How Many People Are Named Seiko?
people named Seiko are alive in the United States today (estimate)
About 1 in 56,964,142 people in the US has this name
Based on 35 babies named Seiko in Social Security records from 1919 to 2009, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Population Percentage
Of US population
Peak Year
7 births
Trend
Last year given
⚧ Gender Distribution
Of the babies given the name Seiko, 98.8% were girls and 1.2% were boys.
👥 Age Distribution
The average person named Seiko alive today is about 17 years old, and 100% are under 30.
📈 Popularity Over Time
Seiko first appears in the records in 1919 and was given most often in 1924, to 7 babies. The last year it was given to at least 5 babies of one sex was 2009.
Babies given the name each year, 1919 to 2009
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