Sr. Mary D. O’Connor, OP, formerly known as Mary de Montfort O’Connor, died Feb. 5 at the Dominican Life Center in Adrian. She was 84 and in her 67th year in the Adrian Dominican Congregation.

Sr. O’Connor was born in Paterson, N.J., to George and Gertrude (Patton) O’Connor. She graduated from St. Augustine High School in Kalamazoo and received degrees from Siena Heights College (University) in Adrian.

Sr. O’Connor ministered for 63 in education in Illinois and Michigan. In Michigan, she taught at the Dominican Learning Center in Adrian from 1975-77, and served from 1986-87 as manager of the PAL Program in Adrian.

Sr. O’Connor is survived by loving nieces and nephews. Mass of Christian Burial was Feb. 8 in Adrian. Burial is in the Congregation cemetery.