BRENNAN, Thomas M. on October 11, 2021 of Sound Beach, New York. Formerly of Shirley. Beloved husband of Kathleen A. Brennan. Loving father of Thomas Jr., Conlin, Delaney and the late Kieran. Cherished brother of Patricia Tiabbi, Maureen Bannon, Karen Hines, Maryellen Figueroa and John Brennan. Memorial Visitation Thursday, October 14, 2021 from 2-4 and 6-8 pm at the O.B. Davis Funeral Homes, 1001 Route 25A, Miller Place, New York. Memorial Mass will be held on Friday, October 15, 2021, 10 am at St. Louis de Montfort R.C. Church, Sound Beach.