Dierdre Pretus Long, passed away peacefully on Tuesday, August 27, 2019 at the age of 72. She was preceded in death by her parents, Hersilie France Pretus and Ralph Joseph Pretus, Sr. She is the beloved wife of 45 years of William M. Long, M.D. She is the loving mother of Michael W. Long (Debra). She is the devoted grandmother of Katie Long, and William Long, II. She is the cherished sister of Ralph Pretus, Jr. (Lisa). She is also survived by her niece, Lisa Ebarb (Brian); and nephews, Jonathan Pretus (Julia) and Brian Pretus (Catherine); other family and friends. Born on July 21, 1947, Dierdre was a native of New Orleans. She attended Mount Carmel Academy, and Southeastern Louisiana University. She served as the President of the Jefferson Parish Medical Society Auxiliary, as well as being Treasurer, Recording and Corresponding Secretary; Chairman of AMA/ERF and Family Health; liaison with interns and residents’ wives, historian, and editor of the “Auxiliary Beeper” newsletter. She served as President of the Jo Ellen Smith, F. Edward Hebert, Meadowcrest Hospitals’ Auxiliary, and was on the Auxiliary Board of the Hospitals and Volunteers at Meadowcrest Hospital as well as having worked in the Meadowcrest Hospital gift shop for many years. She was an active member of the Women’s Guild of the New Orleans Opera Association as docent, conducting tours of the Guild Home, a member of the Board of Governors, Corresponding Secretary, and Guild Home Vice President. She served on the Committee for the Mad Hatter’s Ball for many years and played the Cheshire Cat to Spud McConnel’s Mad Hatter. She was a member of the Fine Arts Club and Amici. She was a licensed tour guide for the City of New Orleans, a member of the English Speaking Union, world traveler, and avid stick shift instructor of Z cars. She enjoyed singing, making up songs, listening to music, playing cards, Poker Keno, and Mexican Train Dominoes, with her grandchildren and friends. A loving wife, mother, and grandmother, she will be greatly missed by all who knew and loved her. Relatives and friends are invited to attend a Visitation on Tuesday, September 3, 2019 from 6:00 PM until 8:00 PM at Mothe Funeral Home, 2100 Westbank Expressway, Harvey, LA. Family and Friends are then invited to attend Visitation on Wednesday, September 4, 2019 beginning at 11:00 AM followed by a Funeral Mass at 1:00 PM all at St. Cletus Catholic Church, 3600 Claire Avenue, Gretna, LA. Interment Westlawn Memorial Park Cemetery, Gretna, LA.