Cognomen Kinghan (Kinghan 
) , around the globe, is a rare surname. The cognomen Kinghan is habitual in Ireland, where it is a rare surname, the United Kingdom, and New Zealand. Not in comparison with a country's population, the name is most common in the United Kingdom, Ireland, and Canada.
| VARIANT | COUNTRY |
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| Kinghan | United Kingdom, Ireland, Canada, Australia, United States |
| william kinghan Member of the Senate of Northern Ireland (b. 1876) |
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| charles ross kinghan (b. 1895) |
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| john kinghan (died 1895) |
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| samuel kinghan Northern Irish politician |
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| william kinghan Peerage person ID=450798 |
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