O’Keefe, Catherine, of Hauppauge, NY on April 22, 2016 at the age of 90. Beloved wife of the late Robert W. O’Keefe, Sr. Loving mother of Robert W. (Kelli) O’Keefe, Jr., Kathleen (William) Sager, & James O’Keefe. Dear grandmother of Brandon, Ryan & Tara Sager, Kerri, Daniel & Jack O’Keefe. Mass was celebrated at St. Patrick R.C. Church, Smithtown, NY. Interment followed at L.I. National Cemetery, Farmingdale, NY. In Lieu of flowers, memorial donations may be made to; Smithtown Senior Center, 420 Middle Country Road, Smithtown, NY 11787. Arrangements entrusted to the professional care of Branch Funeral Home of Smithtown and Vigliante family. Online guest book at www.branchfh.com