Last name Klerr (Klerr 
) , in the entire world, is a very rare cognomen. The last name Klerr is characteristic of Italy, where it is a very rare surname, France, where it is an extremely rare surname, and the United States. Much less frequently, Klerr is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Klerr | Italy, Philippines, Mexico, United States, France |
| ludwig klerr Austrian composer (1826-1882), AT (b. 1826) |
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| johann baptist klerr Austrian kapellmeister and composer (1830-1875), AT (b. 1830) |
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