Last name Walthour (Walthour 
) , in the entire world, is a rare cognomen. The surname Walthour is characteristic of the United States, where it is a rare surname, Italy, where it is a very rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Walthour | Philippines, Canada, Italy, United States, United Kingdom |
|
robert walthour American cyclist, US (b. 1878) |
|
| john b. walthour Episcopal bishop of Atlanta (b. 1904) |
|
|
| jimmy walthour American bicycle racer, US (b. 1910) |
|
|
| isaac walthour American professional basketball player (1928-1977), US (b. 1928) |
|