Rearsby, in the East Goscote Hundred of Leicestershire, comes from the Old Norse male personal name Hreiðarr and the Old Norse element by ‘farm, settlement’. The personal name here might be the same as that in Rotherby, Leicestershire.
This object is related to
Find out about Rearsby, Leicestershire.
Image © Alan Murray-Rust, via Geograph, CC BY-SA 2.0
Barrie Cox, The Place-Names of Leicestershire. Part Three: East Goscote Hundred. English Place-Name Society Volume LXXXI (2004), p.197.