Zachary Thomas O'Brien, known as "Big Zac", was born on November 8, 1963 to the late Erma O'Brien and Robert Oliver in Oxford, North Carolina. He completed his education at Dewitt Clinton High School in the Bronx, NY. Thereafter, he embarked on a life that was most precious to him as a father, grandfather, brother, uncle and friend. Zac was well loved for his kindness and friendliness in the community. Zachary departed this life on April 12, 2021 and leaves to cherish fond memories: five sons, Zachary II, Linzell, Julio, Kelvin and Justin; four grandchildren, Zoey, Linzell, Dimencio and Amare; one brother, Anthony O'Brien; one sister-in-law, Sayeeda; one daughter-in-law, Kathy; as well as a host of nieces, nephews, family and friends. Lovingly submitted by The Family