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Regan

Gender-neutral name · Celtic · Irish

Meaninglittle king · Irish

US rank
#2,276
Syllables
2
Peak
#391 in 2001

80 babies were named Regan in the US in 2025. It has dropped 555 places in five years.

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US births per million girls, 1946–2025

02104201946196020002025

US births per million boys, 1920–2025

030601920196020002025

Similar names

Popularity: U.S. Social Security Administration (babies with 5+ births per year).

Did you know?

A few things about Regan you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.

Regan Smith

Famous Regan

Regan Smith

American swimmer

Choose Regan and your child shares a first name with Regan Smith, an American swimmer. A ready-made answer when someone asks “Regan, like who?” Regan Smith's Wikipedia article is available in 26 languages, a good sign of just how widely known they are.

Read about Regan Smith on Wikipedia (opens in a new tab)

Photo: JD Lasica from Pleasanton, CA, US, CC BY 2.0 (opens in a new tab), via Wikimedia Commons

  • How commonAbout 1 in every 20,080 baby girls born in the US in 2025 was named Regan, 80 babies in all. In a typical school of 500 kids, your Regan would very likely be the only one.
  • HistoryRegan first shows up in US birth records in 1920, the first year at least 5 babies got it. It has been in use for 105 years since.
  • Best yearIt was far more popular in 2001, when it ranked #391. Today it's #2,276, so it could be due a comeback.
  • Then vs nowRegan was 6.5× more common in 2000 than it is today. In 2000 it was given to about 1 in 3,067 baby girls; in 2025, about 1 in 20,080.
  • TrendRegan has slipped 555 places over the last five years and now sits at #2,276. Good news if you want a familiar name that fewer kids will share.
  • Boy or girlRegan is given to both boys and girls: 82% of the 97 babies named Regan in 2025 were girls. That makes it one of the names that truly works for either.
  • MeaningIn Irish, Regan means “little king”. Our records link it to Celtic and Irish roots.

About the name Regan

Regan is a gender-neutral name of Celtic and Irish origin meaning “little king”. It has 5 letters and 2 syllables, starting with R and ending in “-gan”. US birth records list Regan for girls from 1946 to 2025, in 80 of those 80 years. Its best year was 2001, when it ranked #391 among girl names. In 2025 it ranked #2,276, with 80 babies. Of the 97 US babies named Regan in 2025, 82% were girls and 18% were boys.

Origin:Celtic namesIrish names

Regan for girls, by decade
DecadeBabies per millionAbout 1 in
1940s6.2161,943 girls
1950s8.4118,483 girls
1960s2049,875 girls
1970s9410,630 girls
1980s7413,437 girls
1990s2204,552 girls
2000s3283,049 girls
2010s1427,026 girls
2020s6116,484 girls
Regan for boys, by decade
DecadeBabies per millionAbout 1 in
1920s0.52,127,660 boys
1940s4.1242,131 boys
1950s1564,725 boys
1960s3033,212 boys
1970s3231,596 boys
1980s2148,077 boys
1990s2934,072 boys
2000s3330,516 boys
2010s2638,139 boys
2020s1567,720 boys

Other spellings of Regan

More Celtic names

Questions about the name Regan

What does the name Regan mean?

Regan means “little king” in Irish.

What is the origin of the name Regan?

Regan has Celtic, Irish roots in our records. Other Celtic names include Evelyn, Isla, Owen.

Is Regan a boy or girl name?

Both. Regan is used for boys and girls: in 2025, 82% of US babies named Regan were girls.

How popular is the name Regan?

Regan ranked #2,276 for US girls in 2025, given to 80 babies. Its best year was 2001 (#391).