Sheila M. Boos, née Quigley, 91, died Feb. 6, 2026.

Sheila graduated from Derham Hall in 1952 and St. Catherine University in 1956. She and George raised their family in Great Falls, Mont., and Roseville. Sheila was a volunteer with many social service groups, including The Guild of Catholic Women and Catholic Charities.

She was preceded in death by her parents, James and Grace Quigley; her brothers, the Rev. James Quigley, S.J., and John Quigley; and by her husband, George, and son James Boos. She is survived by her children Mary Harrah (Neal), Jean Boos, Catherine Higgins (Doug); sister Rita Quigley; and five grandchildren.

Mass of Christian Burial was celebrated at St. Cecilia Catholic Church. Memorials preferred to St. Paul’s Monastery in St. Paul or The Advocates for Human Rights in Minneapolis.