Rieger, Irvin J. March 4, 2013, fortified with the Sacraments of Holy Mother Church. Beloved husband for 66 years of Alice Rieger (nee Corcoran); dear brother of Jeanette Pidcock (the late Max) and Joan Litzau (the late Charles); predeceased by parents Frank and Frances (nee Jansen) Rieger. Our dear brotherin-law, uncle, great-uncle, cousin and friend to many. Irv was a charter member of the Knights of Columbus Incarnate Word Council 9981 and St. Louis Assembly 565 4th degree and member of the Honor Guard. Services: Mass will be celebrated 10 a.m. Monday, March 11, 2013 at Incarnate Word Catholic Church, 13416 Olive Blvd., Chesterfield, MO 63017. Visitation Sunday 4-8 p.m. at O'SULLIVANMUCKLE MORTUARY, 13996 Olive Blvd., Chesterfield, MO 63017. Knights of Columbus Honor Guard will assemble at 7:00 p.m. Sunday evening at the funeral home. Interment Calvary Cemetery.