He was born in Kassel the eldest son of Prince Frederick Johann of Saxe-Meiningen (1861-1914) and Countess Adelaide of Lippe-Biesterfeld (1870–1948).
His father was a son of Georg II, Duke of Saxe-Meiningen and his mother a daughter of Count Ernst of Lippe-Biesterfeld.
After the war he resumed his law studies and for a time served as a substitute judge for the town of Hildburghausen in the Free State of Thuringia.
Georg, who served as a major in the Wehrmacht died in the Russian prisoner of war camp near Cherepovets (Tscherepowetz in German) in Northern Russia.
His heir was his second and only surviving son Prince Frederick Alfred who renounced the succession, being a monk in 1953, allowing it to pass to his uncle Bernhard.