Mary Lou Sullivan

Obituary for Mary Lou Sullivan

December 30, 1939 - December 25, 2020
Buffalo Grove, Illinois | Age 80


Mary Lou Sullivan, age 80, of Buffalo Grove, has left this earth to continue her journey to Heaven on December 25, 2020.

She was born on December 30, 1939, in Chicago the daughter of Theodore and Marguerite Koulback. On April 23, 1960, she married Joseph Sullivan, in Chicago, IL.

Caring mother of Deborah (Lawrence) Shepard, Maureen (Richard) Staab, Catherine Mary, Karen, Jeanne, Joseph Jr. (Michelle), Judith (Stephen) Lawn, Mary Lou, and Sharon (Shaun) Malott; loving sisters-in-law to Sharon (Thomas) Grego and Karen Sullivan; loving brothers-in-law Dr. John B. Watson and William (Joyce) Sullivan. She was blessed with 22 grandchildren, 6 great-grandchildren, and many nieces, nephews.

She is preceded in death by her husband, Joseph and son, John; her parents; siblings, Peggy Hull, Theodore Koulback and Kathleen Murray; sisters-in-law Marie Gartlan, Mary Jean Koulback, Rita Watson and brothers-in-law Martin Murray, Martin Sullivan and James Sullivan.

The Funeral Mass will be on Wednesday, December 30th at 10:30 AM at The Church of Holy Apostles, 5211 Bull Valley Rd., McHenry. Visitation will be private.
For those wishing to view Mary Lou's Mass via Live Stream, please go to The Church of Holy Apostles webpage

In lieu of flowers memorial donations may be directed to Church of Holy Apostles.

Due to current restrictions everyone attending will be required to wear a mask at all times and follow social distancing protocol.

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Colonial Funeral Home & Crematory

591 Ridgeview Drive
McHenry, IL 60050
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