Dorothy Ann Sigman, age 90, of Centerville, passed away on Tuesday, September 13, 2011. Dorothy is survived by her son and daughter-in-law: Kevin (Betsy) Sigman of Chesterfiled, MO; brothers: Tom & Larry Smith of Dayton; sister: Jeanne McEwan of St. Louis, MO; and numerous nieces, nephews, family members and friends. She was preceded in death by her husband: Burley Sigman; and brothers: Robert, Hugh, James & Kenneth Smith. Dorothy was a long time member of the St. Leonard Community in Centerville. A Mass of Christian burial will be said at 1:30 pm on Friday, September 16, 2011 at St. Leonard Faith Community, 8100 Clyo Road, Centerville. Interment will follow Mass at Calvary Cemetery in Kettering. The family will receive friends, at the church on Friday from 12:30 pm until time of Mass. In lieu of flowers contributions may be made to the charity of one's choice in memory of Dorothy.