Locomotive names of the United Kingdom beginning with I

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

Name Railroad, # Builder, s/n Build date Whyte type Notes
I. T. Williams LNWR 155 Crewe 3/1917 4-6-0 Rn Sir Thomas Williams in December 1919; became LMS 5932; wd 4/1935.
Iago GWR Swindon 1852 0-6-0ST Wd 1881.
Ickenham Hall GWR 5944     4-6-0  
Ilion LNWR 526 Crewe 4537 3/1906 4-4-0 Became LMS 5238; wd 12/1928.
Illustrious LMS 5532     4-6-0  
Illustrious LNWR 150 Crewe 3/1921 4-6-0 Became LMS 6011; wd 2/1933.
Illustrious LNWR 1956   2/1902 4-4-0 Transferred to LMS; wd 1/1923.
Imberhorne LBSCR 327   12/1880 2-2-2 Wd 4/1910.
Immingham LNER 6097     4-6-0  
Impala LNER 8303     4-6-0  
Implacable LMS 5709     4-6-0  
Implacable LNWR 1915   6/1899 4-4-0 Became LMS 5114; rb 11/1923.
Impregnable LMS 5721     4-6-0  
Inchcape GWR 3430     4-4-0  
India LMS 5574     4-6-0  
India LNWR 868   6/1911 4-4-0 Became LMS 5350; rn 25350; became BR 58011; wd 5/1948.
Indomitable LMS 5720     4-6-0  
Indore LMS 5592     4-6-0  
Industry B&GR     2-4-0  
Inflexible LMS 5727     4-6-0  
Inflexible LNWR 1917   7/1899 4-4-0 Rb 8/1922; became LMS 5184.
Ingestre LMS 5945 Crewe 6/1917 4-6-0 Built as LNWR 2420; named 1/1923; wd 4/1934
Inkermann (1st) GWR GWR 1855 4-2-2 Wd 1877.
Inkermann (2nd) GWR GWR 1878 4-2-2 Wd 1892.
Intrepid LNWR 1922   2/1900 4-4-0 Rb 10/1916; became LMS 5146.
Inverness-shire LNER 329     4-4-0  
Invincible LMS 5715     4-6-0  
Invincible LNWR 1914   6/1899 4-4-0 Rb 9/1916; rn #1257 in 4/1920; became LMS 5144.
Ionic LNWR 1312 Crewe 4532 2/1906 4-4-0 Became LMS 5242; wd 11/1930.
Iris GWR Gooch 1854 0-6-0 Wd 1874.
Irish Free State LMS 5572     4-6-0  
Irish Guardsman LMS 6116     4-6-0  
Iron Duke     1985 4-2-2 Operable replica of GWR's first Iron Duke locomotive built for the GWR 150th anniversary celebrations; preserved at the National Railway Museum in York but is transported for other temporary displays.
Iron Duke BR 70014 Crewe 6/1951 4-6-2 Wd 12/1967; scr 4/1968.
Iron Duke (1st) GWR GWR 1847 4-2-2 Wd 1871.
Iron Duke (2nd) GWR GWR 1873 4-2-2 Wd 1892.
Iron Duke (3rd) GWR 3014 GWR 4/1892 2-2-2 Rb 10/1894 as 4-2-2; wd 6/1908.
Iron Duke LNWR 1903   3/1899 4-4-0 Became LMS 5110; rb 5/1924.
Ironside SR 3458     0-4-0ST  
Irresistible LMS 5710     4-6-0  
Irresistible LNWR 1916   7/1899 4-4-0 Rb 2/1919; became LMS 5155.
Isabella LNWR 403 Crewe 4/1892 2-4-0 Wd 9/1922.
Isambard Kingdom Brunel GWR 5069     4-6-0  
Iseult BR 73116 Doncaster 11/1956 4-6-0 Wd 11/1964; scr 2/1965 at Eastleigh.
Iseult SR 749     4-6-0  
Isinglass LNER 2562     4-6-2  
Isis GWR 73 Swindon c. 1896 2-4-0 Rebuilt from the former GWR #73, a 2-2-2
Isle of Jersey GWR 3284     4-4-0  
Isle of Man LMS 5511     4-6-0  
Ivanhoe GWR     4-4-0  
Ivanhoe GWR 2980     4-6-0  
Ivanhoe LNER 9339     4-4-0  
Ixion GWR FM&J 1841 2-2-2 Used for testing in the Gauge Commission trials of 1845; wd 1879.
Ixion SDR St&Sl 1853 4-4-0ST Involved in a collision with Comet on August 1, 1853; became GWR 2105 in 1876.