Hi in the 1881 Census their is a John Lees Richards aged 10 in the Redruth Union Workhouse, shown as Pupil, along with many other residents is an Emily Richards aged 33 with 2 daughters Elizabeth Ann 13 and Eliza Jane 7, Emily is with Elizabeth on the 1871 shown as unmarried, if this is your John the task would seem to be finding where the Turner part of his name came from?
Census Ref for Workhouse RG11/2333/126/8
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