The following information is transcribed from "The Naval History of Portsmouth" and the "The Illustrated History of Portsmouth" by William Gates. The earliest references to a Port Admiral are from 1695 when Captain Wishart was reputedly appointed and 1697 when "Sir George Rooke ... came to Portsmouth to take command." On 1st July 1969 the post of CinC Portsmouth was merged with that of CinC Plymouth to become CinC Naval Home Command.
1714-1730 - Captain Sir Isaac Townshend
1730-1744 - Captain R. Hughes
1748-1750 - Rear-Admiral Sir Edward Hawke, K.B.
1755-1756 - Admiral H. Osborn
1756 - Admiral The Hon. E. Boscawen
1756-1757 - Admiral H. Osborn
1757 - Rear-Admiral Sir Edward Hawke, K.B.
1757 - Captain Philip Durrell
1758 - Admiral Thomas Brodrick
1758 - Rear-Admiral Sir Francis Holburne
1758 - Vice-Admiral Sir Edward Hawke, K.B.
1758 - Rear-Admiral Sir Francis Holburne
1758 - Rear-Admiral Philip Durrell
1759 - Rear-Admiral Lord Rodney
1759-1760 - Rear-Admiral Sir Philip Durrell
1761-1766 - Vice-Admiral Sir Francis Holburne
1766-1770 - Rear-Admiral Sir John Moore, Bart.
1770-1771 - Vice Admiral Francis Geary
1771-1774 - Vice-Admiral Thomas Pye
1774-1777 - Vice-Admiral Sir James Douglas
1777-1778 - Vice-Admiral Sir Thomas Pye
1778-1786 - Vice-Admiral John Montagu
1786-1789 - Rear-Admiral the Right Hon. Samue1, Lord Hood,
1789-1792 - Vice-Admiral Robert Roddam
1792-1793 - Vice-Admiral The Hon. Samuel, Lord Hood
1793-1799 - Admiral Sir Peter Parker, Bart.,
1799-1803 - Admiral Mark Milbanke
1803 March 16 - Admiral Lord Gardner
1803 June 8 - Admiral George Montagu
1809 Jan. 24 - Admiral Sir Roger Curtis, Bart.
1812 May 20 - Admiral Sir Richard A. Bickerton, Bart.
1815 April 28 - Admiral Sir E. Thornbrough
1818 May 15 - Admiral Sir George Campbell
1821 January 31 - Admiral Sir James H. Whitshed, K.C.B.
1824 March 26 - Admiral Sir G. Martin, G.C.B.
1827 April 17 - Admiral the Hon. Sir Robert Stopford, K.C.B..
1830 April 23 - Admiral Sir Thomas Foley, G.C.B.
1833 Jan. 23 - Admiral Sir Thomas Williams, G.C.B.
1836 March 28 - Admiral Sir Philip C. H. Durham, G.C.B.
1839 April 12 - Admiral the Hon. Charles E. Fleming
1839 November 22 - Admiral Sir Edward Codrington, G.C.B.
1842 Dec - Admiral Sir Charles Rowley, Bart.
1845 Sept - Admiral Sir Charles Ogle, Bart.
1848 September - Admiral the Hon. Sir T. Bladen Capel, K.C.B.
1851 September - Admiral Sir Thomas Briggs, G.C.M.O.
1852 December - Admiral Sir Thomas J. Cochrane, K.C.B.
1856 Jan - Admiral Sir Geroge F. Seymour, K.C.B.
1859 March - Admiral William Bowles, C.B.
1860 March - Admiral Sir Henry W. Bruce, K.C.B.
1863 March - Admiral Sir Michael Seymour, G.C.B.
1866 March - Admiral Sir Thomas S. Pasley, Bart.
1869 February - Admiral Sir James Hope, G.C.B.
1872 March - Admiral Sir Rodney Mundy, K.C.B.
1875 March - Admiral Sir George Elliot, K.C.B.
1878 March - Admiral Edward G. Fanshawe, C.B.
1879 November - Admiral Alfred P. Ryder.
1882 November - Admiral Sir Geoffrey T. Phipps Hornby , K.C.B.
1885 Nov - Admiral Sir George 0, Willes, K.C.B.
1888 June - Admiral Sir John Edmund Commerell V.C., G.C.B.
1891 June - Admiral the Right Hon. Richard James, Earl of Clanwilliam. K.C.B.
1894 June 22 - Admiral Sir Nowell Salmon. V.C.
1897 August 3 - Admiral Sir M. Culme-Seymour
1900 October 3 - Admiral Sir Charles P. Hotham.
1903 August - Admiral Sir John A. Fisher
1905 March 2 - Admiral Sir Archibald L. Douglas
1907 - Admiral Sir D.H. Bosanquet, G.C.V.O., K.C.B.
1908 - Admiral Sir A.D. Fanshawe, G.C.V.O., K.C.B.
1910 - Admiral the Hon. Sir A.G. Curzon-Howe, G.C.V.O., K.C.B., C.M.G.
1911 - Admiral Sir Arthur W. Moore, G.C.V.O., K.C.B., C.M.G.
1912 - Admiral the Hon. Hedworth Meux, G.C.B, K.C.V.O.
1916 - Admiral the Hon. Sir Stanley Colville, G.C.V.O., K.C.B.
1919 - Admiral Sir Cecil Burney, Bart., G.C.B., G.C.M.G.
1920 - Admiral the Hon. Sir S.A. Gough, G.C.B., G.C.M.G., C.V.O.
1923 - Admiral Sir Sydney R. Fremantle, K.C.B., M.V.O.
1926 - Admiral Sir Osmond De B. Brock, K.C.B., K.C.M.G.
1929 - Admiral Sir Roger Keyes Bart., K.C.B., K.C.V.O., C.M.G., D.S.O., LL D., D.C.L.
1931 - Admiral Sir A.K. Waistell