I voted for Benjamin because I like both Benjamin and Ben. I like Thomas as well, goes with your girl names. But personally I don't care for "Tommy" as a nn.
Married 2007 - DH & I: 39
DS #1: Sept 2011
TTC #2 January 2015: BFP 8/1/2015, MC 8/27/2015
Surprise BFP 6/28/17... Chemical pregnancy confirmed: 7/2/2017 TTC #2 again: July 2017
Re: Narrowing down the boys list
Samuel is OK. I absolutely love Henry but it is SO popular right now. FWIW Henry would be my #2 if it was less popular.
In order:
Thomas
Benjamin
Theodore
Henry
Samuel
Baby #2 Due 3/7/20
TTC #2 again: July 2017