Cognomen Merrion (Merrion 
) , all around the world, is a rare family name. The cognomen Merrion is characteristic of the United Kingdom, where it is a rare surname, New Zealand, where it is a very rare surname, and the United States. Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and Australia. Much less frequently, Merrion is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Merrion | Australia, South Africa, Ireland, United Kingdom, United States |
|
merrion frances fox Australian academic and children's writer known for picture books, AU (b. 1946) |
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| leslie merrion (b. 1904) |
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| katrina merrion researcher (ORCID 0000-0003-4454-7852) |
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| trevor loomis merrion (b. 1987) |
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