Hi doktorb

From the Census birth years of the children, it seems likely the family was in Ireland between at least ca1857 (dau Mary Theresa) and ca 1863 (dau Catherine) and certainley back in Prestron Lancs by abt 1868 (dau Sarah) ? They appear on the 1871, 1881 and 1891 in Lancashire, England.
Probable
1851: 33 Lune Street,Preston, LancashireHO107 / Piece: 2266 / Folio: 158 / Page: 31
Head John JOHNSTON 27, Cork Manufacturer, b Preston
Wife: Ann 30, b Fulwood Lancs
Children: William 4, Thomas, James 1 - all born Preston
Servant: Mary Ann HUBBERTY? 18, unm, House Servant, b Preston
App: Will'm SCHOFIELD 18, unm, Apprentice, b Chester, Cheshire
Possible (and William & Catherine did have a daughter Ellen b abt 1860 Ireland)
1841: Parish of St Bridget, City of Chester, CheshireHO107 / Piece 129 / Book: 1 / Folio: 16 / Page: 27
Ellen SCHOFEILD 50, Charwoman - N
Peter SCHOFEILD 12, - N
Wm SCHOFEILD 8 - Y
/
Ann FARRADY 30 - N
Joseph FARRADY 13 - N
Wm FARRADY 1 - Y
Any idea what Catherine's maiden name was?
Cheers
AMBLY