Colin
Meaning
two honest roots: a medieval English pet form of Col, short for Nicholas, and the Gaelic Cailean, "whelp, young hound," a great Campbell clan name; either way a soft-spoken classic with centuries of quiet use on both sides of the border
The story
Colin carries two family trees at once. In England it grew up in the Middle Ages as a pet form of Nicholas, while in Scotland it stands for the Gaelic Cailean, traditionally read as young pup, a name borne for centuries by chiefs of Clan Campbell. That double inheritance gave it a settled, gentlemanly sound on both sides of the Atlantic. In America it stayed pleasantly uncommon for generations, climbing only gradually until the 1990s, when the ascent quickened, and it peaked in the 2000s, a stretch when Colin Powell led American diplomacy and Colin Firth was every period drama's leading man; the timing is suggestive, even if no one can prove it. The name has stepped back modestly since, settling into the comfortable middle ground where it has always seemed most at home.
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Colin peaked in the 2000s.
See popularity in Brazil
Popularity in Brazil
81 people · the #47,863 first name in Brazil · median age 28
Source: IBGE, Censo Demográfico 2022
When you meet Colin
Most people given the name Colin in the United States are teenagers or young adults today.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Colin deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Colin truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Colin fits with your family’s names and surname.
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