Rickaby is a spelling more common in Durham and Yorshire.

in 1881 659 Rick*bys of all spellings

125 Yorks, 187 Durham, 49 Northumberland, 94 Cumberland, 49 Lancs, 36 Warwickshire, 24 in London, only 3 left in Dumfries, 7 in Westmoreland mostly recorded as Ricaby.

Rickarby