Cognomen Thalacker (Thalacker 
) , globally, is a rare family name. The family name Thalacker is characteristic of Western Europe, particularly Austria, where it is a rare surname, Switzerland, and Germany. Measured by absolute frequency, it most frequently occurs in the United States, Germany, and Romania.
| VARIANT | COUNTRY |
|---|---|
| Thalacker | Switzerland, United States, Romania, Austria, Germany |
| johann george thalacker (b. 1823) |
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| heidi mahnke geb. thalacker Dr. rer. nat. Freie Universität Berlin 1971 |
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