Francis X. DeNeckere, SJ (1810-1879) was born on February 2, 1810. He entered the Society of Jesus in 1844. Along with his brother Hippolyte, he left the Belgian Province and immigrated to the United States. Fr. DeNeckere began serving on the mission at Conewago, Pennsylvania in 1849. In 1859, he moved to the Jesuit outpost in Frederick, Maryland, where he taught Latin and Greek. He moved once again in 1860, this time to Newtown, Maryland. In 1862, Fr. DeNeckere returned to Conewago and tended to Littlestown and McSherrystown. He was transferred in 1863 to Holy Trinity Church in Boston. Francis X. DeNeckere, SJ died on January 8, 1879 in Littlestown, Pennsylvania.
[Source: "Woodstock Letters" volune 15, page 10].