Girls' name · peaked in 1951
Margo name popularity since 1925
26,912 babies born in the US from 1925 to 2025 were named Margo. Half of them were born in 1963 or earlier, so the typical Margo is about 63 years old in 2026. Margo peaked in 1951 as the #295 name for girls, and it ranked #559 in 2025.
Key facts
- US babies since 1925
- 26,912
- Named Margo, 1925–2025
- In 2025
- #559
- for girls in 2025 (540 babies)
- Girls / boys
- 99.9% girls
- 26,878 girls · 34 boys
- Most popular in
- Utah
- 2.19× its national share
Peak year is the year Margo 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.
Margo births per year, 1925–2025
The biggest year by count was 1954. Measured as a share of all babies, Margo peaked in 1951.
- Fastest rise: Between 1936 and 1941, Margo became 3.5× more common, from 1 in 9,050 baby girls to 1 in 2,550.
- Steepest fall: Between 1981 and 1986, its share of baby girls fell by 43%, from 1 in 7,160 to 1 in 12,500.
Shaded on the chart. Both compare Margo's share of all US girls five years apart, counting only years with at least 100 babies named Margo.
Decade by decade
Babies named Margo 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 | 151 | 0 | – |
| 1930s | 1,209 | 0 | #771 |
| 1940s | 4,791 | 12 | #316 |
| 1950s | 5,886 | 5 | #374 |
| 1960s | 3,956 | 5 | #521 |
| 1970s | 2,271 | 6 | #784 |
| 1980s | 1,741 | 6 | #1,028 |
| 1990s | 1,217 | 0 | #1,415 |
| 2000s | 886 | 0 | #2,273 |
| 2010s | 1,817 | 0 | #1,277 |
| 2020–25 | 2,953 | 0 | #559 |
Ranks count every name given to at least 5 girls that year, so they can go past 1,000.
Generation fingerprint
38.2% of babies named Margo from 1925 to 2025 were born in the Baby Boom years (1946–1964). The full split by generation:
Where Margo is most popular
The index compares Margo'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 Margo.
| State | Index | Babies |
|---|---|---|
| Utah | 2.19× | 413 |
| Michigan | 1.87× | 1,589 |
| Minnesota | 1.74× | 706 |
| Illinois | 1.67× | 1,804 |
| Iowa | 1.56× | 439 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Margo's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Margo.
Names from the same era
Other common names that peaked within two years of Margo (1951).
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