Brennan in Illinois
Babies in Illinois
1,319
since 1966
Rank in Illinois · 2025
—
recorded as girls
#805
recorded as boys
Peak year in Illinois
2009
Babies per 1,000 (same sex) in Illinois, 1910–2025
Recorded as girls
Recorded as boys
US overall
Yearly share of babies named Brennan in Illinois from 1910 to 2025, compared with the national share (dashed line).
Show every year
| Year | Girls | Rank | Boys | Rank |
|---|---|---|---|---|
| 2025 | <5 | — | 10 | 805 |
| 2024 | <5 | — | 6 | 1,157 |
| 2023 | <5 | — | 5 | 1,285 |
| 2022 | <5 | — | 13 | 668 |
| 2021 | <5 | — | 16 | 586 |
| 2020 | <5 | — | 6 | 1,161 |
| 2019 | <5 | — | 13 | 677 |
| 2018 | <5 | — | 14 | 669 |
| 2017 | <5 | — | 20 | 527 |
| 2016 | <5 | — | 14 | 677 |
| 2015 | <5 | — | 26 | 450 |
| 2014 | <5 | — | 23 | 469 |
| 2013 | <5 | — | 37 | 341 |
| 2012 | <5 | — | 47 | 287 |
| 2011 | <5 | — | 40 | 315 |
| 2010 | <5 | — | 50 | 265 |
| 2009 | <5 | — | 58 | 242 |
| 2008 | <5 | — | 46 | 292 |
| 2007 | <5 | — | 45 | 306 |
| 2006 | <5 | — | 42 | 317 |
| 2005 | <5 | — | 46 | 292 |
| 2004 | <5 | — | 33 | 367 |
| 2003 | <5 | — | 52 | 267 |
| 2002 | <5 | — | 36 | 341 |
| 2001 | <5 | — | 49 | 272 |
| 2000 | <5 | — | 44 | 293 |
| 1999 | <5 | — | 45 | 293 |
| 1998 | <5 | — | 39 | 313 |
| 1997 | <5 | — | 38 | 309 |
| 1996 | <5 | — | 30 | 367 |
| 1995 | <5 | — | 43 | 292 |
| 1994 | 5 | 1,468 | 35 | 331 |
| 1993 | <5 | — | 26 | 414 |
| 1992 | <5 | — | 28 | 387 |
| 1991 | <5 | — | 33 | 338 |
| 1990 | <5 | — | 42 | 283 |
| 1989 | <5 | — | 21 | 435 |
| 1988 | <5 | — | 22 | 389 |
| 1987 | <5 | — | 27 | 343 |
| 1986 | <5 | — | 16 | 451 |
| 1985 | <5 | — | 15 | 466 |
| 1984 | <5 | — | 7 | 697 |
| 1983 | <5 | — | 9 | 628 |
| 1982 | <5 | — | 11 | 539 |
| 1981 | <5 | — | 8 | 676 |
| 1980 | <5 | — | <5 | — |
| 1979 | <5 | — | 5 | 897 |
| 1978 | <5 | — | 6 | 765 |
| 1977 | <5 | — | <5 | — |
| 1976 | <5 | — | 5 | 862 |
| 1975 | <5 | — | 7 | 690 |
| 1974 | <5 | — | <5 | — |
| 1973 | <5 | — | <5 | — |
| 1972 | <5 | — | <5 | — |
| 1971 | <5 | — | <5 | — |
| 1970 | <5 | — | <5 | — |
| 1969 | <5 | — | <5 | — |
| 1968 | <5 | — | <5 | — |
| 1967 | <5 | — | <5 | — |
| 1966 | <5 | — | 5 | 717 |