Cognomen Macleay (ماكلي 
, Macleay 
) , across the world, is a rare last name. The cognomen Macleay is characteristic of the United Kingdom, where it is a rare surname, Australia, and New Zealand. In absolute terms, this name is the most popular in the United Kingdom, the United States, and Australia. Very seldom, Macleay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ماكلي | Iran |
| Macleay | United Kingdom, Austria, Australia, United States, Canada |
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alexander macleay British entomologist and public servant in the colony of New South Wales (1767–1848), GB (b. 1767) |
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william sharp macleay British civil servant and entomologist, active in Cuba and New South Wales, Australia (1792–1865), GB (b. 1792) |
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macneil kenneth macleay Scottish painter (1802-1878), GB (b. 1802) |
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george macleay pastoralist, explorer and politician in New South Wales, Australia (1809–1891), GB (b. 1809) |
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william john macleay politician and naturalist in New South Wales, Australia (1820-1891), GB (b. 1820) |
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donald macleay Merchant, banker, US (b. 1834) |
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| kenneth macleay Scottish self-styled surgeon and antiquarian (b. 1802) |
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| james macleay British official (b. 1811) |
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| lina macleay (1868-1935) (b. 1868) |
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| james william ronald macleay British diplomat, GB (b. 1870) |
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| ronald macleay British diplomat (b. 1870) |
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lachlan macleay American astronaut, US (b. 1931) |
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| rosanna macleay American painter, US (b. 1887) |
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scott macleay Canadian photographer, composer and new media artist, CA (b. 1950) |
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| kenneth noel grant macleay British botanist in Africa, fern specialist (1903-1989), GB (b. 1903) |
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