Denis P. O'Sullivan
June 24, 1946 - April 13, 2026
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Denis P. O'Sullivan Obituary
O’Sullivan, Denis P. “Dinny” of Williston Park, New York. Born in Ahilmore, Kealkill Ireland. Passed away on April 13, 2026. Beloved Husband of the late Elizabeth. Devoted Father of Chrisdina Peters (Mike). Loving Grandfather of Michael and James Peters. Active member of The Mineola Irish American Center, Saint Aidan’s RC Church, Williston Park, NY and Volunteer at St Francis Hospital. Visitation will be held at Weigand Bros Funeral Home 49 Hillside Ave., Williston Park, NY on Sunday April 19, 2026 from 3-7 pm. Funeral Mass Monday, April 20, 2026 at 11:15am Saint Aidans RC Church. Burial Queen of Peace Cemetery.
O’Sullivan, Denis P. “Dinny” of Williston Park, New York. Born in Ahilmore, Kealkill Ireland. Passed away on April 13, 2026. Beloved Husband of the late Elizabeth. Devoted Father of Chrisdina Peters (Mike). Loving Grandfather of Michael and James Peters. Active member of The Mineola Irish American Center, Saint Aidan’s RC Church, Willisto