NamelingSwipe names

Keaghan

Gender
Mostly boys
Say it
KEE-gun
Origin
Irish

Keaghan is a name of Irish origin, meaning “son of the little fiery one”. Too few babies were given it in the latest year to rank.

What does Keaghan mean?

Irish: variant of Keegan, from Mac Aodhagáin

“son of the little fiery one”

A variant spelling of Keegan, an Anglicised form of the Irish surname Mac Aodhagáin.

Is Keaghan a girl's or a boy's name?

In recent years, Keaghan has been given to girls and boys, mostly boys.

How popular is Keaghan in the US?

No boys in the US were given it in 2025, or too few to be listed. Its busiest year was 2009, with 27 boys. It first appears in the records in 1997.

Half of all the boys named Keaghan in the US since 1880 were born between 2006 and 2014, the years shaded on the chart below.

In 2010, 18% of the babies named Keaghan in the US were girls.

1997Busiest: 27 in 20092020
Keaghan in the US, year by year
YearBoysRank
20205#12,016
20199#8,209
201813#6,341
20179#8,136
201617#5,314
201513#6,320
201412#6,627
201317#5,167
201215#5,714
201115#5,670
201027#3,811
200927#3,829
200823#4,264
200716#5,431
200613#6,090
20058#8,292
200410#6,970
200312#5,870
200213#5,388
20017#8,332
200012#5,581
19990–
19986#8,472
19975#9,259

Names related to Keaghan

More Irish names

Every Irish name

Sources

Figures from Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.

To cite this page: Nameling, “Keaghan: name meaning, origin and popularity”, https://www.nameling.co.uk/names/keaghan, updated 20 October 2026.