| # | Office Holder | Party | Tenure |
|---|---|---|---|
| 1 | Marie Theresa Lauck | Democratic | Nov 8, 1972 to Nov 3, 1976 |
| 2 | Julia M. Porter Carson | Democratic | Nov 3, 1976 to Nov 30, 1990 |
| Vacant | Nov 30, 1990 to Dec 18, 1990 | ||
| 3 | Billie Breaux | Democratic | Dec 18, 1990 to Dec 1, 2006 |
| Vacant | Dec 1, 2006 to Dec 12, 2006 | ||
| 4 | Jean Breaux | Democratic | Dec 12, 2006 to Present |