WHELAN – The Reverend Dennis J. ordained May 29th 1965 and entered into eternal life on December 27, 2021. Devoted son of the late John and Katherine. Loving brother of The Reverend John Whelan, Mary Daley (the late John), and Bro. Kevin Whelan, S.M. Father Whelan served in many parishes and ministries throughout the Diocese of Rockville Centre during his years of dedicated priestly service . Family will receive friends Wednesday, 2 pm – 5 pm, at the Chapel Center of St. Catherine of Sienna R.C. Church in Franklin Square, NY. Vigil Mass to be held Wednesday at 7:30 pm. Mass of Christian Burial will be held Thursday at 11:00 am. Interment to follow at Holy Rood Cemetery in Westbury, NY. Funeral Arrangements entrusted to the Charles J. O’Shea Funeral Homes in Wantagh, NY. www.osheafuneral.com