Rose Marie Brennan Obituary
It is with great sadness that we announce the death of Rose Marie Brennan of OFallon, Illinois, born in Collinsville, Illinois, who passed away on July 30, 2023, at the age of 86, leaving to mourn family and friends. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
She was predeceased by: her parents, George (Adele) and Kavaliunas; her sons, Thomas P. Brennan, Jr. and John J. Brennan; her grandson Jay Ryan Brennan; and her siblings, George Kavaliunas (Mary Ellen) and Mary Ann Geno.
She is survived by: her husband Thomas P. Brennan, Sr. of O'Fallon; her children, Kevin Michael "Mike" Brennan (Julia) of Collinsville and Kathleen Teresa O'Neill (Brian) of Cunningham; her sister Judy McKenna (Richard) of Cedar Hill; her grandchildren, Kevin Michael Brennan II (Yazmin), Courtney Suzanne Toti (Brian), Alicia Kathleen Brennan (Phillip Wamble), Thomas Patrick Brennan III (Michelle), Kayla Ann Boyer (Josh), Jayna Marie Brennan (Zach Cowell), Carleigh Rose O'Neill and Brennan Joseph O'Neill; her great grandchildren, Adilene, Helen and Elijah Brennan; her grandchildren, Zachary Brennan, Erik, Piper, Charli Evans, Ruby, Ben, Jack Toti, Chelsea, Madison Blissenbach, Baynee Brennan, Thomas IV, Rosalie, Shawn Brennan, Corwin Pherson, Lydia, Judah, Titus, Thea Boyer, Lane, Ella and Ava Cowell; and her great great grandchild Kinsley Evans.
Memorial donations are suggested to St. Clare Catholic School Library Fund.
