Locomotive names of the United Kingdom beginning with O

Steam locomotives operated in the United Kingdom with names beginning with O.

Name Railroad, # Builder, s/n Build date Whyte type Notes
Oakley Grange GWR 6823     4-6-0  
Oakley Hall GWR 5936     4-6-0  
Oberon LMS 25277     4-4-0  
Ocean LMS 5730     4-6-0  
Octavia GWR     0-6-0  
Ogmore Castle (1st) GWR 5080 GWR Swindon 5/1939 4-6-0 Renamed Defiant in January 1941.
Ogmore Castle (2nd) GWR 5056   6/1936 4-6-0 Renamed Earl of Powis in September 1937; withdrawn November 1964.
Ogmore Castle (3rd) GWR 7007   7/1946 4-6-0 Renamed Great Western in January 1948; withdrawn February 1963
Ogmore Castle (4th) GWR 7035   8/1950 4-6-0 Withdrawn August 1965.
Oliver Cromwell BR 70013 Crewe 6/1951 4-6-2 Wd 8/1968; preserved at Great Central Railway.
More information: Great Central Railway.
Olton Hall GWR 5972     4-6-0  
Olympus GWR     0-6-0  
Ontario LMS 5554     4-6-0 Became BR 45554
Orient Line SR 21C8     4-6-2  
Orion GWR     2-2-2  
Orion LMS 5691     4-6-0  
Orion SDR     4-4-0ST  
Ormonde LNER 2556     4-6-2  
Orpheus GWR     0-6-0  
Orson GWR     0-6-0  
Osborne SR 19     0-4-4T Operated on the Isle of Wight
Oscar GWR     2-4-0  
Osiris GWR     0-6-0  
Osiris (1st) SDR     4-4-0ST  
Osiris (2nd) SDR     4-4-0ST  
Ostrich GWR     2-2-2  
Ostrich GWR     2-4-0  
Ostrich GWR     2-4-0T  
Ostrich SDR     4-4-0ST  
Otho GWR     2-4-0  
Ottawa GWR 3399     4-4-0  
Overton Grange GWR 6879     4-6-0  
Ovid GWR     4-4-0ST  
Owen Glendower BR 70010 Crewe E479/220 5/1951 4-6-2 Wd 9/1967; scr 1/1968.
Owl SDR     0-4-0WT  
Oxford GWR     0-6-0  
Oxfordshire LNER 253     4-4-0