The Sproat family are Liverpudlians . John Sproat’s father John, married Christine Johnson at – – – – in
John Snr was the son of
Nanna Sproat’s Johnson family emigrated from Ireland and have a long noble history.
Detailed in these charts :
http://www.genealogy.tom-thornton.ca/tng-genealogy/surnames100.php?tree=JohnsonDriscoll1