Found her on the 1880 Sheldon, Allen, Indiana census (img 34) age 32, keeping house.
Found her on the 1900 Wayne, Allen, Indiana census (dist 38 img 9) age 29, widow, living with her son Harry
She married John Austin
under the name of Louisa Feighner
. She was previously married to William Feighner
on March 12, 1864 in Huntington, Huntington, Indiana, who died June 21 1864. There were no children of this marriage. - Civil War Pension Record, National Archives.