Thanks Geoff.
That fits with son Alexander:
possible
1841
Piece: SCT1841/424 Place: Dunfermline -Fife Enumeration District: 17
Civil Parish: Dunfermline Ecclesiastical Parish, Village or Island: Dunfermline
Folio: 0 Page: 13
Address: New Row
Surname First name(s) *** Age Occupation Where Born Remarks
STEWART Peter M 20 Fife
STEWART Sarah F 20 Fife
STEWART Margaret F 11m Fife
GROUNDWATER Robert M 15 Taylor Outside Census County (1841)
1871
Civil Parish: Dunfermline Burg
Address: Woodmilll Street
Peter Stewart Head 54 Manufacturer weaver employing 2 men Dunfermline
Sarah Wife 56 Dunfermline
Peter son 25 Reporter Dunfermline
John son 26 Linen weaver Dunfermline
Thomas son 21 Bast [Boot] and shoemaker Dunfermline
Christian dau 14 Factory worker Dunfermline
Alexr son 9 Dunfermline
Peter STEWART & Sarah BROWN
Marriage: 25 May 1839 Dunfermline, Fife
Please see if you can find them in 1861 and 1851. And I'll have another look since FreeCEN has 100% coverage of Fife in 1851.
Thanks.
Dave