Commodore Arthur Sinclair (28 February 1780 – 7 February 1831) was an early American naval hero, who served in the U.S. Navy during the Quasi-War with France, the First Barbary War and in the War of 1812. His three sons also served in the Navy; they resigned in 1861, however, to serve in the Confederate Navy.Sinclair was the great-grandfather of novelist Upton Sinclair, author of the novel The Jungle (1906).
Irish character actor, often in comic roles. On stage from 1904 with the Irish National Dramatic Society. Ensemble member of Dublin's Abbey Theatre for its first twelve years, until 1916. Often acted in the plays of Sean O'Casey. Films occasional, including a strong supporting role in Hungry Hill (1947).
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Brother-in-law of US-based Irish-born actress Sara Allgood.