When Abigail Leadbetter was born on 29 October 1774, in Province of Maine, British Colonial America, her father, Increase Leadbetter III, was 25 and her mother, Elisabeth McCurdy Calderwood, was 20. She married James Lane Senior on 29 January 1794, in Winthrop, Kennebec, Maine, United States. They were the parents of at least 4 sons and 7 daughters. She died on 28 March 1848, in Fayette, Kennebec, Maine, United States, at the age of 73, and was buried in Fellows Cemetery, Fayette, Kennebec, Maine, United States.