Somersworth, New Hampshire
From Ancestry.com Wiki
Somersworth is a town in Strafford county, New Hampshire. It was formed in 1754 and has gone by the following other name/s: Dover. For more information, contact the county at 157 Main St., Somersworth 03878. On the attached map, Somersworth is shown as 12 in Strafford.
For information about the state of New Hampshire see New Hampshire Family History Research.