Maureen R. Brock, a teacher in Iroquois Central Middle School, and Todd A. Sweeney, a physical education and health teacher in Maryvale High School, were married at 3:30 p.m. Friday in St. John Lutheran Church, Depew. The Rev. Michael C. Blackwell performed the ceremony. The bride is the daughter of Mr. and Mrs. Warren Brock of West Seneca and the bridegroom is the son of Mr. and Mrs. John Sweeney of Cheektowaga. A reception was given in Kloc's Blossom Grove. The bride is a graduate of Buffalo State College, which she is attending for a master's degree in education. The bridegroom is a graduate of Canisius College, where he received a master's degree in education. They will be at home in Depew after a trip to Las Vegas, Nev.