Cognomen Duggin (Duggin 
) , throughout the world, is a rare last name. The surname Duggin is characteristic of Jamaica, where it is quite a rare surname, Australia, where it is a rare surname, and the United States. In absolute terms, it is the most numerous in the United States, Australia, and the United Kingdom.
| VARIANT | COUNTRY |
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| Duggin | Australia, Jamaica, United States, India, United Kingdom |
| charles duggin (b. 1830) |
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| thomas duggin British diplomat, GB (b. 1947) |
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| david duggin college basketball player (1980–1981) New Mexico |
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| iain g duggin researcher ORCID ID = 0000-0003-4868-7350 |
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| patricia duggin British martial artist |
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| thelma duggin American businessperson and board member, former Senior Vice President at UnitedHealth Group and Aspen Institute Trustee |
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