Cognomen Tranmer (Tranmer 
) , in the world, is a rare last name. The family name Tranmer is characteristic of Estonia, where it is a rare surname, the United Kingdom, and Canada. Measured by absolute frequency, it most frequently occurs in the United Kingdom, the United States, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Tranmer | United Kingdom, Portugal, Canada, United States, France |
| eileen betsy tranmer British chess player and clarinetist, GB (b. 1910) |
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| geoffrey k. tranmer researcher |
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| joan e tranmer researcher |
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