The baby name Katelin appears in baby name data for the United States from 1981 to 2013. It was most popular in 1991 with 514 babies given the name.
In the later years of this period, Katelin has become less common than it once was.
| Year | Count |
|---|---|
| 1981 | 7 |
| 1983 | 16 |
| 1984 | 58 |
| 1985 | 120 |
| 1986 | 155 |
| 1987 | 251 |
| 1988 | 433 |
| 1989 | 449 |
| 1990 | 422 |
| 1991 | 514 |
| 1992 | 406 |
| 1993 | 494 |
| 1994 | 437 |
| 1995 | 471 |
| 1996 | 481 |
| 1997 | 471 |
| 1998 | 473 |
| 1999 | 411 |
| 2000 | 392 |
| 2001 | 349 |
| 2002 | 262 |
| 2003 | 228 |
| 2004 | 329 |
| 2005 | 243 |
| 2006 | 254 |
| 2007 | 178 |
| 2008 | 113 |
| 2009 | 74 |
| 2010 | 38 |
| 2011 | 41 |
| 2012 | 14 |
| 2013 | 20 |