Hi if you look for Benjamin b 1821 They rounded the ages up and down in 1841 census
1841
Benjamin Billingham Male 20 1821 Staffordshire, England
Charlotte Billingham Female 20 1821 Staffordshire, England
Mary Billingham Female 0 1841 Staffordshire, England
William Morton Male 25 1816 Staffordshire, England
Fanny Morton Female 20 1821 Staffordshire, England
“You know you’re getting old when you stoop to tie your shoelaces and wonder what else you could do while you’re down there.” ― George Burns