Horatio Gates Armstrong

Horatio Gates Armstrong (June 1, 1790 – April 6, 1858) He was the eldest of seven children born to John Armstrong Jr. and Alida (née Livingston) Armstrong (1761–1822), who married in 1789. His father served as a Continental Congressman, a U.S. Senator, U.S. Secretary of War, U.S. Minister to France.

Among his siblings was Henry Beekman Armstrong, also a soldier in the War of 1812; John Armstrong III, who became a gentleman farmer at La Bergerie; Robert Livingston Armstrong; Margaret Rebecca Armstrong (who married William Backhouse Astor Sr.); Among his Armstrong family, who were of "distinguished Scottish descent," was uncle James Armstrong, a physician who became a U.S. Congressman.

During the War of 1812, Armstrong fought on the American side, heading a company known as the Capt. Horatio G. Armstrong Co. with the 23rd Regiment Infantry. He was eventually promoted to Major.

Personal life In 1814, Armstrong was married to Baltimore native Mary Hughes (1791–1866). Mary was the youngest daughter of Margaret (née Sanderson) Hughes and Christopher Hughes, a banker and investor in real estate originally from County Wexford, Ireland. Among her siblings was older brother, Christopher Hughes (who served as the U.S. Minister to Sweden and the Netherlands), and older sister Louisa Hughes (the wife of George Armistead). Together they had three children:

John Horatio Armstrong (1815–1886), who married Caroline Amelia Scheldt (1828–1912) in 1844. Margaret Hughes Armstrong (1817–1870) Christopher Hughes Armstrong (1821–1884)

Armstrong died at his residence near Baltimore on April 6, 1858. His widow was the administratrix of his estate.