How Many People Are Named Sidnei?
people named Sidnei are alive in the United States today (estimate)
About 1 in 14,241,035 people in the US has this name
Based on 24 babies named Sidnei in Social Security records from 1995 to 2012, 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
All of the babies given the name Sidnei in the records were girls.
👥 Age Distribution
The average person named Sidnei alive today is about 19 years old, and 79% are under 30.
📈 Popularity Over Time
Sidnei first appears in the records in 1995 and was given most often in 2006, to 7 babies. The last year it was given to at least 5 babies of one sex was 2012.
Babies given the name each year, 1995 to 2012
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