Compare two names
Marylou and Marlo side by side: Marylou peaked in 1942 and Marlo in 1970; in 2025 they were given to 28 and 204 babies.
Marylou and Marlo, year by year
Girls and boys together; Marylou solid, Marlo dashed.
| Marylou | Marlo | |
|---|---|---|
| Births 2025 | 28 | 204 |
| Rank 2025 | #4,834 among girls’ names | #1,839 among girls’ names |
| Recorded since 1880 | 13,112 | 10,944 |
| Peak year | 1942 | 1970 |
| Girls | 100% | 66% |
| Alive, estimated | 7,390 | 9,880 |
| Median age | 69 | 47 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.