Thu
Gender-neutral name · Vietnamese
- US rank
- Unranked
- Syllables
- 1
- Peak
- #1,887 in 1983
0 babies were named Thu in the US in 2025.
Found on lists
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US births per million girls, 1975–2025
US births per million boys, 1990–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Thu you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryThu first shows up in US birth records in 1975, the first year at least 5 babies got it. It has been in use for 50 years since.
- Best yearIts best year was 1983, when it reached #1,887.
About the name Thu
Thu is a gender-neutral name of Vietnamese origin. It has 3 letters and 1 syllable, starting with T and ending in “-thu”. US birth records list Thu for girls from 1975 to 2018, in 43 of those 44 years. Its best year was 1983, when it ranked #1,887 among girl names. It hasn't been given to 5 or more US babies in a year since 2018, so today it's a genuinely rare choice.
Origin:Vietnamese names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1970s | 11 | 92,081 girls |
| 1980s | 22 | 45,065 girls |
| 1990s | 9.7 | 102,881 girls |
| 2000s | 6.6 | 151,976 girls |
| 2010s | 4.7 | 212,766 girls |
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1990s | 2.4 | 416,667 boys |
More Vietnamese names
- Girl name: Nhi · small, little
- Unisex name: Nairi · ancient name of Armenia
- Girl name: Quynh · night-blooming flower
- Unisex name: Lan · orchid
- Unisex name: Bay · bay
- Unisex name: Bijou · jewel
- Boy name: Teo
- Unisex name: Cam
Questions about the name Thu
What is the origin of the name Thu?
Thu has Vietnamese roots in our records. Other Vietnamese names include Nhi, Nairi, Quynh.
Is Thu a boy or girl name?
Both. Thu is used for boys and girls.
How popular is the name Thu?
Thu is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2018. It peaked at #1,887 in 1983.