Hi there Matt
Yes, there are a few WELLS burials in St John Sub Castro, Lewes, between 1900 and 1993 as shown below:
1866 February 8 Wells Ada f 0.2 136
1859 February 20 Wells Alice Maud Mary f infant
1871 March 14 Wells Ann f Union 42
1837 August 8 Wells Betsy f infant
1852 February 2 Wells Charlotte f 49
1871 October 4 Wells Daniel m 79
1855 January 4 Wells Eleanor f 1 136
1870 July 12 Wells Hannah f 75
1876 February 12 Wells Harriett f The Union 78
1882 May 3 Wells Henry m 76 OTP
1904 June 15 Wells Henry m Victoria Hospital 67 All Saints 398
1860 December 6 Wells Jane f 80
1871 August 13 Wells Joseph m 90 St Michaels
1836 April 6 Wells Maria f infant
1885 January 3 Wells Maria f 65 OTP 298
1897 January 5 Wells Thomas m 76 OTP 298
Three of them have memorial stones of which I have the transcription and a photograph i.e. No 136, 298 and 398
Let me know if they match up with any of your ancestors and I will give you the rest of the data
Chris in 1066