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- Margaret McKay
- Maureen McKay
- Matt McKay
- McKay Christensen
- McKay, California (disambiguation), multiple locations
- McKay, Calaveras County, California
- McKay, San Luis Obispo County, California
- Mhairi McKay (born 1975), Scottish golfer
- Michael McKay (disambiguation) (several people)
- Molly McKay
- Mount McKay (disambiguation)
- Mount McKay
- Mungo McKay
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