Brenan is a rare variant of Brennan that peaked in 2009 and has since faded.
Brenan is a boy name. It last appears in U.S. records in 2021. Brenan was first reported in SSA data in 1972 and peaked in 2009 (42 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2021 | 7 | 7 | #9,869 |
| 2020 | 5 | 5 | #12,300 |
| 2019 | 8 | 8 | #9,019 |
| 2018 | 9 | 9 | #8,256 |
| 2017 | 6 | 6 | #10,972 |
| 2016 | 7 | 7 | #9,816 |
| 2015 | 12 | 12 | #6,728 |
| 2014 | 10 | 10 | #7,625 |
| 2013 | 12 | 12 | #6,656 |
| 2012 | 11 | 11 | #7,129 |
| 2011 | 34 | 34 | #3,245 |
| 2010 | 24 | 24 | #4,118 |
| 2009 | 42 | 42 | #2,850 |
| 2008 | 25 | 25 | #4,051 |
| 2007 | 30 | 30 | #3,521 |
| 2006 | 32 | 32 | #3,313 |
| 2005 | 21 | 21 | #4,212 |
| 2004 | 19 | 19 | #4,443 |
| 2003 | 32 | 32 | #2,999 |
| 2002 | 28 | 28 | #3,194 |
| 2001 | 30 | 30 | #2,996 |
| 2000 | 37 | 37 | #2,533 |
| 1999 | 31 | 31 | #2,729 |
| 1998 | 28 | 28 | #2,863 |
| 1997 | 35 | — | #2,352 |
| 1996 | 36 | — | #2,258 |
| 1995 | 22 | — | #3,108 |
| 1994 | 26 | — | #2,776 |
| 1993 | 23 | — | #2,952 |
| 1992 | 19 | — | #3,348 |
| 1991 | 20 | — | #3,120 |
| 1990 | 17 | — | #3,482 |
| 1989 | 13 | — | #4,042 |
| 1988 | 18 | — | #2,979 |
| 1987 | 17 | — | #2,960 |
| 1986 | 15 | — | #3,148 |
| 1985 | 7 | — | #5,208 |
| 1984 | 12 | — | #3,488 |
| 1983 | 8 | — | #4,557 |
| 1982 | 7 | — | #5,084 |
| 1979 | 9 | — | #4,111 |
| 1978 | 6 | — | #5,136 |
| 1977 | 7 | — | #4,643 |
| 1976 | 5 | — | #5,699 |
| 1975 | 5 | — | #5,568 |
| 1972 | 6 | — | #4,499 |