Subjects of historical plaques - O
L'orologio della Torre
(1614-present)
(1614-present)
Richard Baptist O'Brien
(1809-1885)
(1809-1885)
Kate O'Brien
(1897-1974)
(1897-1974)

James Bronterre O'Brien
(1805-1864)
(1805-1864)
Andrew O'Connor
(1874-1941)
(1874-1941)
Frank O'Connor
(1903-1966)
(1903-1966)
Rev Brian S. O'Gorman
(1910-1991)
(1910-1991)

Joseph O'Mara
(1864-1927)
(1864-1927)

Eugene O'Neill
(1888-1953)
(1888-1953)
Brian O'Nolan
(1911-1966)
(1911-1966)
Sir George Oatley
(1863-1950)
(1863-1950)

Barack Obama
(1961-present)
(1961-present)

Michelle Obama
(1964-present)
(1964-present)
George Odger
(1813-1877)
(1813-1877)
Old Dock Offices
(1820-present)
(1820-present)

Georg Ohm
(1789-1854)
(1789-1854)

Martin Ohm
(1792-1872)
(1792-1872)
Old Bank House
Old Bridge Inn, Ripponden
(1307-present)
(1307-present)
Old Chesil Rectory
(1450-present)
(1450-present)
The Old Court House
(d.1888)
(d.1888)
The Old House
(1650-present)
(1650-present)
Old Sarum House
(1730-present)
(1730-present)
Old Slaughters Coffee House
Old Students' Association, University College London
(1890-present)
(1890-present)
The Old Tolsey
(d.1788)
(d.1788)
Old Turn Junction
The Oldest Chemist's Shop
(1720-1997)
(1720-1997)

Margaret Oliphant
(1828-1897)
(1828-1897)
Franz Oliven
Ida Oliven
Thomas Oliver
Percy Lane Oliver
(1878-1944)
(1878-1944)
Charles Olson
(1910-1970)
(1910-1970)

Amelia Opie
(1769-1853)
(1769-1853)

E. Phillips Oppenheim
(1866-1946)
(1866-1946)
Selma Oppenheim
The Oratory School, Reading
Ordnance Survey
(1747-present)
(1747-present)
Edward Orpin
Joe Orton
(1933-1967)
(1933-1967)
Samuel Osborn
(1826-1891)
(1826-1891)
Thomas Osbourne

Sir Dr William Osler FRS FRCP 1st Baronet
(1849-1919)
(1849-1919)
Overhangs
Operation Overlord
(1944)
(1944)

Wilfred Owen MC
(1893-1918)
(1893-1918)
Elsie Jeanette Oxenham
(1880-1960)
(1880-1960)
Oxfam
(1947-present)
(1947-present)
Oxney's Gate
(d.1776)
(d.1776)