Family name Sumerlin (Sumerlin 
) , worldwide, is a rare surname. The family name Sumerlin is habitual in the United States, where it is a rare surname, Canada, where it is an extremely rare surname, and Brazil. Very seldom, Sumerlin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sumerlin | Brazil, United States, India, Canada |
| terry l. sumerlin (b. 1949) |
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| timothy s sumerlin researcher |
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| brent sumerlin researcher |
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