The baby name Kiley appears in baby name data for the United States from 1970 to 2023. It was most popular in 2008 with 1,306 babies given the name.
In the later years of this period, Kiley has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1970 | 7 |
| 1971 | 10 |
| 1972 | 6 |
| 1973 | 5 |
| 1974 | 5 |
| 1975 | 10 |
| 1977 | 5 |
| 1978 | 315 |
| 1978 | 5 |
| 1979 | 336 |
| 1980 | 210 |
| 1980 | 15 |
| 1981 | 41 |
| 1982 | 130 |
| 1983 | 133 |
| 1984 | 152 |
| 1985 | 178 |
| 1985 | 10 |
| 1986 | 151 |
| 1987 | 228 |
| 1988 | 272 |
| 1989 | 312 |
| 1990 | 285 |
| 1991 | 336 |
| 1992 | 292 |
| 1993 | 291 |
| 1994 | 273 |
| 1995 | 304 |
| 1995 | 5 |
| 1996 | 416 |
| 1997 | 452 |
| 1998 | 498 |
| 1999 | 611 |
| 2000 | 631 |
| 2001 | 724 |
| 2002 | 727 |
| 2003 | 1,020 |
| 2004 | 1,108 |
| 2005 | 1,109 |
| 2006 | 934 |
| 2007 | 1,117 |
| 2008 | 1,306 |
| 2009 | 986 |
| 2010 | 875 |
| 2011 | 835 |
| 2012 | 739 |
| 2013 | 616 |
| 2014 | 479 |
| 2015 | 323 |
| 2016 | 190 |
| 2017 | 137 |
| 2018 | 77 |
| 2019 | 56 |
| 2020 | 74 |
| 2021 | 43 |
| 2022 | 38 |
| 2023 | 10 |