Cay
- US rank
- Unranked
- Syllables
- 1
- Peak
- #1,667 in 1955
0 babies were named Cay in the US in 2025.
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US births per million girls, 1939–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Cay you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryCay first shows up in US birth records in 1919, the first year at least 5 babies got it. It has been in use for 106 years since.
- Best yearIts best year was 1955, when it reached #1,667.
About the name Cay
Cay is a girl name of Vietnamese origin. It has 3 letters and 1 syllable, starting with C and ending in “-cay”. US birth records list Cay for girls from 1939 to 1966, in 20 of those 28 years. Its best year was 1955, when it ranked #1,667 among girl names. It hasn't been given to 5 or more US babies in a year since 1966, so today it's a genuinely rare choice.
Origin:Vietnamese names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1930s | 6.4 | 156,250 girls |
| 1940s | 2.3 | 434,783 girls |
| 1950s | 7.3 | 136,799 girls |
| 1960s | 4.2 | 235,690 girls |
Other spellings of Cay
More Vietnamese girl names
- Girl name: Nhi · small, little
- Unisex name: Nairi · ancient name of Armenia
- Girl name: Quynh · night-blooming flower
- Unisex name: Bay · bay
- Unisex name: Bijou · jewel
- Unisex name: Miya
- Girl name: Mai
- Girl name: Analeigh
Questions about the name Cay
What is the origin of the name Cay?
Cay has Vietnamese roots in our records. Other Vietnamese names include Nhi, Nairi, Quynh.
Is Cay a boy or girl name?
Cay is a girl name.
How popular is the name Cay?
Cay is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 1966. It peaked at #1,667 in 1955.