Louisa Kirwan Thiers (née Capron; 2 October 1814 — 17 February 1926) was an American verified supercentenarian. She was born as Louisa Capron in Whitesboro, Oneida County, New York. Her parents were Seth (a Revolutionary War veteran) and Eunice Capron. Eunice was 47 when Louisa was born. She had four older brothers and one older sister. In the 1830s, she and her family moved to Kenosha, Wisconsin. She moved to Milwaukee in 1850. At 106, she could still read and write letters by hand.