Nameling

Rosalyn

Gender
Girl
Say it
ROZ-a-lin
Origin
Germanic
UK rank, 2025
#1,324 for girls
US rank, 2025
#1,047 for girls

Rosalyn is a girls' name of Germanic origin, meaning “gentle horse”. In 2025 it ranked 1,324th for girls in the UK (25 babies) and 1,047th for girls in the US (237 babies).

What does Rosalyn mean?

Germanic: variant of Rosalind, later linked to Latin rosa 'rose'

“gentle horse”

Rosalyn Yalow, an American medical physicist, won the 1977 Nobel Prize in Medicine for developing radioimmunoassay.

More on Wiktionary.

Is Rosalyn a girl's or a boy's name?

Rosalyn is a girls' name. In 2025, it was given to 25 girls in the UK and 237 girls in the US. Too few boys were given it to be listed.

How popular is Rosalyn in the UK?

Rank in 2025
#1,324among girls
Babies in 2025
25about 1 in 11,000 girls
Five-year trend
Steadydown 4% in five years
Same name in a class
under 1%chance among 15 girls

In 2025, 25 girls in the UK were named Rosalyn, making it the 1,324th most popular name for girls. Five years earlier, in 2020, it was 2,268th.

2025 had the most girls named Rosalyn of any year since the records began in 1996.

Half of all the girls named Rosalyn in the UK since 1996 were born between 2003 and 2019. It was already well used in 1996, when the records begin, so earlier girls aren't counted.

Among girls in 2025, it was 1,271st in England and Wales.

1996Busiest: 25 in 20252025
Rosalyn in the UK, year by year
YearGirlsRank
202525#1,324
202413#2,175
202310#2,640
202210#2,615
202118#1,726
202012#2,268
201921#1,531
201817#1,810
201718#1,763
201617#1,853
201520#1,622
201415#1,976
201318#1,727
201210#2,666
201113#2,152
201013#2,103
200921#1,449
20088#2,895
200717#1,614
200612#1,987
20055#3,543
20046#2,957
200314#1,564
20028#2,231
200111#1,723
200014#1,415
199913#1,493
199816#1,289
199714#1,387
199618#1,122

How popular is Rosalyn in the US?

Rank in 2025
#1,047among girls
Babies in 2025
237about 1 in 6,800 girls
Five-year trend
Steadydown 16% in five years
Same name in a class
under 1%chance among 15 girls

In 2025, 237 girls in the US were named Rosalyn, making it the 1,047th most popular name for girls. Five years earlier, in 2020, it was 847th. Its busiest year was 1955, with 422 girls. It first appears in the records in 1899.

2025 had fewer girls named Rosalyn than any year since 2015.

Half of all the girls named Rosalyn in the US since 1880 were born between 1946 and 1993, the years shaded on the chart below.

In 2025, 401 girls in the US were given Rosalyn or a name that sounds the same. With every name's spellings counted this way, that ranks #705, up from #1,047 for this spelling alone.

1899Busiest: 422 in 19552025
Rosalyn in the US, year by year
YearGirlsRank
2025237#1,047
2024304#887
2023252#1,006
2022290#930
2021332#832
2020322#847
2019312#859
2018313#865
2017298#899
2016283#958
2015223#1,135
2014271#984
2013196#1,227
2012165#1,396
2011159#1,427
2010148#1,513
2009157#1,478
2008141#1,605
2007113#1,859
2006153#1,454
2005127#1,598
2004117#1,653
200396#1,895
2002107#1,706
200196#1,829
200085#1,965
199985#1,854
199874#2,010
199786#1,755
199675#1,913
199589#1,647
199491#1,644
199395#1,601
1992118#1,389
1991113#1,416
1990107#1,452
1989125#1,256
1988115#1,268
1987140#1,088
1986145#1,042
1985167#939
1984145#997
1983150#973
1982177#871
1981180#864
1980208#790
1979220#742
1978231#687
1977245#655
1976198#741
1975124#990
1974151#863
1973163#801
1972187#748
1971226#681
1970237#672
1969226#661
1968246#613
1967245#606
1966257#590
1965304#543
1964278#595
1963308#554
1962284#588
1961341#529
1960319#542
1959335#529
1958343#525
1957343#513
1956385#475
1955422#430
1954397#439
1953419#423
1952417#412
1951370#434
1950348#434
1949310#453
1948299#462
1947270#502
1946277#471
1945221#485
1944213#494
1943251#467
1942265#452
1941238#445
1940236#444
1939243#431
1938199#470
1937180#488
1936166#504
1935152#520
1934189#468
1933158#507
1932187#483
1931161#514
1930196#478
1929170#522
1928186#505
1927192#505
1926176#526
1925190#511
1924189#520
1923146#600
1922141#615
1921147#595
1920132#622
1919133#608
1918118#647
191789#746
1916104#667
1915108#632
191459#747
191356#694
191239#795
191118#1,031
191016#1,110
190921#890
190813#1,135
190714#1,037
190613#1,043
190512#1,093
19047#1,485
190314#931
19020–
19010–
19006#1,722
18997#1,277

Nicknames for Rosalyn

Names like Rosalyn

Names given in the same years and the same naming tradition, with a similar sound.

Robyn Evelyn Billie Aurora Heidi Bonnie Athena Iris Elena Harriet Margot Eloise

Other spellings of Rosalyn

Rosalynn Rosalin Rozalyn Rozalynn

Names related to Rosalyn

Rosalina Roselyn Rosaline Roslyn Rosaleen Rosslyn Roslin Roselynn Rozlyn Roslynn

More Germanic names

Amelia Liam Henry Charlotte William Archie Charlie Emma Freddie Ella Harry Millie Albie Matilda Louie Miles

Every Germanic name

Sources

Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.

To cite this page: Nameling, “Rosalyn: name meaning, origin and popularity”, https://www.nameling.co.uk/names/rosalyn, updated 20 October 2026.