Louisa Barnes was born 10 November 1802 in Warwick, Franklin County, Massachusetts, United States to Willard Barnes (1766-1849) and Dolly Stevens (1768-1851) and died 8 September 1880 Beaver, Beaver County, Utah, United States of unspecified causes. She married Addison Pratt (1802-1872) 3 April 1831 in Dunham, Quebec, Canada.
Children
| Name | Birth | Death | Joined with |
| Ellen Saphronia Pratt (1832-1895) | 6 February 1832 Ripley, Chautauqua County, New York, United States | 8 August 1895 Garden Grove, Orange County, California, United States | William Henry McGarry (1834-1906) J.M. Coombs (c1828-) |
| Frances Stevens Pratt (1834-1909) | |||
| Lois Barnes Pratt (1837-1885) | 6 March 1837 Ripley, Chautaugua County, New York | 9 March 1885 Snowflake, Navajo County, Arizona | John Hunt (1833-1917) |
| Ann Louisa Pratt (1840-1924) | 6 April 1840 Clay County, Indiana | 1 April 1924 | Thomas Tillman Willis (1841-1900) |
Siblings
Residences
Footnotes (including sources)