Fr. Mark O’Neill was the second pastor of the Sacred Heart of Jesus Roman Catholic Church, Williamstown, Dauphin County, Pennsylvania. He served from 1875 to 1887.
During his tenure he had a one room structure built that was dedicated on August 22, 1875. Final completion occurred on June 20, 1885.
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This portrait and text were featured in the commemorative book published for the centennial of the Sacred Heart of Jesus Roman Catholic Church, Williamstown, 1875-1975 For availability of copies of this book, contact the Williamstown Historical Society.
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