How Many People Are Named Sumio?
Almost none
We estimate that almost no one named Sumio is alive in the United States today.
Based on 17 babies named Sumio in Social Security records from 1918 to 1925, and the share of each birth year still alive in 2025.
Popularity Rank
#103,360
💎💎 Very Rare
Population Percentage
None
Of US population
Peak Year
1918
6 births
Trend
1925
Last year given
⚧ Gender Distribution
All of the babies given the name Sumio in the records were boys.
📈 Popularity Over Time
Sumio first appears in the records in 1918 and was given most often in 1918, to 6 babies. The last year it was given to at least 5 babies of one sex was 1925.
Babies given the name each year, 1918 to 1925
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