Canadian rabbi; born in Montreal May 22, 1853; eldest son of Abraham de Sola (No. 23). His theological studies were pursued chiefly under the direction of his father, whose assistant he became in 1876. Meldola de Sola's election as his father's successor in 1882 checked the movement for Reform in his own synagogue.
In 1898 he was appointed the first vice-president of the Orthodox Convention in New York, and he was one of the committee of three that drew up its "Declaration of Principles." At the conventions held in 1900 and 1903 he was elected first vice-president of the Union of Orthodox Jewish Congregations of the United States and Canada, and chairman of the Committee on Presentations of Judaism. In the latter capacity he issued in 1902 a protest against the Central Conference of American Rabbis for discussing the transfer of the Sabbath to the first day of the week. De Sola has written voluminously in the Jewish press in defense of Orthodoxy.