William L. Chiarelli of Syosset, NY on May 23, 2021. Devoted husband of Patricia. Loving father of William (Caren), Susan (Frank) and Laura (Tommy). Cherished grandfather of Christina, Annalise, Ashley, Tyler, Alexia, Cole and Luke and great grandfather of Liam, Maeve and Daisy. Dear brother of Palmina, Patrick, Anthony and the late Margaret. Also survived by many loving nieces and nephews.      Visiting will be at the Francis P. DeVine Funeral Home on Wednesday May 26, 2021 from 4pm-8pm. Mass of Christian Burial will be Thursday at 9:45am at St Edward's Church Syosset, NY.  Interment to follow at Queen of Peace Cemetery in Old Westbury.       In lieu of flowers, family requests donations be made in William's name to St. Jude Children's Hospital.