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2025 data, released 8 May 2026

Ciaran

Ciaran was the 1609th most popular name for boys in 2025, given to 105 babies. That is its highest rank since records began in 1880. Over the last ten years it has moved up 351 places. More babies were named Ciaran in the 2010s than in any other decade.

Meaning Not yet researched how we research meanings

Rank in 2025
#1,609 boys, up 442 places since 2020
Babies in 2025
105boys
Girls and boys
Almost always a boy’s name2021–2025
Peak year
2025105 babies
Total since 1880
2,233babies recorded

Ciaran popularity since 1880

050100150200 1900192019401960198020002020
Boys Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.

A few girls are given the name too: 35 since 1971, 5 in 2025.

YearRank (boys)Babies (boys)
2025#1,609105
2020#2,05169
2010#2,14962
2000#2,34141
1990#5,9198
1980——
1970——
1960——
1950——
1940——
1930——
1920——
1910——
1900——
1890——
1880——

How popular is Ciaran, counting every spelling?

Ciaran has no other common spelling that sounds the same. Counting every name's spellings together, it ranks #1,513 for boys in 2025, against #1,609 on the official list.

How many kids will share the name Ciaran?

105 of the 3,606,400 babies born in the US in 2025 were named Ciaran (0.03 per 1,000 births). For a boy named Ciaran born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 80 (of 430 pupils) would have a child named Ciaran.

Chance of another Ciaran in a class of 20under 1 in 50US, born 2025
Most likely inMassachusettsunder 1 in 50 (2024)

Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.

How old are people named Ciaran?

About 2,200 people born in the US named Ciaran are alive today, with a median age of 15; half are between 7 and 23. That makes Ciaran mostly worn by children and young adults.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.

Ciaran by state

How common Ciaran was among boys born in each state in 2021–2025. It is notably more common than nationally in Massachusetts (3.8×), New York (2.1×), Pennsylvania (1.9×). In 37 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.

Alaska: fewer than 5 a yearAK–Maine: fewer than 5 a yearME–Wisconsin: fewer than 5 a yearWI–Vermont: fewer than 5 a yearVT–New Hampshire: fewer than 5 a yearNH–Washington: fewer than 5 a yearWA–Idaho: fewer than 5 a yearID–Montana: fewer than 5 a yearMT–North Dakota: fewer than 5 a yearND–Minnesota: fewer than 5 a yearMN–Illinois: 0.05 per 1,000 babiesIL0.05Michigan: fewer than 5 a yearMI–New York: 0.10 per 1,000 babiesNY0.10Massachusetts: 0.19 per 1,000 babiesMA0.19Oregon: 0.07 per 1,000 babiesOR0.07Nevada: fewer than 5 a yearNV–Wyoming: fewer than 5 a yearWY–South Dakota: fewer than 5 a yearSD–Iowa: fewer than 5 a yearIA–Indiana: fewer than 5 a yearIN–Ohio: fewer than 5 a yearOH–Pennsylvania: 0.10 per 1,000 babiesPA0.10New Jersey: 0.09 per 1,000 babiesNJ0.09Connecticut: 0.07 per 1,000 babiesCT0.07Rhode Island: fewer than 5 a yearRI–California: 0.05 per 1,000 babiesCA0.05Utah: fewer than 5 a yearUT–Colorado: 0.04 per 1,000 babiesCO0.04Nebraska: fewer than 5 a yearNE–Missouri: fewer than 5 a yearMO–Kentucky: fewer than 5 a yearKY–West Virginia: fewer than 5 a yearWV–Virginia: 0.03 per 1,000 babiesVA0.03Maryland: 0.06 per 1,000 babiesMD0.06Delaware: fewer than 5 a yearDE–Arizona: fewer than 5 a yearAZ–New Mexico: fewer than 5 a yearNM–Kansas: fewer than 5 a yearKS–Arkansas: fewer than 5 a yearAR–Tennessee: fewer than 5 a yearTN–North Carolina: 0.04 per 1,000 babiesNC0.04South Carolina: fewer than 5 a yearSC–District of Columbia: fewer than 5 a yearDC–Oklahoma: fewer than 5 a yearOK–Louisiana: fewer than 5 a yearLA–Mississippi: fewer than 5 a yearMS–Alabama: fewer than 5 a yearAL–Georgia: 0.02 per 1,000 babiesGA0.02Hawaii: fewer than 5 a yearHI–Texas: 0.01 per 1,000 babiesTX0.01Florida: fewer than 5 a yearFL–
Babies per 1,000 of the same sex, Ciaran, boys, 2021–2025. Darker means more common.

Names with a similar history

These names rose and fell in step with Ciaran: their share of US boys followed the most similar curve since 1880. If you like Ciaran, they share its era and feel.

Questions about the name Ciaran

How popular is the name Ciaran?

Ciaran was the 1609th most popular name for boys in 2025, given to 105 babies. That is its highest rank since records began in 1880. Over the last ten years it has moved up 351 places. More babies were named Ciaran in the 2010s than in any other decade.

Is Ciaran a boy or girl name?

In 2021–2025, almost always a boy’s name given the name Ciaran in the US.

Where is Ciaran most popular?

In 2021–2025, Ciaran was most common in Massachusetts (0.19 per 1,000 boys), followed by New York and Pennsylvania.