Brennan Boy

Popularity: #714 · Trend: ↘ Falling

Name Meaning & Origin Pronunciation: BREN-uhn //ˈbrɛnən//

Origin: Irish; Gaelic

Meaning: Irish: descendent of Braonán; Gaelic: 'sorrow' or 'sadness'

Historical & Cultural Background

The name Brennan has its roots in the Irish language, derived from the Gaelic surname "O Braonain," which means "descendant of Braonán." The name Braonán itself is believed to be derived from the word "braon," meaning "sorrow" or "sadness," indicating a possible connection to a historical or mythical figure associated with these themes. The transition of the name into English occurred through the anglicization of Irish surnames during the 17th and 18th centuries, a period marked by significant cultural and political changes in Ireland, leading to the adoption of more recognizable forms in English-speaking contexts.

Historically, the Brennan surname is associated with various notable figures in Irish history, particularly in the medieval period. The O'Brennan family was prominent in County Kerry, where they were known as a Gaelic noble family.

The name gained further recognition through its association with various saints and ecclesiastical figures, contributing to its enduring presence in Irish culture. The name Brennan also appears in early Irish literature, including the Annals of the Four Masters, which document significant events in Irish history from the 5th to the 17th centuries.

Culturally, the name Brennan carries connotations of heritage and identity, particularly within Irish communities. It is often associated with themes of loyalty and kinship, reflective of the clan-based society of ancient Ireland.

The name has also been embraced in various forms of artistic expression, including literature and music, which celebrate Irish heritage. A diminutive form, "Bren," has emerged in some contexts, further illustrating the name's adaptability and resonance across generations.

Overall, Brennan encapsulates a rich tapestry of linguistic, historical, and cultural significance that underscores its place in both Irish and English-speaking traditions.

Famous people named Brennan

In this section, you will find notable people named Brennan. We include individuals across a wide range of fields, including actors known for their work in film, television, and stage productions. You'll also find musicians, directors, and other public figures named Brennan who have made a significant impact on popular culture.

We also feature individuals named Brennan who have made meaningful contributions to science, politics, athletics, literature, and other areas of public interest.

Please note that not every baby name in our database currently has a famous namesake listed. If you would like to suggest a name we may have missed or submit a correction, feel free to contact us. We review and finalize additions and corrections within 24 hours.

Brennan Lee Mulligan is a game designer and writer best known for Dimension 20, CollegeHumor, and Dungeons & Dragons content.

Brennan Brown is an actor best known for The Good Wife, The Blacklist, and The Last Ship.

Brennan Elliott is an actor best known for UnREAL, The 9th Life of Louis Drax, and All My Children.

Fictional characters named Brennan

The following list of fictional characters named Brennan is a work in progress. If you would like to suggest an additional character, please send us the character's name along with a brief, one-sentence description of what they are best known for.

You may also submit corrections, which we will review and update as quickly as possible.

Brennan is a fictional character from the TV series Bones. He is a forensic anthropologist who works with the FBI to solve crimes using human remains.

Sibling suggestions

If you're looking for sibling name ideas that pair well with Brennan, the following options are frequently chosen as complementary choices by parents.

BradyBrodyBrockBryceBlakeBlaine

Similar names

Based on our extensive baby names database, several names share stylistic or phonetic similarities with Brennan. These names can serve as alternatives to the sibling suggestions listed above and may help you find the perfect complementary name for your growing family.

BrendanBraydenBrentBennettBrockBlaineBodhiBryson

U.S. Historical Usage

The name Brennan was first seen in the United States in 1916.

Brennan has ranked as high as #445 nationally, which occurred in 2009, and has been most popular in California, Texas, Louisiana, Ohio, and Michigan.

In the past 5 years the name Brennan has been trending down compared to the previous 5 years.

Popularity Over Time (National)

The name Brennan is part of our comprehensive baby names database, which includes Social Security Administration (SSA) data dating back to 1880—the first official year of state and national tracking. The chart below shows when Brennan was first recorded in the United States and illustrates how its popularity has risen and fallen over time.

Popularity Over Time (National) — Table

We track the national popularity of each baby name annually. The table below displays each year along with the number of births reported by the Social Security Administration. This data combines all state-level reporting from the SSA's baby names database to provide a comprehensive view of overall birth counts for Brennan.

Year Total Births Boy Girl
2025 236 226 10
2024 226 207 19
2023 229 213 16
2022 250 224 26
2021 295 265 30
2020 347 315 32
2019 372 340 32
2018 412 382 30
2017 508 464 44
2016 584 549 35
2015 730 690 40
2014 863 806 57
2013 993 927 66
2012 1,084 1,011 73
2011 1,264 1,177 87
2010 1,360 1,279 81
2009 1,550 1,464 86
2008 1,399 1,316 83
2007 1,307 1,207 100
2006 1,185 1,116 69
2005 1,101 1,054 47
2004 1,124 1,061 63
2003 1,168 1,127 41
2002 1,179 1,121 58
2001 1,181 1,121 60
2000 1,200 1,158 42
1999 1,164 1,106 58
1998 1,116 1,051 65
1997 1,019 967 52
1996 955 895 60
1995 978 916 62
1994 832 756 76
1993 720 663 57
1992 692 642 50
1991 751 698 53
1990 647 606 41
1989 478 445 33
1988 488 460 28
1987 456 422 34
1986 322 292 30
1985 273 253 20
1984 260 232 28
1983 207 182 25
1982 171 152 19
1981 153 139 14
1980 165 142 23
1979 152 136 16
1978 139 123 16
1977 116 108 8
1976 109 99 10
1975 113 102 11
1974 96 89 7
1973 75 69 6
1972 57 57 0
1971 78 78 0
1970 73 73 0
1969 66 66 0
1968 58 58 0
1967 53 53 0
1966 53 53 0
1965 36 36 0
1964 30 30 0
1963 32 32 0
1962 24 24 0
1961 25 25 0
1960 17 17 0
1959 11 11 0
1958 14 14 0
1957 9 9 0
1956 11 11 0
1955 10 10 0
1954 8 8 0
1953 6 6 0
1951 5 5 0
1950 6 6 0
1949 6 6 0
1916 5 5 0

Top States for Brennan (2024)

We track the most popular states for each baby name every year and highlight the locations where the name appears most frequently. The table below shows the five states with the highest number of births for this name in the selected year. Use the toggle to expand the list to every state with reported births.

State Births Share
TX 19
11%
LA 15
9%
NY 13
8%
OH 13
8%
WA 8
5%
CA 8
5%
GA 7
4%
NC 7
4%
WI 7
4%
SC 7
4%
VA 6
3%
IL 6
3%
IN 6
3%
KY 6
3%
OR 6
3%
PA 6
3%
AL 6
3%
MA 6
3%
FL 5
3%
MN 5
3%
MI 5
3%
TN 5
3%