The baby name Kiefer appears in baby name data for the United States from 1989 to 2008. It was most popular in 1991 with 169 babies given the name.
In the later years of this period, Kiefer has become less common than it once was.
| Year | Count |
|---|---|
| 1989 | 28 |
| 1990 | 81 |
| 1991 | 169 |
| 1992 | 61 |
| 1993 | 36 |
| 1994 | 17 |
| 1995 | 19 |
| 1996 | 21 |
| 1997 | 13 |
| 1998 | 12 |
| 2002 | 5 |
| 2003 | 5 |
| 2004 | 10 |
| 2005 | 10 |
| 2006 | 36 |
| 2008 | 7 |