Tau
2025 SSA
Below 5 births
About Tau
Tau, rhyming with cow, is a simple straightforward name with roots in two languages and cultures, the Kaurna language spoken by indigenous Australian people or the African Tswana language, a Bantu language spoken by five million people.
Tau for boys#13675 US
Grimes and Elon Musk have a son named Techno Mechanicus, who goes by Tau — a more wearable nickname than their other children, X and Y.
Tau for girls
Tau, which rhymes with cow, is the alphabetical nickname Grimes and Elon Musk chose for their third child, Techno Mechanicus. Tau is the nineteenth letter of the Greek alphabet and a common variable in physics, biology, and mathematics. In ancient Greece, it was a symbol of life and resurrection.
Pronounced TOW.
As of October 2026, Tau ranked #13675 in US births in 2025 SSA, peaked at #4873 in 1976.
Popularity & trends
Data table
| Year | US rank | Births | Per million |
|---|---|---|---|
| 2014 | — | 0 | 0 |
| 2015 | — | 0 | 0 |
| 2016 | — | 0 | 0 |
| 2017 | — | 0 | 0 |
| 2018 | — | 0 | 0 |
| 2019 | — | 0 | 0 |
| 2020 | — | 0 | 0 |
| 2021 | — | 0 | 0 |
| 2022 | — | 0 | 0 |
| 2023 | — | 0 | 0 |
| 2024 | — | 0 | 0 |
| 2025 | — | 0 | 0 |
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