Her father was Philip Leigh, born 1753 Dartmouth (his father Philip Leigh, his mother Elizabeth Featherstonehaugh)
Her mother was Elizabeth Dunsterville (1756–) daughter of Elias Dunsterville, a ships blockmaker in Plymouth.
They married in 1776 at St Andrew's, Plymouth, Devon, England
by licence.
Both father and son Philip Leigh were mariners, with interest and property in the Newfoundland / Dartmouth fishing and trading enterprises.