Eugene Michael Brennan “Cosmo” 89, died Thursday, November 21, 2019 at home in Chicago Illinois following a brief illness. Son of the late Eugene and Marcella Brennan. Loving brother to The is late Robert(Diane) Brennan. Loving father to Michelle(Tom) Wallace, the late Eugene “Duke” Brennan,the late Suzanne Brennan, Cathy Kelly, Michael(Michelle) Brennan, Caren (Eric) Schneider ,Patrick (Beth) Brennan and Terrance Brennan. Adored grandpa to Scott, Ben, Katie, Megan, Colleen, Mallory, Marissa, Carey, Michael, Katelyn, Zachery, Sean, Erin and McKenzie. Loving great grandpa to Eli, Madeleine, Connor, Harper and Brady.
He was many things over the years; movie theater usher, Navy SeaBee in Korea, tavern keeper (and patron), Operating Engineer for 399, tax preparer and a massive dog lover often just randomly barking. He was a intelligent, wise, witty, funny, charming man. In his later years he was a happy Floridian who loved the pool. He will be greatly miss and was loved by many. Cheers to you Dad,