Tau
Boy nameTau has been given to 39 babies in the U.S. since 1976. It peaked in 1976. In 2025, about 1 in 341,615 boys was named Tau.
Popularity over time births per year, 1880–2025
Total babies
39
Peak year
1976 (7 babies)
Rank in 2025
Below top 1000
First recorded
1976
10-year trend
New / returning
Gender split
All boys
Spellings & variants
Names one letter away from Tau — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Tau.
Sibling name ideas for Tau
Same era and popularity as Tau, avoiding matching initials or rhymes.
FAQ
How popular is the name Tau?
Tau has been given to 39 babies in the U.S. since 1976. It ranked below the top 1000 in 2025.
When did the name Tau peak?
Tau peaked in 1976, when 7 babies were given the name.
Is Tau a girl or boy name?
Tau is primarily a boy name (100% of babies named Tau are boys).
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