Old Parish Records have a birth for William Bell 1853 Dumfries father Richard Bell mother Mary Gunzeon ...wrong spelling of the name ?
This looks like the same family on the 1861 Census address Nithsdale Cottages Dumfries
Mary Bell age 47 b Ruthwell Dumfries ( pauper )
Margaret Bell age 17,Charles 14,Janet 13,William 8,John 3
Reuben Child age 23 b England lodger
Rosie