Born in Dublin, Ireland on June 10, 1839 he came to the United States. He professed his vows on October 9, 1868 in Pittsburgh, Pennsylvania. He was ordained on May 25, 1872 at St. Michael’s Monastery, West Hoboken, New Jersey by Bishop James R. Bayley of Newark. In 1878 he was elected master of novices and in 1884 was elected rector of St. Michael’s Monastery, West Hoboken, New Jersey. He then resigned as rector and went to the mission in Argentina from New York on January 27, 1887. On the way he went first to Rome and England. He finally arrived in Argentina on May 20, 1887. For some period of time he was an assistant to Father Fidelis Kent Stone, C.P. When Stone left Argentina to return to the United States, Father Colclough succeeded him as superior of Holy Cross. There he started to build a church though he did not get to see it finished. During his nine years in Buenos Aires, Argentina he did extensive work with the Irish who lived there. He died suddenly on April 14, 1896 as a result of typhoid fever. His loss was lamented in the Standard of Buenos Aires and other publications.
June 10, 1839
October 9, 1868
May 25, 1872
April 14, 1896
Constantine of the Sorrowful Virgin Colclough