Brittain is a rare variant of Brittany that peaked in 1991 and has since faded.
Brittain is predominantly a boy name. It last appears in U.S. records in 2025. Brittain was first reported in SSA data in 1968 and peaked in 1990 (18 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 6 | 6 | #13,498 | — |
| 2022 | 6 | 6 | #13,910 | — |
| 2021 | 6 | 6 | — | #11,001 |
| 2019 | 11 | 11 | #15,971 | #10,990 |
| 2018 | 13 | 13 | #12,724 | #10,983 |
| 2017 | 13 | 13 | #12,959 | #10,980 |
| 2016 | 11 | 11 | #16,705 | #10,946 |
| 2015 | 19 | 19 | #9,051 | #9,714 |
| 2014 | 17 | 17 | #9,076 | #12,362 |
| 2013 | 6 | 6 | #14,947 | — |
| 2012 | 19 | 19 | #11,433 | #7,629 |
| 2011 | 16 | 16 | #9,840 | #12,547 |
| 2010 | 17 | 17 | #10,565 | #9,844 |
| 2009 | 16 | 16 | #15,584 | #7,764 |
| 2008 | 11 | 11 | #18,016 | #11,255 |
| 2007 | 16 | 16 | #11,800 | #9,916 |
| 2006 | 17 | 17 | #11,610 | #8,834 |
| 2005 | 12 | 12 | #13,254 | #11,699 |
| 2004 | 19 | 19 | #12,992 | #6,190 |
| 2003 | 17 | 17 | #12,630 | #6,793 |
| 2002 | 12 | 12 | — | #5,773 |
| 2001 | 18 | 18 | #10,249 | #7,002 |
| 2000 | 16 | 16 | #15,426 | #5,965 |
| 1999 | 6 | 6 | — | #8,839 |
| 1998 | 23 | 23 | #11,312 | #4,227 |
| 1997 | 14 | — | — | #4,479 |
| 1996 | 21 | — | #7,661 | #5,583 |
| 1995 | 15 | — | #11,998 | #5,981 |
| 1994 | 24 | — | #9,698 | #3,929 |
| 1993 | 23 | — | #9,687 | #4,039 |
| 1992 | 19 | — | #8,832 | #5,281 |
| 1991 | 28 | — | #6,648 | #3,833 |
| 1990 | 18 | — | — | #3,325 |
| 1989 | 23 | — | #7,025 | #4,300 |
| 1988 | 22 | — | #6,707 | #4,190 |
| 1987 | 16 | — | #8,090 | #5,030 |
| 1986 | 22 | — | #7,841 | #3,285 |
| 1985 | 14 | — | #9,434 | #4,750 |
| 1984 | 18 | — | #6,877 | #4,251 |
| 1983 | 13 | — | #7,392 | #6,362 |
| 1982 | 14 | — | #9,363 | #4,647 |
| 1981 | 24 | — | #4,365 | #5,014 |
| 1980 | 5 | — | #10,575 | — |
| 1979 | 5 | — | — | #6,167 |
| 1977 | 10 | — | #9,805 | #5,952 |
| 1974 | 9 | — | — | #3,593 |
| 1973 | 5 | — | #8,564 | — |
| 1968 | 7 | — | — | #3,404 |