6 Letter Boy Names

Casidy as a masculine name represents a gender crossover from what was traditionally more common as a feminine name. It derives from the Irish surname Cassidy, which comes from the Gaelic "Ó Caiside" meaning "descendent of Caiside." The name has a modern, approachable quality while maintaining Irish heritage connections. Unlike the more common spelling Cassidy, this variant with a single 's' creates a subtle distinction. Though less frequently used for boys than girls, Casidy fits well with contemporary trends of surname-inspired first names and the increasing fluidity of gendered naming conventions. The name carries connotations of Irish culture and history while offering a friendly, accessible sound that works well in modern contexts.

Casidy

Kasidy is a modern masculine name with American origins that gained some recognition following its use for a female character in the TV series 'Star Trek: Deep Space Nine.' Despite this feminine fictional association, it has been used for boys in recent years. The name has a contemporary sound similar to popular names like Cody, Brady, and Grady. Kasidy likely emerged as a variation of Cassidy, which was originally an Irish surname derived from 'Ó Caiside,' meaning 'descendant of Caiside.' The spelling with a 'K' gives it a distinctive, modern edge. The name carries a friendly, approachable quality with its soft sounds and trendy 'y' ending, appealing to parents looking for something recognizable yet not overly common.

Kasidy

Casius is a masculine name with ancient Roman connections, likely derived from Latin roots. It may be related to the more common Cassius, which comes from an old Roman family name of uncertain meaning, though some sources suggest connections to 'hollow' or 'empty.' Casius could also connect to Mons Casius, the Latin name for several mountains in the ancient Mediterranean world. The name has a strong, classical sound that evokes images of Roman strength and dignity. While rare in modern usage, Casius offers an intriguing alternative to more popular classical names like Cassius or Marcus. Its distinctive spelling gives it a slightly softer pronunciation while maintaining its masculine essence. Parents drawn to ancient history and looking for a name with historical depth but modern usability might find Casius particularly appealing. The name remains uncommon on birth registries throughout Western countries.

Casius

Kastor is a masculine name with ancient Greek origins, being a variant spelling of Castor. In Greek mythology, Castor was one of the twin Dioscuri, the son of Zeus and Leda and brother to Pollux. The name is also associated with the brightest star in the Gemini constellation. Historically, the name may relate to the Greek word 'kekasmai' meaning 'to excel' or 'to shine.' While uncommon in modern usage, Kastor offers strong mythological connections and a powerful sound. The alternative spelling with 'K' gives the name a distinctive, slightly Nordic or Eastern European feel while maintaining its classical roots. Parents drawn to mythology and celestial names may find Kastor particularly appealing.

Kastor

Caster is a masculine name with occupational origins, historically referring to someone who cast metal or created objects in molds. The name has Germanic and English roots, derived from the word "cast." It carries a strong, artisanal quality, evoking images of craftsmanship and skilled labor. Caster remains quite uncommon as a first name, rarely appearing on popularity charts in the United States or elsewhere. The name has a distinctive sound with its hard 'c' beginning and the professional connotation it carries. Parents might choose this name for its unique quality, its connection to traditional crafts, and its masculine energy. It also benefits from being easily pronounced and spelled while remaining distinctive.

Caster

Caedyn is a modern variation of the Celtic name Caden, which derives from elements meaning 'spirit of battle' or 'fighter.' This masculine name blends traditional Celtic roots with a contemporary spelling, making it increasingly popular among parents seeking a name with historical depth and modern appeal. In recent decades, Caedyn has gained traction particularly in English-speaking countries, offering a distinctive alternative to more common names. The unique 'y' spelling gives the name a distinctive touch while maintaining its melodic pronunciation. Though still relatively uncommon, Caedyn continues to rise in popularity as parents seek names that balance tradition with uniqueness.

Caedyn

Caedin is a masculine name representing a modern variant spelling of Caden or Kadin, names that emerged in popularity during the late 20th century. The origin is debated; it may derive from an Anglicized form of the Gaelic surname Mac Cadáin, or possibly from Welsh elements meaning 'battle' or 'spirit.' The distinctive 'ae' spelling gives this version a more unique appearance while maintaining the familiar pronunciation (KAY-din). Caedin follows the trend of names with alternative spellings that create distinctiveness while preserving recognizable sounds. The name has remained moderately uncommon, appealing to parents seeking something familiar yet distinctive. Caedin's modern feel combined with potential Celtic connections offers both contemporary style and subtle historical depth.

Caedin

Siseal is an uncommon masculine name with obscure origins. It may be a variant spelling of Cecil (from the Roman name Caecilius meaning 'blind') or a modern invention combining elements of other names. The name has a soft, gentle sound with its sibilant consonants. Siseal remains extremely rare in most naming databases and has no established historical tradition in major Western cultures. This rarity gives the name a distinctive quality that might appeal to parents seeking something truly unique. The pronunciation may vary depending on regional accents, potentially as 'SIS-eal', 'sih-SEAL', or 'SEE-seal'. As with many rare names, its meaning and associations will largely be shaped by the individual who bears it.

Siseal

Cecill represents an uncommon variant spelling of Cecil, a masculine name derived from the Roman clan name Caecilius, which is connected to the Latin word "caecus" meaning "blind." This name carries aristocratic associations, particularly in English heritage, popularized by notable figures like Sir William Cecil, advisor to Queen Elizabeth I. The unusual double 'l' spelling gives the traditional name a distinctive appearance while maintaining its classic pronunciation. Though Cecil has declined in popularity since its peak in the early 20th century, this variant might appeal to parents seeking names with historical dignity and uncommon spelling. The name conveys an impression of refinement and old-world charm, with literary and historical connections that lend it gravitas and cultural significance.

Cecill

Cedrec is a masculine name that appears to be a variant spelling of Cedric. The traditional name Cedric was actually created by Sir Walter Scott for his novel 'Ivanhoe' in 1819, possibly based on the Saxon name Cerdic. The name has associations with kindness and gentleness despite its invented origins. Cedrec offers a unique spelling variation that maintains the strong, historic feel of the original while adding distinction. The name suggests qualities of leadership and nobility, partly due to its literary connections. Though uncommon in this spelling form, it provides a distinguished alternative for parents seeking a name with medieval or literary undertones.

Cedrec

Sedrik is a variant spelling of Cedric, a name created by Sir Walter Scott for a character in his 1820 novel Ivanhoe. Scott derived it from the Saxon name Cerdic, a 6th-century king. 

The spelling with 'S' gives the name a slightly more modern and distinctive feel. Sedrik conveys strength and nobility, carrying the historical weight of its origins. While not among the most common names, it offers parents a strong masculine option with historical resonance but contemporary appeal. The name has seen modest usage across English-speaking countries, appealing to parents seeking a name with character that isn't overused.

Sedrik

Celín is a masculine name with Spanish origins, likely a diminutive form of names like Marcelo or Celestino. The accent on the 'í' indicates Spanish pronunciation and gives the name its distinctive sound emphasis. This name carries a warm, affectionate quality typical of diminutive forms in Spanish naming traditions. While not widely used internationally, Celín would be recognized in Spanish-speaking communities. The name has a gentle, melodic quality that combines traditional roots with a softer sound than many masculine Spanish names. Its relative rarity gives bearers a distinctive identity while still connecting to established naming traditions. The diminutive form suggests youthfulness and charm.

Celín

Ceasar

Chalil

Hallil is a masculine name of Turkish origin, derived from the Arabic name Khalil, meaning 'friend' or 'beloved.' The name carries connotations of loyalty, friendship, and trustworthiness. While not widely used in Western countries, Hallil remains a distinctive choice that reflects cultural heritage for families with Turkish or Middle Eastern roots. Its pronunciation (hah-LEEL) gives it a melodic quality, while its meaning offers a positive character trait to aspire to. The name has remained relatively uncommon in global naming trends, making it a unique choice for parents seeking a name with both cultural significance and distinctiveness.

Hallil

Beautiful meaning for parents fond of nature-themed names that are a little less obvious. Actor Chaney Kley was one famous bearer of this surname-name.

Chaney

Cheyne is a distinctive masculine name with Scottish origins, derived from a surname that referred to the oak forest of Cheyne in Normandy, France. Pronounced typically as 'shane' or sometimes 'chane,' it shares phonetic similarities with more common names like Shane or Shayne. The unusual spelling gives this name a sophisticated, aristocratic quality while maintaining strong masculine energy. Historically, the Cheyne family was prominent in Scotland, lending the name a heritage appeal. While relatively rare as a first name, Cheyne has maintained steady, if minimal, usage since the late 20th century. Parents might choose this name for its Scottish connections, its distinctive spelling, or its balance of uniqueness and pronounceability.

Cheyne

Strong, solid surname name. For many this name will be inextricably linked with former Vice President Dick Cheney - a hinderance or a virtue, depending on your political leanings. 

Cheney

Channe is a masculine name with unclear origins, possibly a variant spelling of Chan, Shane, or Channing. It may have roots in Celtic traditions where Chan means "young wolf" or "little warrior," or could be related to the French word "chêne" meaning "oak tree," symbolizing strength and endurance. The unusual spelling gives this short name a distinctive appearance while maintaining a simple pronunciation. Channe remains exceedingly rare as a given name in most countries and cultures. Its uniqueness may appeal to parents seeking an uncommon name that still feels somewhat familiar phonetically. The name has a modern, minimalist quality with its concise structure and soft ending.

Channe

Chapin

Six letter names for boys are led by some 

: Oliver, Elijah, Daniel, Samuel, and Joseph.

. Boy names with six letters make up a full third of the Top 1000.

 to be explored too. Our favorites include Booker, Harbor, and Laszlo.



Here, the full list of Nameberry's six letter names for boys, ordered by their current popularity among our visitors.

Six Letter Boy Names with meanings, origins, and popularity, including top six letter male names and unique boy names with 6 letters. (Page 476)