Paul Freiherr Vay de Vaya (also spelled Dévay) was born 4 August 1735 in Gyöngyös Hungary and died 24 December 1800.
He served in the Habsburg military, as a Major General, from 11 June 1794 – 19 April 1794, and was promoted to Feldmarschall-leutnant in February 1799.
He retired in 1799, and died a year later.
He fought in the Rhine Campaign of 1796, and participated at the Battle of Schliengen and the Siege of Hüningen.