Osamu
Recorded for boysSilent Generation2025 rank
—
not recorded in 2025
2025 births
—
All-time births
94
peak year 1925
More common than
61%
of all archived spellings recorded for boys, by lifetime births for that sex
- Peak year
- 1925
- 11 births
- Best rank
- #2,707
- in 1925
- First recorded
- 1920
- #4,799 that year
- Last recorded
- 1997
- no later published record
- Average birth year
- 1936
- weighted by recorded births
- Years recorded
- 14 of 146
- with gaps
Top five years
- 192511#2,707Peak
- 19289#3,012
- 19319#2,824
- 19238#3,389
- 19277#3,696
Rank over time
Inverted scale — nearer the top is more popular. Unrecorded years are left blank, not drawn as zero.
Best rank #2,707 in 1925 · peak births 11 in 1925
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 Osamu 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.