Birth record: Pille, Isabelle Catherine, daughter of Polynice Simon and
Olympe Marie Smith, female, white, born 02/05/1868
[Orleans Parish Birth Record Index: Volume #47, Page #219]
Noted living with husband [William J. Gautier] in 1900 Federal Census: Orleans Parish, Louisiana -- Roll T623/572, Image #646, Enumeration District #61, Precinct #4, New Orleans, Ward #6, Sheet #13A, House #220, Family #238 (Dupre St.), enumerated June, 1900, by James Willog.
Noted living with husband [William Gautier] in 1910 Federal Census: Orleans Parish, Louisiana -- Roll T624/521, Image #847, Enumeration District #95, Precinct #5, New Orleans, Ward #6, Sheet #5B, House #81, Family #93 (Marais St.), enumerated April 19, 1910, by Oscar Troberg.
Noted as head of household in 1920 Federal Census: Orleans Parish, Louisiana -- Roll T625/620, Image #393, Enumeration District #100, Precinct #4, New Orleans City, Ward #6, Sheet #3B, House #66, Family #67, enumerated January 3, 1920, by Geo. Toledano.
| House # | Family # | Name and Surname | Relation | Gender | Age | Condition | Where Born | Father Born | Mother Born | Occupation |
| 66 | 67 | William J. Gautier [Mrs.] | Head | Female | 48 | Widow | Louisiana | France | Louisiana | |
| 66 | 67 | Irwin S. Gautier | Son | Male | 32 | Single | Louisiana | Louisiana | Louisiana | Real Estate Agent |
| 66 | 67 | Odette Gautier | Daughter | Female | 20 | Single | Louisiana | Louisiana | Louisiana | (unable to read) |
| 66 | 67 | Yvonne Gautier | Daughter | Female | 18 | Single | Louisiana | Louisiana | Louisiana | Secretary - Dentist |