Born Nancy Marie Geipe in Baltimore, she was the daughter of Anna Theresa Croghan and Joseph Norman Geipe, founder of a moving firm. She was raised on Briarclift Road in Hunting Ridge and was a 1941 graduate of the Institute of Notre Dame. She earned a bachelor's degree in education from the College of Notre Dame of Maryland and a master's in education administration from Villanova University.
She entered the School Sisters of Notre Dame in 1943 and was given the name Mary Martha.
In 1948, she began teaching at St. Jane Frances de Chantal School in Riviera Beach and later taught at St. Mary of the Assumption in Govans. In 1960, she became principal at St. Michael School on Wolfe Street.
Sister Martha returned to Riviera Beach in 1961 as a teacher and principal. She later taught junior high subjects at St. Mary School in Annapolis, St. Benedict in Southwest Baltimore and Madonna Elementary School in Baltimore. She joined the faculty of Archbishop Keough High School in 1980.
Sister Martha became pastoral ministry coordinator for St. Charles Borromeo Church in Pikesville in 1984 and remained in parish ministry there for 16 years.
In 2000, she became a volunteer assisting the sisters in her religious order. She and her sibling, Sister Jane Frances Geipe, also a member of the School Sisters, were drivers and companions to sisters living at Villa Assumpta.
In addition to her sister, survivors include two brothers, Joseph Geipe of Glyndon and Larry Geipe of Cockeysville; and three other sisters, Katherine Stump of Parkville, Patricia Peach of Catonsville and Peggy Brinker of Silver Spring.
A Mass of Christian burial was offered Dec. 28 at the Villa Assumpta Chapel.