No luck so far finding them in 1841.
Was Henry Pattison 1818 Elsdon, Williams Son?
1841 he is in Washington, Durham;
Henry Pattison 24 Ag Lab
Sarah Pattison 28
Thomas Pattison 2
Garvin Pattison 8 mths**
**Only last child born in Durham
Maybe William/Elizabeth are in Durham also.
Have you figured out how Phoebe Brown nee Murton is the Neice of William or Elizabeth?
I presume you know her Parents were James Murton and Jane nee Brown