Research help needed please

[angrovestud]

Research help is required to find a horse my husband's family owned and won the Northuberland plate with dont know the trainer but the owner is Richard Kitching he died in 1867 and the race was first run in 1833 we have the name of the horses but not all the owners the years we dont have owners for are as follows so if anyone can help it would be fantastic and hubby is will thrilled.
1834 Fanny
1835 Satan
1836 Cyprian
1838/39 St Bennett
1840 Hetman Platott
1842 Heslington
1845 Inheritress
1850 Elthiron
1851 Neasham
1852 Stilton
1853 Kingston
1854 Grapeshot
1858/59 Underhand
1861 Joey Jones
1865 Brown Bread
1866 Rococo
Richard died in 1867 so we know he did not race then he was run over by a bull sad demise any help would be great thank you.