Lieutenant Colonel William Blacker (1 September 1777 – 25 November 1855)[1] was an officer in the Armagh Militia[2] and Seagoe Corps of Yeomanry,[3] Commissioner of the Treasury of Ireland and author.
Born in Carrickblacker House, in the Oneilland East barony in County Armagh, he entered Trinity College Dublin in the 1790s.
After earning his degree, Blacker obtained a commission in the 60th Regiment of Foot, then serving in the West Indies, on 3 July 1801, but poor health compelled him to return home.
[7] In 1816 his uncle Sir George Hill, 2nd Baronet, appointed Blacker to the Commission of the Treasury of Ireland.
"[8] Blacker authored a popular poem on military service, Oliver's Advice, originally published in 1834 under his occasional pseudonym, "Fitz Stewart.