Muriel FitzRoy, 1st Viscountess DaventryCBE (8 August 1869 – 8 July 1962) was a British aristocrat and the wife of Edward FitzRoy, who was Speaker of the House of Commons from 1928 until his death in 1943.
On 6 May 1943, just over two months after the death of her husband, she was created Viscountess Daventry, of Daventry in the County of Northampton, a viscountcy being the customary retirement honour for Speakers. To date, she was the last peeress to be granted an hereditary peerage.
Coat of arms of Muriel FitzRoy, 1st Viscountess Daventry
Escutcheon
Quarterly 1st & 4th per bend sinister Ermine and Ermines a lion rampant Or a canton sable for distinction (Pennant), 2nd & 3rd grand quarters quarterly 1st & 4th Argent a man’s heart Gules ensigned with an Imperial crown Proper on a chief Azure three mullets of the field 2nd & 3rd Argent three piles Gules on the two outer ones a mullet of the field (Douglas) [1]