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1770+ Boy Names Ending in O

  1. Tatsuo

    • Description:

      Tatsuo is a traditional Japanese masculine name composed of two kanji characters. Typically, 'tatsu' (竜) means 'dragon,' symbolizing strength and good fortune, while 'o' (男) means 'man' or 'male.' Alternative kanji combinations can give slightly different meanings, but the name generally connotes qualities of achievement, excellence, and power. Tatsuo has been a moderately popular name in Japan for generations, though usage has decreased in recent decades as modern naming trends have shifted. Outside Japan, the name remains distinctively Japanese and carries cultural significance. For Japanese diaspora families, choosing Tatsuo may represent a connection to heritage while embodying aspirations for strength and accomplishment.

  2. Faustano

    • Description:

      Faustano is a masculine name with Latin roots, likely derived from Faustus, meaning 'lucky' or 'fortunate.' It represents an expanded form of Fausto (the Italian and Spanish version of Faustus), with the addition of the '-ano' suffix that appears in various Romance language names. The name carries associations with good fortune and positive outcomes through its etymological connection to 'favorable' concepts. Faustano remains quite rare internationally, though it may appear occasionally in Italian, Spanish, or Portuguese naming traditions. The name has a melodic, flowing quality with its four syllables and strong vowel sounds. Faustano might appeal to parents seeking a distinctive name with classical roots and positive connotations, particularly those with Mediterranean cultural connections.

  3. Juan francisco

    • Description:

      Juan Francisco is a masculine compound name with Spanish origins, combining two classic names with deep historical roots. Juan derives from the Hebrew name Yochanan, meaning 'God is gracious,' while Francisco comes from the Latin 'Franciscus,' originally meaning 'Frenchman' or 'free man.' This double name is particularly common in Spanish-speaking countries and communities, where compound names are a cultural tradition. The combination honors both Saint John and Saint Francis, reflecting the importance of Catholic heritage in Hispanic culture. Juan Francisco carries a distinguished, traditional quality while offering the practical nickname options of Juan or Paco (a common diminutive of Francisco). The name represents a strong connection to Hispanic heritage and linguistic traditions.
  4. Fresco

    • Origin:

      Italian

    • Meaning:

      "fresh; decorative mural"

    • Description:

      A fresh artistic option with a lively sound.
  5. Giacobo

    • Description:

      Giacobo is a masculine name of Italian origin, representing an uncommon variant of Giacomo, which is the Italian form of James. Ultimately, these names derive from the Hebrew name Ya'akov (Jacob), meaning 'supplanter' or 'holder of the heel.' Giacobo maintains the melodic quality characteristic of Italian names while having a distinctive and somewhat rare form. The name is not widely used outside of Italian-speaking regions and even within Italy, it's considered an archaic or regional variant. Giacobo carries a romantic, old-world charm with its flowing syllables and distinctive ending. For parents seeking an authentic Italian name with classical roots but uncommon usage, Giacobo offers a distinctive choice that connects to widespread naming traditions.
  6. Nardo

    • Origin:

      Spanish, diminutive of Bernardo

    • Description:

      Possible "nerd" temptation for nicknamers makes Nando a preferable choice.
  7. Galieno

    • Description:

      Galieno is a masculine name of Italian or Spanish origin, likely derived from the ancient Roman name Galenus or Galienus. It may be related to the name of the Roman Emperor Gallienus who ruled in the 3rd century CE, or to Galen, the famous Greek physician. The Latin root 'galenus' means 'calm' or 'tranquil,' giving the name a peaceful connotation. Galieno has a melodious, romantic quality typical of Italian names, with its flowing vowels and soft consonants. Though uncommon in contemporary usage, it carries an air of classical refinement and historical significance. For parents drawn to names with Mediterranean flair and ancient historical connections, Galieno offers a distinctive choice that sounds both strong and sophisticated.
  8. Incencio

    • Description:

      Incencio appears to be a rare variant of Inocencio, a masculine name of Spanish and Portuguese origin meaning "innocent." The name derives from Latin roots and has connections to the early Christian saint Innocent. This uncommon spelling variation may represent a regional dialect pronunciation or a creative adaptation. Primarily found in Spanish-speaking communities and among families with Hispanic heritage, Incencio maintains the melodic quality and rhythmic cadence characteristic of Iberian naming traditions. The name carries dignified associations with purity and virtue through its etymological connection to innocence. Its distinctive nature makes it an uncommon choice that stands out while still having traditional roots.
  9. Dolfo

    • Description:

      Dolfo is a masculine name of Italian origin, functioning primarily as a diminutive form of Adolfo or Rodolfo. The name Adolfo derives from the Germanic name Adolf, meaning 'noble wolf,' while Rodolfo means 'famous wolf.' Dolfo carries these wolf-related connotations in a shortened, more approachable form. Most common in Italian-speaking regions, the name has never achieved widespread popularity in English-speaking countries. It has a strong, distinctive sound with its combination of the soft 'D' and ending 'o' that is characteristic of Italian male names. Dolfo projects an image of quiet strength and European sophistication.

  10. Cisqo

    • Description:

      Cisqo is a distinctive masculine name that gained recognition primarily through the American R&B singer Mark Althavean Andrews, who adopted 'Sisqó' as his stage name in the 1990s. The spelling variant 'Cisqo' maintains the unique character while offering a slightly different presentation. The name doesn't have traditional etymological roots but emerged as a contemporary creation. It carries a musical association due to the famous singer known for hits like 'Thong Song' and his work with the group Dru Hill. As a given name, Cisqo remains uncommon, appealing to parents looking for modern, distinctive options with cultural connections to 1990s and 2000s music. The name has a rhythmic quality that makes it memorable, with a contemporary feel that sets it apart from traditional masculine names.

  11. Kwadjo

    • Origin:

      Akan

    • Meaning:

      "born on Monday"

    • Description:

      Common male name in Ghana.
  12. Marcellino

    • Description:

      Marcellino is a masculine name of Italian origin, serving as a diminutive form of Marcello, which itself derives from the Roman name Marcellus, meaning 'young warrior' or 'dedicated to Mars' (the god of war). The suffix '-ino' adds an affectionate or endearing quality in Italian. Marcellino has melodic qualities typical of Italian names, with its flowing syllables and musical cadence. While maintaining the strength associated with its martial roots, the diminutive form adds a touch of gentleness. The name is moderately used in Italy and other Romance language regions but remains uncommon in English-speaking countries. It offers parents a distinctive Italian option with classical roots and a warm, approachable sound.

  13. Giuseppino

    • Description:

      Giuseppino is a charming Italian masculine name that functions as a diminutive form of Giuseppe, the Italian equivalent of Joseph. The suffix '-ino' in Italian conveys endearment and smallness, essentially meaning 'little Giuseppe.' The name carries the rich heritage of its root name, which derives from the Hebrew Yosef, meaning 'God will add.' Traditionally used as an affectionate nickname within Italian families, Giuseppino conveys warmth and familiarity. While less common than Giuseppe, even in Italy, it maintains the melodic quality characteristic of Italian names. Giuseppino would be particularly meaningful for families honoring Italian heritage or a relative named Giuseppe, offering a distinctive variation that preserves cultural connections while adding a touch of uniqueness.
  14. Nazario

    • Description:

      Nazario is a masculine name with deep historical roots, derived from the Latin 'Nazarius,' meaning 'from Nazareth.' The name carries religious significance through its connection to Jesus of Nazareth, making it particularly meaningful in Christian traditions. Nazario has maintained steady usage in Italian, Spanish, and Portuguese-speaking regions, where it honors Saint Nazarius, an early Christian martyr. Though uncommon in English-speaking countries, the name has a dignified sound with its strong consonants and open vowel endings. Nazario offers the friendly nickname options of Naz or Zario. The name conveys a sense of heritage and spiritual connection while remaining distinctive and melodious in pronunciation.

  15. Mazo

    • Description:

      Mazo is a concise masculine name with multiple potential origins. In Spanish, 'mazo' means 'mallet' or 'sledgehammer,' suggesting strength and impact. The name may also have Japanese connections, where it could derive from elements meaning 'truth' or 'sincere.' Additionally, it might represent a shortened form of longer names like Amaziah from Hebrew origins. As a given name, Mazo remains quite rare across most cultures, making it a distinctive choice. Its brevity and strong 'z' sound give it a modern, punchy quality despite potential traditional roots. The name's cross-cultural possibilities make it versatile, potentially appealing to parents seeking something concise yet meaningful. Its rarity means a child named Mazo would likely define the name's associations rather than being defined by existing name stereotypes.
  16. Lionello

    • Description:

      Lionello is a masculine Italian name derived from Leone, the Italian form of Leon, ultimately from the Latin 'leo' meaning 'lion.' This charming diminutive form adds an affectionate quality to the powerful lion imagery. Though uncommon internationally, Lionello has maintained consistent usage in Italy across generations. The name carries connotations of strength, courage, and nobility associated with its leonine roots. In English-speaking countries, Lionello remains quite rare, giving it an exotic, distinctive quality. The name has appeared occasionally in Italian literature and arts, enhancing its cultural resonance. Its melodic four-syllable structure with the characteristic Italian '-ello' ending gives it a rhythmic, musical quality.
  17. Emelinho

    • Description:

      Emelinho is a masculine name that appears to be a creative diminutive form inspired by Portuguese or Brazilian naming conventions. It likely derives from names like Emilio or Emanuel, with the Portuguese diminutive suffix "-inho" (meaning "little") added for affection. Emilio comes from the Roman family name Aemilius, meaning "rival" or "emulating," while Emanuel means "God is with us" in Hebrew. Emelinho is extremely rare as a formal given name, making it a highly distinctive choice. The name carries a playful, warm quality with its diminutive ending and may appeal to parents with Portuguese or Brazilian heritage or those seeking a unique name with Latin flair and built-in nickname potential.

  18. Octovio

    • Description:

      Octovio appears to be a variant spelling of Octavio, a masculine name with Latin roots. Derived from the Roman family name Octavius, which comes from the Latin 'octavus' meaning 'eighth,' it historically referred to the eighth child born to a family. The name carries classical associations through its connection to Octavian (later Emperor Augustus) in Roman history. This particular spelling with a 'v' instead of a second 'a' is quite uncommon. While Octavio is moderately popular in Spanish-speaking countries, honoring the rich tradition of Roman-influenced naming patterns, the Octovio variation remains rare. The name conveys a sense of classical dignity and historical weight.
  19. Aarão

    • Description:

      Aarão is the Portuguese form of Aaron, a name with ancient Hebrew origins. In Hebrew, Aaron (or Aharon) was the brother of Moses and the first High Priest of the Israelites, making it a name with significant biblical heritage. The meaning is somewhat debated, with interpretations including 'mountain of strength,' 'exalted,' or 'enlightened.' The Portuguese spelling Aarão maintains the name's essence while adapting it to Portuguese phonology and orthography, including the distinctive tilde over the final 'a.' This name is primarily used in Portuguese-speaking countries like Brazil and Portugal. Aarão carries the gravitas of its biblical associations while connecting to Portuguese linguistic heritage. Though less known internationally than the Aaron spelling, Aarão provides cultural specificity and honors Portuguese naming traditions while maintaining its ancient spiritual connections.
  20. Inocenzo

    • Description:

      Inocenzo is a masculine name of Latin origin, derived from 'innocens' meaning 'innocent' or 'harmless.' It is the Italian variation of Innocent, a name with significant historical connections to religious figures, most notably the thirteen popes who bore the name Innocent. The name conveys qualities of purity, virtue, and moral integrity. While not widely used in English-speaking countries, Inocenzo maintains modest popularity in Italy and Spanish-speaking regions (where it's often spelled Inocencio). The name carries a dignified, classical sound with its melodic Italian pronunciation. For parents seeking a name with strong ethical connotations and Latin roots, Inocenzo offers a distinctive option that combines historical depth with virtuous meaning.