Mary E Mueller, "Sis" - passed away peacefully on November 14th, 2023.  Born in Chicago, IL.  Spent her nursing career working at Children's Memorial Hospital caring for sick children.  Lifelong parishioner of St. Benedict's Parish.  Loving daughter of the late Walter and Mary Mueller; devoted Sister of Walter "Wally" Mueller;  preceded in death by sister Charlotte (Dan) Sugrue, brother Benjamin "Ben," Dorothy Mueller and sisters in law  Elizabeth "Betty" Mueller and Nina J Mueller;  loving aunt, great aunt and great great aunt to many.  Visitation at St. Benedict Church on Saturday from 10 a.m. until time of Mass at 11 a.m.  Interment private.  Arrangements by Cooney Funeral Home 847-685-1002 www.cooneyfuneralhome.com