Pierce Manning Butler Young (November 15, 1836 – July 6, 1896) was an American soldier, politician, diplomat, and slave owner.

She married Mourning Stone, who was a Loyalist during the American Revolution, and helped to give refuge to Lord Cornwallis during his campaign in South Carolina.

[5][6] Promoted to colonel, he rendered brilliant service at the Battle of Brandy Station and participated in the cavalry operations of the Gettysburg Campaign.

[5][7][8] He was actively engaged during the Bristoe and Mine Run Campaigns, where on October 12, 1863, by adroit maneuvering, he compelled an enemy division to recross the Rappahannock River.

[4] An admiring Stuart reported, "The defeat of an expedition which might have proved so embarrassing entitles the officers who effected it to the award of distinguished skill and generalship.

[2] He served as consul-general at St. Petersburg, Russia (1885–87) and as Envoy Extraordinary and Minister Plenipotentiary to Guatemala and Honduras (1893-1896) by appointment of President Grover Cleveland.