Given name & surname
Brosnan
“descendant of Brosnachán”
Brosnan is a surname from Irish.
Meaning & origin
What it means
Brosnan is a form of Bresnahan. Bresnahan goes back to Irish Ó Brosnacháin, meaning “descendant of Brosnachán.”
Adapted from Wiktionary (CC BY-SA 4.0)
Where it comes from
Brosnan is a form of Bresnahan. Bresnahan comes from Irish.
Adapted from Wiktionary (CC BY-SA 4.0)
The story
Published U.S. birth records include this spelling as early as 1996. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Brosnan through the years
- Babies since 1880
- 20
- 20 boys · 0 girls
- Most popular year
- 1996
- 5 babies
- 2025
- 0
- Outside the ranked list
- 2021–25 vs 2016–20
- —
- Too few births to compare
By the numbers
The most recent published U.S. birth count for boys is 5 in 2006. Later missing counts do not mean the name went unused. Published U.S. population figures for this spelling include 2,424 as a surname in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Brosnan’s family of names
In English usage, Brosnan as a surname has a related form in BRESNAHAN. In Greek usage, Brosnan as a surname is a transliteration of Μπρόσναν.
Inner ring: spellings · outer: nicknames and forms.
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Similar names
If you love Brosnan, these share its style, era, origin or sound, from outside its own family.
Colgan
“descendant of Colgán”
>99% boys
Kaelan
“a mighty warrior”
85% boys · 15% girls
Brannock
Brannock is a surname from Irish.
>99% boys
Drennen
“descendant of Draighneán”
>99% boys
Corgan
Corgan is a surname from Irish.
>99% boys
Mcquade
“son of Uad”
>99% boys
Conlon
“a hero”
>99% boys
Cowan
“from the hollow near the hill; one of twins”
>99% boys