Place of Birth: High Wycombe, Buckinghamshire, England, U.K.
Date of Birth: 4 October, 1991
Ethnicity: African-Jamaican, African-Barbadian, possibly other
Leigh-Anne has African-Barbadian, African-Jamaican, and possibly other, ancestry.
A picture of Leigh-Anne with her mother can be seen here.
On her mother’s side, Leigh-Anne is the granddaughter of Leslie J. Thornhill and Valerie Faulkner. Leslie was born in Eton, then Buckinghamshire.
Source: Family background of Leigh-Anne Pinnock – http://www.allaboutlittlemix.com