Colin is a moderately popular boys' name in United States, ranking #269 in 2021 with 1,288 recorded births. The name reached its all-time peak in 2004 with 5,122 births ranking #85. Since 1996, the popularity has decreased by 56.4%. In 2021, approximately 1 in every 1,357 boys born was named Colin. FALLING Recent data shows the name is currently falling.