HENRY, William Alexander, Canadian jurist, born in Halifax, Nova Scotia, 30 December, 1816. He was educated at the high school, Halifax, studied law, and was admitted to the bar in November, 1840. In 1841 he was elected a member of the Nova Scotia assembly, in which he sat for many years. He was an unsuccessful candidate for the Canadian parliament in 1867 and 1869. He has been mayor of Halifax, became a member of the provincial executive council in 1849, and subsequently held office three times as solicitor-general, and was also provincial secretary and attorney-general. He took a prominent part in the question of the union of the British American provinces, was a delegate to Great Britain on public business in 1858 and 1865, and in the winter of 1866 took part in an unsuccessful negotiation for the continuance of the reciprocity treaty between Great Britain and the United States. He was a delegate to the Charlotte-town union conference and to that of Quebec, and in July, 1866, with the delegates from Canada, Nova Scotia, and New Brunswick, met in London and adopted a scheme of union for submission to the home government, which was adopted. He was a judge in the trial of election cases in Nova Scotia in 1874, and was appointed a judge of the supreme court of Canada in October, 1875. He was instrumental in securing measures for the protection of the Canadian fisheries, in establishing a complete system of telegraphs for Nova Scotia, and in publishing the revised statutes of that province.