4-2-2 (1851 - 1884) Lucan (Roman personality: Lucan) GWR Bogie class 4-4-0ST (1855 - 1872) Lucifer (Roman mythology: Lucifer) GWR Fire Fly class 2-2-2 (1841 - 1870) Lucretius (Roman personality: Lucretius) GWR Bogie class 4-4-0ST (1854 - 1872) Luna (Roman mythology: Luna) GWR Standard Goods 0-6-0 (1863 - 1880) Lynx (Fast animal: Lynx) GWR Fire Fly class 2-2-2 (1840 -1870) SDR Eagle class 4-4-0ST (1859 - 1876) M Magi (Classical peoples: Magi) GWR Standard Goods 0-6-0 (1856 - 1879) Magpie (Bird: Magpie) CCR 4-4-0T (1861 - 1872) SDR 4-4-0ST (1872 - 1889) Mammoth (Powerful animal: Mammoth) GWR Pyracmon class 0-6-0 (1848 - 1873) Mars (Roman mythology: Mars) GWR Mather, Dixon 2-2-2 (1840 - 1840) GWR Fire Fly class 2-2-2 (1841 - 1868) Mazeppa (Literature: Mazeppa) GWR Fire Fly class 2-2-2 (1841 - 1868) SDR Eagle class 4-4-0ST (1859 - 1885) Medea (Greek mythology: Medea) GWR Fire Fly class 2-2-2 (1842 - 1873) Medusa (Greek mythology: Medusa) GWR Fire Fly class 2-2-2 (1842 - 1864) Melling GWR Hawthorn class 2-4-0 (1865 - 1877) GWR Hawthorn class 2-4-0T (1877 - 1892) Mentor (Greek mythology: Mentor) GWR Fire Fly class 2-2-2 (1841 - 1867) Mercury (Roman mythology: Mercury) GWR Mather, Dixon 2-2-2 (1839 - 1843) GWR Fire Fly class 2-2-2 (1841 - 1865) Meridian GWR Sun class 2-2-2 (1840 - 1870) Mersey (Geography: River Mersey) GWR Standard Goods 0-6-0 (1857 - 1879) Meteor (Speed: Meteor) GWR Sun class 2-2-2 (1840 - 1864) SDR Comet class 4-4-0ST (1851 - 1881) Metis (Greek mythology: Metis) GWR Standard Goods 0-6-0 (1855 - 1877) Midas (Greek mythology: Midas) GWR Standard Goods 0-6-0 (1854 - 1875) Miles GWR Sir Watkin class 0-6-0T (1866 - 1888) Milo (Roman personality: Titus Annius Milo) GWR Fire Fly class 2-2-2 (1841 - 1866) Minerva (Roman mythology: Minerva) GWR Standard Goods 0-6-0 (1853 - 1877) Minos (Greek mythology: Minos) GWR Fire Fly class 2-2-2 (1841 - 1870) Mogul (Leader of people: Mogul) GWR Metropolitan class 2-4-0T (1862 - 1872) Mole (Geography: River Mole) NDR 2-2-2 (1855 - 1870) Monarch (Leader of people Monarch) GWR Standard Goods 0-6-0 (1853 - 1879) Moose (Animal: Moose) GWR Prince class 2-2-2 (1846 - 1870) Morning Star GWR Star class 2-2-2 (1839 - 1869) Mosquito (Insect: Mosquito) GWR Metropolitan class 2-4-0T (1862 - 1877) Murdoch (Famous engineer: William Murdoch) GWR Hawthorn class 2-4-0 (1865 - 1892) Myrtle (Flower: Myrtle) GWR Metropolitan class 2-4-0T (1864 - 1873) N Napoleon