Colyn is a rare variant of Colin that peaked in 2001 and has since faded.
Colyn is predominantly a boy name. It last appears in U.S. records in 2021. Colyn first appears in 1945 and peaked in 2001 (44 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2021 | 5 | 5 | — | #12,498 |
| 2020 | 6 | 6 | — | #10,872 |
| 2018 | 7 | 7 | — | #9,877 |
| 2017 | 5 | 5 | — | #12,661 |
| 2016 | 7 | 7 | — | #9,864 |
| 2015 | 21 | 21 | — | #4,574 |
| 2014 | 11 | 11 | — | #7,157 |
| 2013 | 8 | 8 | — | #8,949 |
| 2012 | 11 | 11 | — | #7,157 |
| 2011 | 14 | 14 | — | #5,999 |
| 2010 | 17 | 17 | — | #5,289 |
| 2009 | 22 | 22 | — | #4,457 |
| 2008 | 26 | 26 | — | #3,947 |
| 2007 | 30 | 30 | — | #3,523 |
| 2006 | 31 | 31 | — | #3,398 |
| 2005 | 34 | 34 | — | #3,030 |
| 2004 | 43 | 43 | — | #2,535 |
| 2003 | 43 | 43 | — | #2,438 |
| 2002 | 36 | 36 | — | #2,648 |
| 2001 | 44 | 44 | — | #2,283 |
| 2000 | 32 | 32 | — | #2,817 |
| 1999 | 35 | 35 | — | #2,514 |
| 1998 | 31 | 31 | — | #2,662 |
| 1997 | 29 | — | — | #2,687 |
| 1996 | 34 | — | — | #2,338 |
| 1995 | 21 | — | #13,885 | #3,890 |
| 1994 | 33 | — | — | #2,356 |
| 1993 | 17 | — | — | #3,683 |
| 1992 | 11 | — | — | #4,932 |
| 1989 | 9 | — | — | #5,242 |
| 1988 | 5 | — | — | #7,488 |
| 1987 | 6 | — | — | #6,244 |
| 1986 | 5 | — | — | #6,921 |
| 1985 | 7 | — | — | #5,253 |
| 1982 | 5 | — | #10,818 | — |
| 1979 | 5 | — | — | #6,215 |
| 1945 | 5 | — | — | #3,405 |