Fr T.J. Linane, From Abel to Zundolovich, Vol. 2: Biographies of Priests on the Australian Scene up to 1900, 1980, p 133:

Delahaye, Jules, SM, French, Visitor
Cyclone Victim
Jules was born in the Cambrai Diocese on 4 March 1836 and received profession as a Marist on 1 January 1960. He passed through Sydney on the way to Samoa in 1864. A random Directory search shows that he was on Upola Island in 1880. Part of his missionary career was spent in the U.S.A. The end was tragic. He died in Samoa on 25 March 1883, being struck by a falling beam in a cyclone as he was leaving his church. He had just consumed the Blessed Sacrament, apparently sensing danger. He died in less than an hour after being struck. The age was 47. The information comes from Fr John Hosie, Marist Historian, Sydney; and from the Melbourne Advocate of 29 September 1883.
(Footprints, Vol. 3, No. 7)

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Fr. Michael Fitzgerald, SM and Fr. François Grossin, SM, Alive in Memory: A Biographic Necrology of Oceania Marist Province 1836-2011, 4th edition, Suva, 2011, pp 67, 296:

Fr. Jules Delahaye, d. 1883
Samoa
He was born in Nord, France in 1836. He was professed in the Society in 1860. After spending three years in colleges at St. Chamond and Montluçon, he arrived in Sydney in 1863, at the age of 27. For a short time he taught at Bishop Bataillon's seminary at Clydesdale near Sydney. He then went to Samoa and took charge of founding a new station at Lealatele. He also worked at Lotofaga and on the island of Vava'u before returning to Lealatele in 1880. It was there that on Easter Vigil night a very strong hurricane came. He went to the church and consumed the Blessed Sacrament. He had no sooner done that when the church collapsed on top of him and he was killed. He was 47 years of age.