Surname Mclafferty (Mclafferty 
) , globally, is a rare cognomen. The family name Mclafferty is habitual in Ireland, where it is a rare surname, the United Kingdom, and Canada. Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and Canada.
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| Mclafferty | Canada, Australia, United States, United Kingdom, Ireland |
| maurice mclafferty (1922-1999), GB (b. 1922) |
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| fred mclafferty Recipient of the Purple Heart medal, US (b. 1923) |
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| sara mclafferty (b. 1951) |
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| michael mclafferty American actor, US (b. 1972) |
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| alexandra mclafferty Master of Arts, art history, University of Washington |
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| margaret mclafferty researcher ORCID ID = 0000-0001-8133-9353 |
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| paul mclafferty candidate in the 2021 Scottish Parliament election |
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