Kristain is a rare variant of Kristen that was most common in the 1990s and has all but disappeared.
Kristain is predominantly a girl name. It last appears in U.S. records in 2014. Kristain first appears in 1973 and peaked in 1989 (18 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2014 | 5 | 5 | — | #13,197 |
| 2009 | 5 | 5 | — | #13,610 |
| 2002 | 6 | 6 | #14,588 | — |
| 1999 | 7 | 7 | #12,068 | — |
| 1998 | 15 | 15 | #13,326 | #6,604 |
| 1997 | 5 | — | #14,989 | — |
| 1996 | 13 | — | #11,214 | #8,535 |
| 1995 | 20 | — | #10,074 | #4,980 |
| 1994 | 15 | — | #9,237 | #8,337 |
| 1993 | 18 | — | #6,852 | #9,540 |
| 1992 | 18 | — | #5,383 | — |
| 1991 | 19 | — | #7,188 | #6,953 |
| 1990 | 23 | — | #5,407 | #7,690 |
| 1989 | 18 | — | #4,950 | — |
| 1988 | 9 | — | #8,053 | — |
| 1987 | 14 | — | #5,447 | — |
| 1986 | 13 | — | #5,606 | — |
| 1985 | 20 | — | #4,972 | #7,115 |
| 1984 | 10 | — | #6,536 | — |
| 1983 | 6 | — | #9,604 | — |
| 1982 | 8 | — | #7,828 | — |
| 1981 | 13 | — | #5,423 | — |
| 1980 | 12 | — | #5,712 | — |
| 1977 | 5 | — | #10,412 | — |
| 1973 | 6 | — | #7,900 | — |