Rosan
Girls' nameMeaning not yet documented
Rosan has been given to 97 babies in the U.S. since 1939. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1943, with 8 recorded.
Babies named Rosan, 1968
1 in 422,000
Rosan over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Rosan?
Rosan had fewer than 5 recorded uses in 2025, so these figures use 1968, the last year it was published.
- Among all babies, 1968
- 1 in 422,000
- 8 of 3,378,301 births
- Among girls only
- 1 in 205,000
- <0.01% of girls
- Rank, 1968
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 292,709 kids
- Even odds of a second one
Where Rosan sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 1968 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 292,709 children born in 1968 and it's an even bet that one of them is another Rosan. In a class of 30 the chance is Under 1%.
When Rosans were born
Half of everyone ever recorded as Rosan was born before 1955 — so the typical Rosan is around 70 today.
- Biggest decade
- 1950s
- 45.4% of all use
- Born in the last 25 years
- 81.4%
- A modern name
- Recorded since 1950
- 60
- People you could plausibly meet
1950s — 45.4% of all recorded uses (44).
Is Rosan rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- —
- Not ranked then
- Rank vs 5 years ago
- New entry
- Not ranked then
- Rank vs 10 years ago
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 0%
- Peak was 1943 (8)
- Years since peak
- 82
- Years
- Year-to-year steadiness
- Volatile
- 28.8% average annual change
Spellings of Rosan
Rosan is not the most common spelling — Susan is, with 37.2% against Rosan's <0.01%.
Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.
Rosan around the world
Where Rosan ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.
- France1936–2001#3,184in 2001
Popularity data from Institut national de la statistique et des études économiques. INSEE data under Licence Ouverte / Etalab 2.0.
Rosan by the numbers
The raw record for each sex the name is used for.
Names similar to Rosan
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Rosan
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.