Katherine Ann was born on April 14, 1937, in St. Louis, the first of three children of Albert and Veronica (Boesch) Wildt. She was educated by Precious Blood Sisters at St. Stephen Protomartyr School and at St. Elizabeth Academy.

She came to the Sisters of the Most Precious Blood after her junior year of high school. She was received into the novitiate on July 25, 1955, and was given the name Sister Mary Brigid. She professed first vows on Aug. 10, 1957.

Sister Katherine Ann earned both a bachelor’s and master’s degree in English at Creighton University in Omaha. Always thirsting for knowledge, she availed herself of every opportunity to learn, including a summer of study in England. Sister Katherine Ann eagerly shared her love of learning. She taught elementary grades in Missouri at St. George and Holy Family in St. Louis and at Assumption in south St. Louis County. She also taught at St. Joseph and St. Richard in Omaha, Nebraska, and St. Mary and St. Peter in Quincy, Illinois.

She served in secondary education at St. Elizabeth Academy and St. Mary’s High School in St. Louis and St. Mary’s Academy in O’Fallon. At the college level, she was an instructor and professor at Saint Louis University, St. Mary’s College of O’Fallon and Missouri Valley College in Marshall. After her retirement from full-time teaching, she tutored students at St. Margaret of Scotland School in St. Louis.

Sister Katherine Ann was preceded in death by her parents and her brother-in-law, Augustine Sansone. She is survived by her brother and sister-in-law, Albert and Edwardine Wildt; by her sister, Loretto Sansone; and by nieces and nephews.

Burial will be in the convent cemetery.