Margaret N. Dubail, of O'Fallon, Missouri, died on Sunday, April 22, 2012, aged 79. Daughter of the late Louie D. Nash and Alta F. Nash (later Corbett), mother of Jean (Carolyn Jack) Dubail and Brad Dubail, and grandmother of 2. She is preceded in death by her brother, Everett Nash. Margaret was born in Dent County, Missouri, grew up there and in St. Louis and lived much of her life in Bridgeton, Missouri. She was a founding member of the John Calvin United Presbyterian Church, where she served as elder, youth group director and director of the church-run nursery school. After retirement, she lived for a time near Payson, Arizona, in a house she built partly with her own hands. She later returned to the St. Louis area to be close to her family. Memorials may be made to American Cancer Society.