Strange they only had 2 children 10 years apart.
Maria KENNEDY Married Thomas ROBSON, 5 Feb 1834, St John the Baptist, Newcastle upon Tyne,
Northumberland.
Witnesses, Mary Yarrow/Thomas Dodd.
1851 Census
Newcastle upon Tyne, Northumberland
Thos Robson, 43
MARIA Robson, 36, born Sheffield*******
Jane Ann Robson, 15
Robt Henry Robson, 10
Mary E Robson, 8
Thos M Robson, 6
George Robson, 3
Harriet Robson, 1
As you probably know the 3 youngest Children are with their Uncle William in 1861 Census.