In his autobiography Memoirs of an Irish Troubadour (2002), Liam Clancy wrote how her music inspired and influenced him and others of the folk revival period.
[citation needed] She was the subject of This Is Your Life in 1978 when she was surprised by Eamonn Andrews while filming at the National Motor Museum, Beaulieu.
Her wedding band was melted down and made into a ring to celebrate her profession of solemn vows as a member of the Benedictine Order in 1967.
[6][7] O'Hara's initial rise to a high profile was repeated in 1974 when she left the monastery for the sake of her health, found that her musical reputation had grown during her time in the cloister, and returned to performing.
The Burns Library at Boston College houses her papers and held a "Mary O'Hara" exhibition ending on 30 April 2010.
[16] O'Hara's recording of "Óró Mo Bháidín" is sampled in Passion Pit's 2008 single "Sleepyhead" and Sub Focus' song "Safe in Sound" from the album Torus.