What does Colin mean?
Colin has two established histories. In Scotland, it is an English-language form of Gaelic Cailean, meaning “whelp” or “young dog.” Another Colin developed in medieval usage from Col, a familiar form of Nicholas, whose Greek elements mean “victory of the people.”
The two histories meet in the same modern spelling. Actor Colin Firth and Colin Craven in The Secret Garden give the name familiar connections with film and children's literature.
Colin in Scottish history
Scottish Cailean comes from a Gaelic word for a young dog. An important medieval bearer was Cailean Mór, a thirteenth-century lord associated with the ancestry of Clan Campbell.
Colin became the English-language form of Cailean, carrying this Scottish personal name into wider use. The animal meaning belongs to that Gaelic history, while the spelling Colin reflects its adaptation into English.
This Scottish route is separate from the medieval familiar form of Nicholas. Both contribute to the modern name's history, so its meaning can depend on the tradition in which it was chosen.
The Nicholas connection
In the other naming tradition, Colin developed by adding a familiar ending to Col. Col itself was a shortened form of Nicholas.
Nicholas comes from Greek Nikolaos, formed from nike, “victory,” and laos, “people.” Through that relationship, Colin shares an older origin with names such as Nicolas, Nico, and Nicholas itself.
Colin is now an independent first name rather than necessarily a nickname for Nicholas. Collin is a closely related spelling within this naming family.
Colin Craven in The Secret Garden
Colin Craven appears in Frances Hodgson Burnett's The Secret Garden, published in 1911. He is Mary Lennox's cousin, living in seclusion at Misselthwaite Manor in Yorkshire.
Mary's discovery of the hidden garden draws Colin into a friendship with her and Dickon. Their time outside and their work in the garden accompany a change in Colin's health and confidence.
His story forms one of the novel's central transformations. It gives Colin an enduring literary association with childhood friendship, a neglected garden, and the gradual opening up of an isolated household.
Colin Firth on screen
Colin Firth won the leading-actor Academy Award at the 2011 ceremony for The King's Speech. He portrays King George VI, whose difficulty speaking in public brings him into a working relationship with an Australian speech therapist.
Directed by Tom Hooper, the film connects personal struggle with the demands of public duty. Firth's performance gives Colin a prominent association with a widely recognized historical drama.
Pronunciation and American popularity
Colin is pronounced KOL-in or KOH-lin in English, with stress on the first syllable. Both pronunciations are established.
In the United States, Colin reached its highest boys' count and best rank in 2004: 5,122 babies and No. 85. It ranked No. 172 in 2015 and No. 343 in 2025.
Sources & methodologyReferences, data & attribution
Meaning and history draw on the references below. American popularity figures use published Social Security Administration records for this exact spelling; counts below five for a name, sex, and year are omitted.
- Wiktionary: Colin (English)
- Wiktionary: Colin (French)
- Wiktionary: Coll
- U.S. Social Security Administration: national name data and limitations
- Wikidata: Colin Powell
- Wikidata: Colin Firth
- Wikidata: Colin Farrell
- Wikidata: Colin MacLaurin
- Wikidata: Colin McRae
- Wikidata: Colin Hanks
- Wikidata: Colin Morgan
- Frances Hodgson Burnett: The Secret Garden
- Library of Congress: The Secret Garden, 1911
- Academy: 2011 ceremony
- BFI: The Kings Speech
Wiktionary material is available under CC BY-SA 4.0.
How popular is Colin?
In 2025, Colin ranked #343 among boys in the United States, with 950 recorded uses. The U.S. birth records first list this spelling for boys in 1880; its largest annual count was 5,122 in 2004. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.