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boyandgirlnames

Keir

Boy name · Celtic · Irish

US rank
#9,714
Syllables
1
Peak
#1,023 in 1970

7 babies were named Keir in the US in 2025. It has dropped 3,094 places in five years.

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US births per million girls, 1969–2025

03.5719691994

US births per million boys, 1963–2025

01734196320002025

Similar names

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

Did you know?

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

Keir Dullea

Famous Keir

Keir Dullea

American actor

Choose Keir and your child shares a first name with Keir Dullea, an American actor. A ready-made answer when someone asks “Keir, like who?” Keir Dullea's Wikipedia article is available in 31 languages, a good sign of just how widely known they are.

Read about Keir Dullea on Wikipedia (opens in a new tab)

Photo: NBC Television, Public domain (opens in a new tab), via Wikimedia Commons

  • How commonAbout 1 in every 243,902 baby boys born in the US in 2025 was named Keir, 7 babies in all. In a typical school of 500 kids, your Keir would very likely be the only one.
  • HistoryKeir first shows up in US birth records in 1963, the first year at least 5 babies got it. It has been in use for 62 years since.
  • Best yearIt was far more popular in 1970, when it ranked #1,023. Today it's #9,714, so it could be due a comeback.
  • TrendKeir has slipped 3,094 places over the last five years and now sits at #9,714. Good news if you want a familiar name that fewer kids will share.

About the name Keir

Keir is a boy name of Celtic and Irish origin. It has 4 letters and 1 syllable, starting with K and ending in “-eir”. US birth records list Keir for boys from 1963 to 2025, in 63 of those 63 years. Its best year was 1970, when it ranked #1,023 among boy names. In 2025 it ranked #9,714, with 7 babies.

Origin:Celtic namesIrish names

Keir for girls, by decade
DecadeBabies per millionAbout 1 in
1960s3.6277,778 girls
1970s3.1324,675 girls
1980s0.33,333,333 girls
1990s0.61,785,714 girls
Keir for boys, by decade
DecadeBabies per millionAbout 1 in
1960s1097,902 boys
1970s1661,728 boys
1980s7.5132,802 boys
1990s8.8114,025 boys
2000s6.7150,376 boys
2010s6.4156,740 boys
2020s8.3120,724 boys

More Celtic boy names

Questions about the name Keir

What is the origin of the name Keir?

Keir has Celtic, Irish roots in our records. Other Celtic names include Owen, Logan, Rowan.

Is Keir a boy or girl name?

Keir is a boy name.

How popular is the name Keir?

Keir ranked #9,714 for US boys in 2025, given to 7 babies. Its best year was 1970 (#1,023).