Rosalyn

Did you know?

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

⭐ Famous Rosalyn

Rosalyn Sussman Yalow

American medical physicist (1921-2011)

Choose Rosalyn and your child shares a first name with Rosalyn Sussman Yalow, an American medical physicist. A ready-made answer when someone asks “Rosalyn, like who?” Rosalyn Sussman Yalow's Wikipedia article is available in 87 languages, a good sign of just how widely known they are.

Read about Rosalyn Sussman Yalow on Wikipedia ↗ (opens in a new tab)

Photo: US Information Agency (see image credits at the end), Public domain (opens in a new tab), via Wikimedia Commons

• 👶How commonAbout 1 in every 6,780 baby girls born in the US in 2025 was named Rosalyn, 237 babies in all. In a typical school of 500 kids, your Rosalyn would very likely be the only one.
• 📜HistoryRosalyn first shows up in US birth records in 1899, the first year at least 5 babies got it. It has been in use for 126 years since.
• 🏆Best yearIts best year was 1952, when it reached #413.
• 📈Then vs nowRosalyn is 3.2× more common today than it was in 2000. In 2000 it was given to about 1 in 21,368 baby girls; in 2025, about 1 in 6,780.
• 🍂TrendRosalyn has slipped 200 places over the last five years and now sits at #1,047. Good news if you want a familiar name that fewer kids will share.
• 📍Where it's lovedRosalyn is most popular in Kentucky, where it ranks #443, followed by Maryland (#600) and Utah (#605). It's in the top 1,000 in 17 states.

About the name Rosalyn

Rosalyn is a girl name of Spanish origin. It has 7 letters and 3 syllables, starting with R and ending in “-lyn”. US birth records list Rosalyn for girls from 1899 to 2025, in 125 of those 127 years. Its best year was 1952, when it ranked #413 among girl names. In 2025 it ranked #1,047, with 237 babies.

Origin:Spanish names