Compare two names
Masson and Mason side by side: Masson peaked in 2014 and Mason in 2011; in 2025 they were given to 9 and 6,342 babies.
Masson and Mason, year by year
Girls and boys together; Masson solid, Mason dashed.
| Masson | Mason | |
|---|---|---|
| Births 2025 | 9 | 6,342 |
| Rank 2025 | #8,670 among boys’ names | #39 among boys’ names |
| Recorded since 1880 | 328 | 345,931 |
| Peak year | 2014 | 2011 |
| Girls | 0% | 1% |
| Alive, estimated | 323 | 337,000 |
| Median age | 16 | 14 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.