Girls' name · peaked in 1991

Molly name popularity since 1925

171,069 babies born in the US from 1925 to 2025 were named Molly. Half of them were born in 1994 or earlier, so the typical Molly is about 32 years old in 2026. Molly peaked in 1991 as the #74 name for girls, and it ranked #196 in 2025.

Key facts

US babies since 1925
171,069
Named Molly, 1925–2025
Peak year
1991
#74 for girls that year
Typical age
About 32
Median birth year 1994
In 2025
#196
for girls in 2025 (1,601 babies)
Girls / boys
99.8% girls
170,709 girls · 360 boys
Most popular in
New Hampshire
2.66× its national share

Peak year is the year Molly 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.

Molly births per year, 1925–2025

Babies named Molly per year, 1925–2025

1991 was the biggest year for Molly both by count and as a share of all babies.

  • Fastest rise: Between 1960 and 1965, Molly became 1.7× more common, from 1 in 2,780 baby girls to 1 in 1,660.
  • Steepest fall: Between 2011 and 2016, its share of baby girls fell by 45%, from 1 in 486 to 1 in 892.

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

Decade by decade

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

Decade GirlsBoys Rank
1925–29 1,3890 –
1930s 3,1190 #365
1940s 4,1610 #387
1950s 6,4580 #344
1960s 9,3640 #264
1970s 15,71561 #170
1980s 25,891151 #119
1990s 36,56761 #98
2000s 33,27159 #97
2010s 25,55328 #144
2020–25 9,2210 #196

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

Generation fingerprint

31.3% of babies named Molly from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:

Molly by generation Greatest Generation born 1925–27 0.4% Silent Generation born 1928–45 3.4% Baby Boomers born 1946–64 7.4% Gen X born 1965–80 13.5% Millennials born 1981–96 29.5% Gen Z born 1997–2012 31.3% Gen Alpha born 2013–25 14.3%

Where Molly is most popular

The index compares Molly'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 Molly.

StateIndexBabies
New Hampshire2.66×1,425
Alaska2.19×555
Vermont2.19×622
Minnesota2.14×6,647
Oregon2.03×3,248

Other spellings

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

SpellingGirlsPeak year
Molly (this page) 170,709 1991
Mollie 29,236 1880
Molli 1,989 2014

Names with a similar story

Of the other 499 names on this site, these six had the share of babies closest in shape to Molly's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Molly.

Names from the same era

Other common names that peaked within two years of Molly (1991).

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