Masao
Recorded for boysGreatest Generation2025 rank
—
not recorded in 2025
2025 births
—
All-time births
1,018
peak year 1918
More common than
89%
of all archived spellings recorded for boys, by lifetime births for that sex
- Peak year
- 1918
- 81 births
- Best rank
- #705
- in 1918
- First recorded
- 1907
- #1,474 that year
- Last recorded
- 2019
- no later published record
- Average birth year
- 1924
- weighted by recorded births
- Years recorded
- 37 of 146
- with gaps
Top five years
- 191881#705Peak
- 192268#825
- 191963#827
- 191761#816
- 192160#906
Rank over time
Inverted scale — nearer the top is more popular. Unrecorded years are left blank, not drawn as zero.
Best rank #705 in 1918 · peak births 81 in 1918
Births by decade
Where the name's whole run sits, with the best and worst rank it held in each decade
Trajectory by decade
Where Masao has ranked, decade by decade
The band spans each decade's best and worst rank; the line follows its best.
The girls' series
No girls have been recorded with this name.
Stated, not plotted as zero — the split bar and the unisex badge are omitted rather than drawn empty.