Skip to content
boyandgirlnames

Casie

Girl name · Irish

Meaningvigilant · English form of Casey

US rank
#13,208
Syllables
2
Peak
#720 in 1983

6 babies were named Casie in the US in 2025. It has dropped 2,118 places in five years.

Blend Casie with another name

Save adds it to your list. Vote moves it up the top voted names.

US births per million girls, 1962–2025

070140196220002025

US births per million boys, 1987–2025

02419871991

Similar names

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

Did you know?

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

  • How commonAbout 1 in every 270,270 baby girls born in the US in 2025 was named Casie, 6 babies in all. In a typical school of 500 kids, your Casie would very likely be the only one.
  • HistoryCasie first shows up in US birth records in 1962, the first year at least 5 babies got it. It has been in use for 63 years since.
  • Best yearIt was far more popular in 1983, when it ranked #720. Today it's #13,208, so it could be due a comeback.
  • Then vs nowCasie was 10× more common in 2000 than it is today. In 2000 it was given to about 1 in 26,738 baby girls; in 2025, about 1 in 270,270.
  • TrendCasie has slipped 2,118 places over the last five years and now sits at #13,208. Good news if you want a familiar name that fewer kids will share.
  • MeaningCasie is an English form of Casey, which means “vigilant”.

About the name Casie

Casie is a girl name of Irish origin meaning “vigilant”. It has 5 letters and 2 syllables, starting with C and ending in “-sie”. US birth records list Casie for girls from 1962 to 2025, in 59 of those 64 years. Its best year was 1983, when it ranked #720 among girl names. In 2025 it ranked #13,208, with 6 babies.

Origin:Irish names

Casie for girls, by decade
DecadeBabies per millionAbout 1 in
1960s4.3235,294 girls
1970s5717,483 girls
1980s1248,057 girls
1990s7014,355 girls
2000s1953,591 girls
2010s5.2191,205 girls
2020s4.7212,766 girls
Casie for boys, by decade
DecadeBabies per millionAbout 1 in
1980s0.91,111,111 boys
1990s3.2312,500 boys

More Irish girl names

Questions about the name Casie

What does the name Casie mean?

Casie means “vigilant” in English, as a form of Casey.

What is the origin of the name Casie?

Casie has Irish roots in our records. Other Irish names include Abigail, Riley, Maeve.

Is Casie a boy or girl name?

Casie is a girl name.

How popular is the name Casie?

Casie ranked #13,208 for US girls in 2025, given to 6 babies. Its best year was 1983 (#720).