Girls' name · peaked in 1935
Mona name popularity since 1925
40,866 babies born in the US from 1925 to 2025 were named Mona. Half of them were born in 1957 or earlier, so the typical Mona is about 69 years old in 2026. Mona peaked in 1935 as the #243 name for girls, and it was outside the top 1,000 in 2025.
Key facts
- US babies since 1925
- 40,866
- Named Mona, 1925–2025
- In 2025
- Not top 1,000
- #2,806 for girls in 2025
- Girls / boys
- 99.9% girls
- 40,835 girls · 31 boys
- Most popular in
- Louisiana
- 2.95× its national share
Peak year is the year Mona 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.
Mona births per year, 1925–2025
The biggest year by count was 1957. Measured as a share of all babies, Mona peaked in 1935.
- Steepest fall: Between 1938 and 1943, Mona's share of baby girls fell by 56%, from 1 in 1,720 to 1 in 3,890.
- Fastest rise: Between 1945 and 1950, it became 2.3× more common, from 1 in 3,570 baby girls to 1 in 1,570.
Shaded on the chart. Both compare Mona's share of all US girls five years apart, counting only years with at least 100 babies named Mona.
Decade by decade
Babies named Mona in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 1,988 | 0 | – |
| 1930s | 6,011 | 21 | #243 |
| 1940s | 4,240 | 0 | #364 |
| 1950s | 11,181 | 0 | #249 |
| 1960s | 8,795 | 10 | #305 |
| 1970s | 3,387 | 0 | #599 |
| 1980s | 1,516 | 0 | #993 |
| 1990s | 1,229 | 0 | #1,447 |
| 2000s | 940 | 0 | #1,871 |
| 2010s | 1,026 | 0 | #1,903 |
| 2020–25 | 522 | 0 | #2,806 |
Ranks count every name given to at least 5 girls that year, so they can go past 1,000.
Generation fingerprint
44.2% of babies named Mona from 1925 to 2025 were born in the Baby Boom years (1946–1964). The full split by generation:
Where Mona is most popular
The index compares Mona'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 Mona.
| State | Index | Babies |
|---|---|---|
| Louisiana | 2.95× | 1,974 |
| Maine | 2.24× | 357 |
| West Virginia | 1.93× | 634 |
| Oklahoma | 1.87× | 907 |
| Kentucky | 1.75× | 1,092 |
Other spellings
Spellings that sound like Mona and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.
| Spelling | Girls | Peak year |
|---|---|---|
| Mona (this page) | 40,835 | 1935 |
| Monna | 1,177 | 1933 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Mona's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Mona.
Names from the same era
Other common names that peaked within two years of Mona (1935).
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