How old is someone named Molly?
The average Molly is 32 years old.
Half of all living Mollys are between 18 and 42.
When was Molly popular?
Molly has never really gone out of style. Parents have chosen it every year for more than a century; its busiest year was 1991.
Popular names of 1991 · The most popular names of the 1990s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 803 | 0 |
| 1910s | 2,447 | 0 |
| 1920s | 2,797 | under 100 |
| 1930s | 3,119 | 680 |
| 1940s | 4,161 | 2,400 |
| 1950s | 6,458 | 5,100 |
| 1960s | 9,364 | 8,300 |
| 1970s | 15,776 | 15,000 |
| 1980s | 26,042 | 25,000 |
| 1990s | 36,628 | 36,000 |
| 2000s | 33,330 | 33,000 |
| 2010s | 25,581 | 25,000 |
| 2020s | 9,221 | 9,200 |
How many Mollys are still alive?
About 160,000 Mollys are alive in the US today. That's 91% of the roughly 180,000 babies named Molly since 1880.
Nearly every Molly ever born is still alive, because almost all of them are young.
What generation is the name Molly?
About one in three living Mollys are in Gen Z, born between 1997 and 2012.
Is Molly an old name?
Somewhat. Molly is older than 54 in 100 names on AgeByName, but younger than plenty of classics.
Looking ahead: if babies keep getting the name at today's pace, the typical Molly will be 47 in 2056, so the name is getting older.
Is Molly a boy or girl name?
Almost entirely girls: 99.8% of living Mollys are women.
Names the same age as Molly
NAME TWIN
Molly's name twin is Francisco. Of all 3,713 names on AgeByName, Francisco's age curve is the closest match to Molly's: 94% alike.
Other spellings: Mollie (38)
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Questions about the name Molly
How old is the average Molly?
The average Molly in the US is 32 years old. The median is 30, so half are older and half younger.
How many people are named Molly?
About 160,000 Mollys are alive in the US today, out of roughly 180,000 babies given the name since 1880.
When was the name Molly most popular?
In 1991, when about 4,700 baby girls were named Molly.
Is Molly a Gen Z name?
Partly. Gen Z are the largest group, about 33% of living Mollys, but the name spans several generations.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this