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 | United Kingdom, Italy, United States, Canada, Philippines |
|
robert walthour American cyclist, US (b. 1878) |
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| john b. walthour Episcopal bishop of Atlanta (b. 1904) |
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| jimmy walthour American bicycle racer, US (b. 1910) |
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| isaac walthour American professional basketball player (1928-1977), US (b. 1928) |
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