Cognomen Lockwood-Koehn (Lockwood-Koehn 
) , in the entire world, is an extremely rare family name. The surname Lockwood-Koehn is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Lockwood, and a last name Koehn.
| VARIANT | COUNTRY |
|---|---|
| Lockwood-Koehn | United States |