Martin P. Keegan of Sun Lakes, AZ (formerly of West Islip, New York). Devoted husband of Susan J. Loving father of Kelly Keegan Blavatt (Jeffrey), Ashley Keegan Rose (RJ) and Ryan Keegan. Dear Pop Pop of Keegan Rose, Brody Rose, Addison Rose, Jackson Blavatt and Carter Blavatt. Beloved son of the late Joseph and Genevieve Keegan. Funeral Mass of Christian Burial will be held Friday August 13, 2021 10:30 a.m. at the Chapel of St. Dominic R.C. Church. Interment to follow at  St. Charles Cemetery.  In lieu of flowers donations may be made to: https://act.alz.org/site/TR/ActiveEvents/NY-NewYorkCity?px=12254511&pg=personal&fr_id=15164