I can find a marriage for this couple, not even for James Slawson . Any ideas

1851 Wrexham
THOMAS SLAWSON 60 general dealer b Malpas
Bridget Slawson 35 b Ireland b 1816
James Slawson 16
1861 Wrexham all born Wrexham
JAMES SLAWSON 27 sergeant in Denbighshire Militia,
Elizabeth Slawson 32
Martha A Slawson 8 mmn Strange 1853
William M Slawson 7 mmn Strange 1854
Edward T Slawson 5 mmn Strange 1855
George Slawson 3 mmn Strange 1857
Even up to 1870 there is Walter Slawson mmn Strange,
Elizabeth Slawson died aged 52 in October 1878. Newpapers.
On the 27th ult at Farndon-street, Wrexham, Elizabeth wife of James Slawson, aged 52 .