All over the world, Brattain (Brattain 
) is an extremely rare unknown gender given name. Much more prevalently, Brattain is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Brattain | United Kingdom, Canada, United States, New Zealand, Germany |
| hazen a. brattain American rancher, banker, and politician (1864–1930), US (b. 1864) |
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