Eunice Clark was born to Thomas Clark, III and Eunice (Burwell) Clark in 1786 in Oxford, New Haven County, Connecticut. She married Abirhim Stoddard about 1804 in New Haven County.
Eunice died on August 22, 1855 at about age 69 years old in Seymour, New Haven County, Connecticut. She was buried in Trinity Cemetery in Seymour.
Abirhim and Eunice had five known children, Teresa Stoddard, Jonathan Stoddard, Susan Hannah Stoddard, Thomas Stoddard, and Maria Teresa Stoddard.