Neighbors say his father is a doctor, his mother a real estate agent and former town trustee.
He died on 18 January 1870, leaving over £80,000 to the town trustees of Sheffield so that it can be used for the public.
Ultimately, the plans need to be approved by town trustees and state and Federal officials who are to help pay for the move.
Underwood served as town trustee and county auditor until 1823.
The town trustees say they would welcome any comments on the scheme.
He died suddenly on 18 January 1870, leaving over £80,000to the town trustees of Sheffield for public use.
Most beaches are owned by the town trustees under colonial patents.
The following August 4, he signed over the deed to the town trustees.
But when he did, he worked as a lobsterman and was elected a town trustee.
Lafayette Miller ran a butcher shop and was a town trustee.