By way of further confirmation...
1841 Crosby Garrett, Westmorland
HO 107/1156/16 folio 7 page 8
"Potts"
John Longstaff, 39, farmer
Margret, 34
George, 15
Elizabeth, 11
William, 9
Ann, 5
Anthony, 3 <13?>
John, 4 months
All recorded as born in the County of Westmorland (except Margret)