<P> Mary Margaret `` Peggy '' Wood ( February 9 , 1892 -- March 18 , 1978 ) was an American actress of stage , film and television . She is best remembered for her final screen appearance as Mother Abbess in The Sound of Music ( 1965 ) , for which she was nominated for an Academy Award and a Golden Globe Award . </P>
<P> Mary Margaret `` Peggy '' Wood ( February 9 , 1892 -- March 18 , 1978 ) was an American actress of stage , film and television . She is best remembered for her final screen appearance as Mother Abbess in The Sound of Music ( 1965 ) , for which she was nominated for an Academy Award and a Golden Globe Award . </P>
who played reverend mother in sound of music
who played reverend mother in sound of music
Mary Margaret `` Peggy '' Wood
Mary Margaret `` Peggy '' Wood