Boy

Kiernan

Meaning not yet researched.

2025 rank
#3,409
34 boys
2015
#2,943
rank
1950
—
not ranked

Kiernan: US boys given the name each year, 1880 to 2025, from Social Security card applications. 34 in 2025. Its best rank was #1,694 in 2000.

US births per year · SSA card applications

Peaked at #1,694 in 2000; #3,409 in 2025. About 79% of babies named Kiernan in 2025 were boys.

Baby name · US data 1880–2025

#3,409 for US boys in 2025. Its best year was 2000, at #1,694.

Babies in 2025
43
Since 1880
2,448
Years on record
53

Babies named Kiernan, every year since 1880

Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.

Boys Girls

Kiernan: US boys and girls given the name each year from 1880 to 2025. 34 boys in 2025. Peak: #1,694 in 2000 · most boys in one year: 77 (2008).

About the name Kiernan

In 2025, 34 US boys were named Kiernan, making it the 3,409th most common boys’ name of the year, down 272 places from #3,137 in 2024. That is 5 fewer than the 39 boys named Kiernan in 2024. Its best rank for boys was #1,694, reached in 2000. The most boys given the name in a single year was 77, in 2008. For comparison, it was #2,943 in 2015 and unranked in 1950.

In 2025, 9 US girls were named Kiernan, making it the 10,519th most common girls’ name of the year, up 3,895 places from #14,414 in 2024. That is 3 more than the 6 girls named Kiernan in 2024. Its best rank for girls was #3,852, reached in 2002. That year also had the most girls given the name: 34. For comparison, it was #9,827 in 2015 and unranked in 1950.

Social Security card records list Kiernan in 53 years of the 146 from 1880 to 2025, starting in 1957 with 5 babies. In all, 2,448 US babies have been given the name, 28% of them girls and 72% boys. Its busiest decade was the 2000s, with 879 babies named Kiernan.

Over the 10 years from 2016 to 2025, 365 US boys were named Kiernan; the busiest of those years was 2017, with 54. In 2025 that was about 1 in 50,238 of the boys in SSA’s list for the year.

Rarer spellings such as Keirnan and Kiernen are summarised on this page.

Meaning

Meaning not yet researched.

We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.

Related spellings

No related spellings pass our data threshold.

Rare spellings summarised here: Keirnan (20), Kiernen (5).

Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.

Nicknames

No nicknames listed for Kiernan in the open dataset we use.

Source: carltonnorthern/nicknames (Apache-2.0).

Rank by year

Births and national rank for each year SSA lists the name, newest first.

CSV
YearGirlsGirls rankBoysBoys rank
20259#10,51934#3,409
20246#14,41439#3,137
202312#8,74129#3,848
202214#7,85731#3,661
202117#6,85341#3,003
202021#5,75933#3,381
201929#4,71929#3,765
201819#6,39343#2,823
201725#5,25454#2,404
201613#8,64732#3,484
201511#9,82740#2,943
201414#8,29442#2,834
201316#7,58234#3,239
201211#10,08941#2,891
201114#8,42760#2,188
201022#6,07374#1,920
200923#6,00366#2,085
200827#5,37277#1,888
200721#6,45466#2,081
200616#7,68749#2,498
200517#7,00167#1,899
200419#6,37156#2,120
200325#5,02869#1,754
200234#3,85267#1,732
200128#4,38360#1,854
200024#4,89468#1,694
199926#4,38848#2,009
199820#5,25139#2,296
199717#5,75740#2,190
199622#4,67350#1,832
199515#6,11934#2,325
199414#6,49838#2,151
199316#5,80932#2,376
19928#9,96421#3,166
199113#6,79820#3,176
1990——16#3,703
1989——14#3,920
19885#12,81612#4,061
19878#8,36814#3,438
1986——7#5,678
19855#11,53810#4,217
1984——8#4,784
19835#11,0965#6,811
19829#7,17711#3,824
1981——7#5,229
19806#9,664——
19786#9,0775#6,329
1976——5#6,064
19725#8,879——
1971——5#5,307
1970——5#5,106
1969——9#3,201
1957——5#4,284

About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).