NameYear

Girls' name · peaked in 1966

Shelly name popularity since 1925

86,220 babies born in the US from 1925 to 2025 were named Shelly (97.9% girls, 2.1% boys). Half of them were born in 1968 or earlier, so the typical Shelly is about 58 years old in 2026. Shelly peaked in 1966 as the #89 name for girls, and it was outside the top 1,000 in 2025.

US babies since 1925
86,220
Named Shelly, 1925–2025
Peak year
1966
#89 for girls that year
Typical age
About 58
Median birth year 1968
In 2025
Not top 1,000
#5,884 for girls in 2025
Girls / boys
97.9% girls
84,392 girls · 1,828 boys
Most popular in
North Dakota
2.89× its national share

Peak year is the year Shelly made up the largest share of US girls, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.

Shelly births per year, 1925–2025

Babies named Shelly per year, 1925–2025

The biggest year by count was 1964. Measured as a share of all babies, Shelly peaked in 1966.

  • Fastest rise: Between 1948 and 1953, Shelly became 5.1× more common, from 1 in 16,600 baby girls to 1 in 3,290.
  • Steepest fall: Between 1985 and 1990, its share of baby girls fell by 58%, from 1 in 1,940 to 1 in 4,600.

Shaded on the chart. Both compare Shelly's share of all US girls five years apart, counting only years with at least 100 babies named Shelly.

Decade by decade

Babies named Shelly in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).

Decade GirlsBoys Rank
1925–29 24129 –
1930s 194243 #1,904
1940s 748315 #880
1950s 8,795358 #306
1960s 35,661365 #98
1970s 25,533290 #113
1980s 9,09984 #282
1990s 2,73234 #821
2000s 1,02910 #1,799
2010s 4230 #3,522
2020–25 1540 #5,884

Ranks count every name given to at least 5 girls that year, so they can go past 1,000.

Generation fingerprint

53.5% of babies named Shelly from 1925 to 2025 were born in the Gen X years (1965–1980). The full split by generation:

Shelly by generation Greatest Generation born 1925–27 0.1% Silent Generation born 1928–45 1.2% Baby Boomers born 1946–64 31.2% Gen X born 1965–80 53.5% Millennials born 1981–96 11.6% Gen Z born 1997–2012 1.9% Gen Alpha born 2013–25 0.5%

Where Shelly is most popular

The index compares Shelly's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Shelly.

StateIndexBabies
North Dakota2.89×756
Oklahoma2.49×2,694
Montana2.46×596
South Dakota2.26×596
Iowa2.19×2,310

Other spellings

Spellings that sound like Shelly and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.

SpellingGirlsPeak year
Shelly (this page) 84,392 1966
Shelley 72,499 1972
Shellie 9,570 1970
Shelli 6,983 1968

Names with a similar story

Of the other 1999 names on this site, these six had the share of babies closest in shape to Shelly's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Shelly.

Names from the same era

Other common names that peaked within two years of Shelly (1966).

Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data