How Many People Are Named Masao?
people named Masao are alive in the United States today (estimate)
About 1 in 7,120,517 people in the US has this name
Based on 1,018 babies named Masao in Social Security records from 1907 to 2019, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Population Percentage
Of US population
Peak Year
81 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Masao in the records were boys.
👥 Age Distribution
The average person named Masao alive today is about 52 years old, and 48% are 60 or older.
📈 Popularity Over Time
Masao first appears in the records in 1907 and was given most often in 1918, to 81 babies. The last year it was given to at least 5 babies of one sex was 2019.
Babies given the name each year, 1907 to 2019
📍 State-Wise Distribution
People named Masao alive today, by the state where they were born (estimate; state records start in 1910).
More people named Masao were born in California than in any other state: about 7 of those alive today.
Look up another name
⊙ We don't save the names you search.