Rosan
- US rank
- Unranked
- Syllables
- 2
- Peak
- #3,388 in 1945
0 babies were named Rosan in the US in 2025.
Found on lists
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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 Rosan you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryRosan first shows up in US birth records in 1939, the first year at least 5 babies got it. It has been in use for 86 years since.
- Best yearIts best year was 1945, when it reached #3,388.
About the name Rosan
Rosan is a girl name of English origin. It has 5 letters and 2 syllables, starting with R and ending in “-san”. US birth records list Rosan for girls from 1939 to 1968, in 15 of those 30 years. Its best year was 1945, when it ranked #3,388 among girl names. It hasn't been given to 5 or more US babies in a year since 1968, so today it's a genuinely rare choice.
Origin:English names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1930s | 4.6 | 217,391 girls |
| 1940s | 2.3 | 432,900 girls |
| 1950s | 2.3 | 440,529 girls |
| 1960s | 1.0 | 1,011,236 girls |
Other spellings of Rosan
More English girl names
- Girl name: Olivia · olive tree
- Girl name: Charlotte · free
- Unisex name: Harper · harp player
- Girl name: Elizabeth · God is my oath
- Girl name: Lily · lily flower
- Girl name: Lucy · light
- Girl name: Lainey · possibly light
- Girl name: Scarlett · scarlet red
Questions about the name Rosan
What is the origin of the name Rosan?
Rosan has English roots in our records. Other English names include Olivia, Charlotte, Harper.
Is Rosan a boy or girl name?
Rosan is a girl name.
How popular is the name Rosan?
Rosan is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 1968. It peaked at #3,388 in 1945.