Cognomen Leeche (Leeche 
) , throughout the world, is an extremely rare family name. The family name Leeche is habitual in the United Kingdom, where it is an extremely rare surname, and the United States. Likewise, Leeche is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Leeche | United States, South Africa, United Kingdom |
| richard leeche (d.1596) of Fletching, Suss. and Coleman Street, London |
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| ralph leeche Peerage person ID=207580 |
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| jane leeche Peerage person ID=207579 |
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| john leeche former owner of manuscript LJS 108, University of Pennsylvania |
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| elizabeth leeche, of staffordshire |
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| richard leeche, of wich malbank |
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