List of chief mechanical engineers of the Great Western Railway

Great Western Railway
Engineer to the Great Western Railway
 * Isambard Kingdom Brunel (1833-1837)

Locomotive Superintendent
 * Daniel Gooch (1837–1864)
 * Joseph Armstrong (1864–1877)
 * William Dean (1877–1902)
 * George Jackson Churchward (1902–1915)

Chief Mechanical Engineer
 * George Jackson Churchward (1915–1921)
 * Charles Collett (1922–1941)
 * Frederick Hawksworth (1941–1947)

Northern Division Locomotive Superintendent
 * Joseph Armstrong (1854–1864)
 * George Armstrong (1864–1892)

British Railways (Western Region)
Mechanical and Electrical Engineer
 * Kenneth J Cook (1950–1951)
 * Robert A Smeddle (1951–?)

Constituent companies

 * Birkenhead Railway
 * John Dixon
 * T A Yarrow
 * Rendell
 * William Bragge
 * George Douglas (1851–1860)


 * Bristol and Exeter Railway
 * Charles Gregory (1849–1850) (Chief Engineer)
 * James Pearson (1850–1875)


 * Cornwall Minerals Railway
 * Miles Constatine


 * Llanelly Railway
 * Joseph Hepburn
 * Robert Hepburn


 * Llynvi and Ogmore Railway
 * J Routledge


 * Monmouthshire Railway
 * W Craig (1849–1854)
 * R Laybourne (1854–1868)
 * H Appleby (1868–1875)


 * Rhymney Railway
 * Thomas Clements (1858–1862)
 * Matthew Mordue (1862–1863)
 * John Kendall (1863–1869)
 * John Canty (1869–1884)
 * Richard Jenkins (1884–1906)
 * Charles T. Hurry Riches (1906-1922)


 * Shrewsbury and Birmingham Railway
 * William Marlow (1849–1853)
 * Edmund Petre
 * Joseph Armstrong


 * Shrewsbury and Chester Railway
 * A M Ross (Engineer)
 * Thomas Truss (Carriage Superintendent)
 * Edward Jeffreys
 * Joseph Armstrong (1853–1854)


 * South Devon Railway;
 * Frederick Gooch (1850–1864)
 * Joseph Wright (1864–1876)


 * Taff Vale Railway
 * B. S. Fisher (1869–1873)
 * Tom Hurry Riches (1873-1911)
 * John Cameron (1911–1922)


 * Vale of Neath Railway
 * Joshua Williams (1851–1865) (General Manager)


 * West Cornwall Railway
 * Skater
 * H Appleby
 * Joseph Wright (South Devon Railway Locomotive Superintendent)


 * West Midland Railway
 * Edward Wilson (1860–1863)


 * Newport, Abergavenny and Hereford Railway
 * Mark Carr (1854–1858)
 * Alexander McDonnell (1858–1860)


 * Oxford, Worcester and Wolverhampton Railway
 * David Joy (1852–1856)
 * Frederic Haward (1856–1857)
 * Edward Wilson (1857–1860)