Thanks to its dashing Anglo-Irish image — due partly to Colins Firth and Farrell — and its C-initialed two-syllable sound, Colin and its cousin Collin have enjoyed a long run of popularity, reaching as high as Number 84 in 2004.

Collins is a surname name that has made the girls' Top 1000 thanks to its use for the daughter of the real-life Blind Side heroine. As of 2019, Collins climbed into the US Top 500. This derivation of the Greek Nicholas—which means "people of victory"—or the Irish and Scottish Colin—which may itself be a Nicholas derivation or an Anglicization of the word for pup—has a stylish feel made more so by that final s.

Collins is a surname name that has made the girls' Top 300 thanks to its use for the daughter of the real-life Blind Side heroine. The Kollins spelling is rising for girls too now, and was used for 131 baby girls in 2022.