Irene Austin Hardesty, 100, a longtime church member and resident of the Washington area, died Nov. 20 at her daughter's home in Lancaster, S.C. She had Alzheimer's disease.

Mrs. Hardesty, who turned 100 on Oct. 9, was born in Chicago and raised in Detroit and Royal Oak, Mich. She graduated from Michigan State University in 1928 and taught school for one year in Michigan before she married and moved to the Washington area in 1930.

She lived in Arlington and Hyattsville before moving to Asbury Methodist Village in Gaithersburg in 1989. In 2002, she moved to South Carolina.

Mrs. Hardesty was a member of Riverdale Presbyterian Church in Hyattsville, where she was a Sunday school teacher, deacon and church officer. She was later a member of Neelsville Presbyterian Church in Germantown, where she became a deacon and elder.

She was a member of the Toaping Castle chapter of the Daughters of the American Revolution in Hyattsville, served as a teacher's aide in Gaithersburg schools, delivered Meals on Wheels and enjoyed hand-bell ringing at her churches.

Her husband of 48 years, John O. Hardesty, died in 1978.

Survivors include two children, Carolyn Murrow of Lancaster and David Hardesty of Arlington, Tex.; two brothers; five grandchildren; and three great-grandchildren.

Irene Austin Hardesty enjoyed hand-bell ringing at her churches.