Raithby Family History
Raithby Surname Meaning
From Raithby in Raithby cum Maltby (Lincs), which is recorded as Reitheby in 1200, or Raithby by Spilsby (Lincs), which is recorded as Rathebi in 1170–80.
Raithby in Raithby cum Maltby probably derives from the Old Scandinavian personal name Hreithi + Old Scandinavian bȳ ‘farmstead village’.
Raithby by Spilsby derives from the Old Scandinavian personal name Hrathi + Old Scandinavian bȳ.
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
