William Richard O'Byrne, A Naval Biographical Dictionary… (1849)
“ PROMOTIONS AND DEATHS. FROM ‘THE NAVY LIST,’ JULY, 1849. PROMOTIONS. Vice-Admiral of the Red Sir John Acworth Ommanney, K.C.B., to the rank of Admiral of the Blue, 4th May, 1849. Rear-Admiral of the Red Hon. Donald Hugh Mackay, to the rank of Vice-Admiral of the Blue, 4th May, 1849. Rear-Admiral of the Red Sir Francis Mason, K.C.B., to the rank of Vice-Admiral of the Blue, 4th May, 1849. Rear-Admiral of the Red Thomas Brown, to the rank of Vice-Admiral of the Blue, 8th June, 1849. Captain George Ferguson, to the rank of Rear-Admiral of the Blue, 4th May, 1849. ”
