Cognomen Kilgo (Kilgo 
) , worldwide, is quite a rare family name. The last name Kilgo is habitual in the United States, where it is a rare surname, New Zealand, where it is a very rare surname, and Canada. In absolute terms, it is the most numerous in the United States, Canada, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Kilgo | Australia, Germany, Canada, New Zealand, United States |
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john carlisle kilgo American bishop (1861-1922), US (b. 1861) |
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darius kilgo American football player, US (b. 1991) |
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| james kilgo (b. 1941) |
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| patrick d kilgo researcher |
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| danielle k kilgo researcher |
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