Hi Wendy
There are several of the 1170 memorials stones in St Mary's Churchyard, Horsham that bear the Mitchell / Michell surname.
The inscription record that I have was done in the 1950's , commissioned by the then Horsham Urban Council - but it is very basic in the information they wrote down.
No 183, MITCHELL Lucy, Wife of John and daughter of Hugh & Elizabeth Orlton
No 447, MITCHELL Edward, son of Samuel and Phoebe - 1822
No 448, MITCHELL Samuel, son of the above - 1833
No 449, MITCHELL Harriet, wife of Isac - 4th August 1850, and daughter Ann - 1847
No 460, MICHELL Sarah - 1777, Thomas - 1798 = a footstone
No 734, MICHELL Dr (or Drew) Michell - 1800 (rest illegible)
No 735, MITCHELL Sara Harriet, daughter of George and Harriet 1802 (rest illegible)
No 919, MITCHELL John, son of Edward and Catherine - 1813 (or 1815) aged 66
No 1146, MITCHELL Matthew, 2nd November 1880 aged 65 years
Hope the above will be of some use to you
Chris in 1066
NB - When the church decided to build a 2 million pound extension (Vestry) in 2003, I was commissioned to survey, transcribe and record all the the tombstones that they would be moving to accomplish same.
One of the stones was No 460 as listed above, and hopefully I have attached picture of same - please notice how much my transcription differes from the 1950's work
In
Memory of Sarah
Wife of Thomas Michell
Who died July the 10th 1777
Aged 53 years
Also Thomas Michell
Who died 8th October
1798
Aged 72 Years