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Calahan

Gender
Boy
Say it
KAL-uh-han
Origin
Irish
US rank, 2025
#4,049 for boys

Calahan is a boys' name of Irish origin. In 2025 it ranked 4,049th for boys in the US (26 babies).

What does Calahan mean?

Irish: spelling of Callahan; from the Irish surname Ó Ceallacháin

From the surname of the O'Callaghans, who claim descent from Ceallachán, a 10th-century king of Munster.

Meaning borrowed from Callahan. More on Wiktionary.

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

Calahan is a boys' name. In 2025, it was given to 26 boys in the US. Too few girls were given it to be listed.

How popular is Calahan in the US?

Rank in 2025
4,049th among boys
Babies in 2025
26 about 1 in 66,000 boys
Five-year trend
Rising up 59% in five years
Same name in a class
under 1% chance among 15 boys

In 2025, 26 boys in the US were named Calahan, making it the 4,049th most popular name for boys. Five years earlier, in 2020, it was 4,851st. It first appears in the records in 1986.

2025 had the most boys named Calahan of any year since it first appeared, in 1986.

Half of all the boys named Calahan in the US since 1880 were born between 2001 and 2022, the years shaded on the chart below.

In 2025, 1,693 boys in the US were given Calahan or a name that sounds the same. With every name's spellings counted this way, that ranks #232, up from #4,049 for this spelling alone.

1986Busiest: 26 in 20252025
Calahan in the US, year by year
YearBoysRank
202526#4,049
202414#6,194
202319#5,070
202214#6,141
20219#8,161
202019#4,851
201911#7,168
20187#9,664
20179#8,136
20165#12,180
20155#12,080
20140–
20130–
20125#12,267
20116#10,801
20109#8,133
20095#12,486
20087#9,864
200711#7,090
20069#7,992
20057#9,108
20045#11,348
20036#9,574
20028#7,636
200110#6,438
20008#7,409
19995#9,905
19988#6,837
19977#7,275
19969#5,975
19956#7,785
19945#8,794
19936#7,631
19925#8,426
19910–
19900–
19890–
19880–
19870–
19866#5,920

Nicknames for Calahan

Names like Calahan

Names given in the same years and the same naming tradition, with a similar sound.

Other spellings of Calahan

Names related to Calahan

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, “Calahan: name meaning, origin and popularity”, https://www.nameling.co.uk/names/calahan, updated 20 October 2026.