Magnay was created
Baronet of Postford House in the County of Surrey on 8 November 1844. He was a major in the HAC from 1845 to 1848.[2]
Magnay died at the age of 76.
Magnay was the father of
William who was a novelist.
Arms
Coat of arms of Sir William Magnay, 1st Baronet
Crest
A lion rampant Sable billety Erminois murally crowned gorged with a chain reflexed over the back and holding between the forepaws a leopard's face Or.
Escutcheon
Ermine fretty Gules on a chief per pale of the second and Azure a sword Proper pommel and hilt Or surmounting a key saltirewise the ward upwards Gold interlaced with the collar of the Lord Mayor of the City of London between two leopards' faces Erminois.
^Cokayne, George Edward (main author) and Vicary Gibbs (added author), The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct, or Dormant (1910), (New edition. 13 volumes in 14. London: St. Catherine Press,1910-), p. 1424