Family name Sumption (Sumption 
, Sumptio ) , globally, is a rare last name. The family name Sumption is habitual in the United Kingdom, where it is a rare surname, New Zealand, and the United States. Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and South Africa.
| VARIANT | COUNTRY |
|---|---|
| Sumption | United Kingdom, Australia, United States, South Africa, New Zealand |
| Sumptio | United States |
|
jonathan sumption English lawyer and judge, GB (b. 1948) |
|
| charles sumption cricketer (1910-1988), IN (b. 1910) |
|
|
| anthony sumption British solicitor (b. 1919) |
|
|
| madeleine sumption (b. 1950) |
|
|
| adrian sumption British TV engineer, GB |
|
|
| harold sumption fundraising innovator |
|
|
| mike sumption researcher |
|