William Voysey on Rackenford Tithe map in 1839, web site is www.devon.gov.uk/historicenvironment/tithemap
Witheridge also on there, but 3 lots to look at so will leave it to you.
occupiers names are listed, plus the owners of land
no guarantee of extended details if they were lodging with other family.
National Archives site has a couple of entries for Voysey of Rackenford pre 1841