Kain is an uncommon variant of Kane that peaked in 2016 and has grown less common since.
Kain is a boy name. In 2025 it ranked #1,738 for boy births in the United States (and #3,706 across all names), given to 94 babies. Kain first appears in 1973 and peaked in 2016 (180 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 94 | 94 | #1,738 |
| 2024 | 110 | 110 | #1,576 |
| 2023 | 104 | 104 | #1,656 |
| 2022 | 102 | 102 | #1,687 |
| 2021 | 141 | 141 | #1,321 |
| 2020 | 107 | 107 | #1,547 |
| 2019 | 127 | 127 | #1,398 |
| 2018 | 143 | 143 | #1,286 |
| 2017 | 168 | 168 | #1,136 |
| 2016 | 180 | 180 | #1,093 |
| 2015 | 124 | 124 | #1,391 |
| 2014 | 152 | 152 | #1,211 |
| 2013 | 136 | 136 | #1,281 |
| 2012 | 136 | 136 | #1,289 |
| 2011 | 127 | 127 | #1,337 |
| 2010 | 124 | 124 | #1,368 |
| 2009 | 109 | 109 | #1,525 |
| 2008 | 113 | 113 | #1,458 |
| 2007 | 103 | 103 | #1,532 |
| 2006 | 91 | 91 | #1,599 |
| 2005 | 91 | 91 | #1,549 |
| 2004 | 71 | 71 | #1,771 |
| 2003 | 108 | 108 | #1,301 |
| 2002 | 98 | 98 | #1,351 |
| 2001 | 96 | 96 | #1,346 |
| 2000 | 105 | 105 | #1,255 |
| 1999 | 99 | 99 | #1,257 |
| 1998 | 96 | 96 | #1,266 |
| 1997 | 82 | — | #1,358 |
| 1996 | 84 | — | #1,307 |
| 1995 | 64 | — | #1,501 |
| 1994 | 51 | — | #1,744 |
| 1993 | 37 | — | #2,148 |
| 1992 | 21 | — | #3,161 |
| 1991 | 14 | — | #4,125 |
| 1990 | 12 | — | #4,547 |
| 1989 | 10 | — | #5,001 |
| 1988 | 12 | — | #4,046 |
| 1987 | 10 | — | #4,416 |
| 1986 | 9 | — | #4,660 |
| 1985 | 10 | — | #4,203 |
| 1984 | 6 | — | #5,971 |
| 1983 | 11 | — | #3,751 |
| 1982 | 9 | — | #4,409 |
| 1981 | 5 | — | #6,778 |
| 1980 | 5 | — | #6,751 |
| 1979 | 8 | — | #4,625 |
| 1978 | 8 | — | #4,353 |
| 1976 | 5 | — | #6,029 |
| 1974 | 13 | — | #2,874 |
| 1973 | 9 | — | #3,575 |