Mary Paulina Finn (January 1, 1842-February 28, 1935), known to the literary world by her pen name, M. S. Pine, was a Roman Catholic nun at the Georgetown Visitation Monastery in Washington, DC.

[1] Known as Sister Paulina, she was a playwright, poet, and author, and she headed the school's English Department for 50 of her 68 years at Visitation.

[2] Besides her own accomplishments, Sr. Finn fostered the careers of Agnes Repplier, Eleanor Mercein Kelly, and of Harriet Monroe, founder of Poetry.

[7][8] Her book about John Banister Tabb was positively reviewed by Frank Lebby Stanton, the first poet laureate of Georgia.

William J. Finn, C.S.P., director of the Paulist Choristers, performing annually at the Metropolitan Opera and regularly on television.