I don't know about cleaning up errors, but here are four with the name Theophine LeBouef:
Theophine Le Boeuf
United States Census, 1910
birth:
1900
Louisiana
residence:
1910
Police Jury Ward 3, Acadia, Louisiana, United States
Theophine Leboeuf
Canada Census, 1871
birth:
1826
Q
residence:
1871
East Ward, Montreal Centre, Quebec, Canada
The following results don’t strongly match what you searched for, but may be of interest.
Theophine LeBouef Beaugh
Find A Grave Index
birth:
22 June 1865
death:
5 October 1895
burial:
1895
Church Point, Acadia Parish, Louisiana, United States of America
Theophine LeBouef Doucet
Find A Grave Index
birth:
8 May 1899
death:
9 January 1989
burial:
1989
Church Point, Acadia Parish, Louisiana, United States of America