Family History and Genealogy Resources by Surname
Parsall Surname Origin
(Locality). Park-hall, the same as Parshall. Parcell may be from par-ciel, 'by heaven,' a name given for the same reason as the preceding one.
Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.
Parsall Surname Meaning and Family Facts
There is more to Parsall family history than the origin of your surname:
A Parsall Family History Thought:
'If man cares not for his roots, then how can he care for his branches?' --Doyle M Davis