I'm not convinced by the information I have on Peter Gill's ancestors. Most of it comes from OneWorldTree.

In his 1851 household were resident:
Ann, Wife, 58yo, born Aysgarth;
Peter Gill, Son, 32yo, unm, born Aysgarth;
Christopher Gill, Son, 25yo, unm, born Ingleton;
Margaret Gill, Daughter, 21yo, unm, born Ingleton;
James Gill, Son, 19yo, unm, born Ingleton;
and also:
Ann Downs, Granddaughter, 11yo, born Ingleton;
John Gill, Grandson, 8yo, born Ingleton;
Jane Gill, Granddaughter, 3yo, born Ingleton.

In his 1841 household were resident:
Ann Gill, 45yo;
Peter Gill, 20yo;
William Gill, 20yo;
Elizabeth Gill, 15yo;
Christopher Gill, 15yo;
Thomas Gill, 13yo;
Margaret Gill, 11yo;
James Gill, 9yo;
and also:
Anthony Downs, 20yo, mar;
Ann Downs, 20yo, mar;
Ann Downs, 1yo;
Elizabeth Downs, 9mo;

Information about his baptism and family comes from GenesReunited tree of Kenneth Wilkinson.