Given name & surname
Colgan
“descendant of Colgán”
Colgan is a surname from Irish.
Meaning & origin
What it means
Colgan goes back to Irish Ó Colgáin, meaning “descendant of Colgán.”
Adapted from Wiktionary (CC BY-SA 4.0)
How it developed
From Irish Ó Colgáin (“descendant of Colgán”).
Adapted from Wiktionary (CC BY-SA 4.0)
The story
Published U.S. birth records include this spelling as early as 2002. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Colgan through the years
- Babies since 1880
- 15
- 15 boys · 0 girls
- Most popular year
- 2002
- 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 2016. Later missing counts do not mean the name went unused. Published U.S. population figures for this spelling include 3,354 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.
Colgan’s family of names
In English usage, Colgan as a surname has a related form in COLLIGAN.
The ring: nicknames and forms.
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Similar names
If you love Colgan, these share its style, era, origin or sound, from outside its own family.
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Keveen is a masculine given name from Old Irish. It is used in Manx.
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“a follower of Kevin”
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Keiran
“having dark features; the little dark one”
>99% boys