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1770+ Boy Names Ending in O

  1. Rodolfo

    • Origin:

      Spanish

    • Meaning:

      "bold wolf"

    • Description:

      Romanticizes Rudolph and distances the name from the red-nosed reindeer. After remaining steadily in the US Top 500 for much of the twentieth century, Rodolfo has been slipping of late.
  2. Piero

    • Origin:

      Italian, variation of Peter

    • Meaning:

      "rock"

    • Description:

      Piero is elegant, melodic, appealing. Just picture the muted frescoes of Renaissance artist Piero della Francesca.
  3. Toro

    • Description:

      Toro is a masculine name with multicultural roots and meanings. In Japanese, 'toro' can relate to terms meaning 'to melt' or refer to prime cuts of tuna. In Spanish and Italian, it means 'bull,' symbolizing strength and courage. The name also appears in Finnish tradition with different etymological roots. Toro's powerful simplicity makes it distinctive in Western naming contexts while being recognizable across several cultures. The bull association gives it connotations of determination, power, and masculinity in Latin traditions. This short, impactful name has an international quality that works well across language boundaries. Its bold sound and cross-cultural presence make it appealing for parents seeking a name that combines simplicity with strength.
  4. Jaco

    • Origin:

      Portuguese variation of Jacob

    • Description:

      Intriguing twist on Jacob, but may be too strongly associated with Michael Jackson.
  5. Elvio

    • Origin:

      Italian and Spanish from Latin

    • Meaning:

      "blond, fair"

    • Description:

      Elvio is a barely-ever-used name that might just be a hidden gem. From the Latin family name Elvius, international bearers of the name include several footballers and the Paraguayan poet Elvio Romero. Parents today might see it as an alternative to more better-known Italianate names like Enzo and Elio.
  6. Donato

    • Origin:

      Latin

    • Meaning:

      "given by God"

    • Description:

      Widely used in Italy, Spain, and Portugal, has an air of generosity and could easily be adopted here.
  7. Canto

    • Origin:

      Italian

    • Meaning:

      "song or stanza"

    • Description:

      A canto is a literary term denoting a long passage in a poem. Dante's Divine Comedy is broken into such cantos. As a name, Canto packs in literary credentials with pithy punch.
  8. Tornado

    • Origin:

      Spanish word name

    • Meaning:

      "tornado"

    • Description:

      Tornado is a tempestuous weather name for parents who like to live dangerously. The best-known Tornado is a female tennis player whose sister is named Hurricane, but this wild name is decidedly gender-neutral.
  9. Bianco

    • Origin:

      Italian

    • Meaning:

      "white"

    • Description:

      Although the female version Bianca has long been accepted as a name outside Italy, maybe it's time to consider this boy color name.
  10. Alvario

    • Description:

      Alvario is a masculine name with Spanish and Portuguese origins, likely a variation of Alvaro. Derived from ancient Germanic elements, possibly from 'all' (all) and 'wers' (guardian, protector), giving it the meaning 'universal protector' or 'guardian of all.' The name carries a dignified, melodic quality with its flowing syllables. While not extremely common in English-speaking countries, Alvario has maintained steady usage in Spanish-speaking regions and among Hispanic communities. The name blends traditional roots with a distinctive character, making it recognizable without being overly common. Alvario offers parents seeking a name with Latin flair and historical depth a compelling option that works well internationally while maintaining its cultural heritage.
  11. Hanno

    • Origin:

      Diminutive of Johan, German variation of John

    • Meaning:

      "God is gracious"

    • Description:

      Nicknames ending in o are invariably cute, though this one is a boys' name in its own right. And not just any boy name, but a saint's name no less. Saint Hanno, aka Saint Anno, was an 10th century archbishop of Cologne, He is also known as, less attractively, Hanno of Worms, which is one of the oldest cities in Germany.
  12. Michelangelo

    • Origin:

      Combination of Michael and Angelo

    • Description:

      The ultimate artist's name would make an unforgettable impression. It's the first name of famed Italian director Antonioni.
  13. Zylo

    • Description:

      Zylo is a modern masculine name with a dynamic, futuristic feel. Its origins aren't tied to traditional naming conventions, making it a contemporary creation that appeals to parents seeking distinctive options. The name may draw inspiration from technology, science fiction, or constructed languages. With its strong 'z' beginning and clear ending, Zylo has a bold, memorable sound pattern. The name has gained minimal usage in the 21st century, primarily in North America among parents desiring unique choices. It fits current trends favoring short, energetic names with uncommon letter combinations. Zylo suggests qualities of innovation, individuality, and unconventionality. The name's novelty means it carries little historical baggage, allowing bearers to define its meaning through their own personalities.

  14. Thadeo

    • Description:

      Thadeo is a masculine name with ancient roots, representing a Latin variation of the Greek name Thaddeus or Thaddaeus. The original Aramaic name 'Tadday' means 'heart' or 'courageous.' This name appears in Christian tradition as one of Jesus's apostles, also known as Jude in some accounts. The Spanish and Italian variation Thadeo adds a melodic, Mediterranean quality to the name while maintaining its historical significance. Though relatively uncommon in English-speaking countries, it enjoys more popularity in Hispanic and Latin American communities. Thadeo projects strength and character while offering the friendly nickname options of Theo or Tad. The name carries both religious significance and a timeless quality that transcends trends.
  15. Tito

    • Origin:

      Spanish variation of Titus

    • Description:

      Has diverse associations: the long-term Communist head of Yugoslavia, one of Michael Jackson's older brothers, and an animated Disney character -- none of them a very strong recommendation.
  16. Haruo

    • Origin:

      Japanese

    • Meaning:

      "spring-born boy"

    • Description:

      A vintage choice in Japan that is not currently fashionable for babies.
  17. Neko

    • Description:

      Neko is a masculine name with multicultural origins and meanings. In Japanese, "neko" means "cat," symbolizing independence, mystery, and grace in Japanese culture. The name also exists in African traditions, particularly in Nigeria, where it can mean "gift from God" or "time" in certain dialects. This cultural versatility makes Neko appealing to diverse families. While uncommon in Western countries, the name has gained some recognition through Japanese animation and pop culture. Neko's brevity and distinctive sound make it memorable, while its soft consonants create a gentle yet strong impression. For parents seeking a concise, meaningful name that works well internationally and carries positive associations across cultures, Neko offers a compelling choice.
  18. Rosco

    • Description:

      Rosco is a masculine name that represents a variation of Roscoe, which has English origins as a surname derived from Old Norse elements meaning 'deer forest' or 'roe deer wood.' This simplified spelling offers a more phonetic approach to the traditional name. Rosco carries a friendly, approachable quality with a touch of vintage charm, reminiscent of the early to mid-20th century when the name saw modest popularity. While not among the most common names today, Rosco appeals to parents seeking options with a distinctive character and informal warmth. The name's rustic associations give it a connection to nature and the outdoors, adding to its appeal for those drawn to names with earthy qualities.

  19. Pasco

    • Description:

      Pasco is a masculine name with multiple cultural origins. Primarily, it derives from the Latin 'Pascha' meaning 'Easter' or 'Passover,' making it traditionally associated with boys born during the Easter season. It's also a Cornish place name and surname. In Spanish-speaking regions, Pasco can be a variation of Pascal or Pascual, again with Easter connections. The name has maintained steady though uncommon usage throughout history, particularly in Mediterranean countries, Cornwall, and Latin America. With its distinctive two-syllable structure and strong 'o' ending, Pasco offers a masculine sound that's both traditional and uncommon. Its appeal lies in its cross-cultural connections, religious significance, and balance of uniqueness and historical grounding.

  20. Máximo

    • Origin:

      Spanish variation of Maximus, Latin

    • Description:

      With the ubiquitous Max heard at every playground across the US, international versions have been gaining traction in an attempt to provide a fresh avenue to the highly sought nickname. This Spanish iteration has been in the US Top 1000 since the early 2000s and is currently trending upwards. One of many Spanish baby names with international power, Máximo derives from the Roman family name Maximus, giving it the loft meaning "greatest". With Mateo currently on trend, Máximo might provide an alternative option, still familiar, just outside the US Top 500 as opposed to in the Top 10. Given to around 500 boys in 2023, it is also popular in Chile and Mexico.