Just for some Alden sizing comparison, this is what works for me...
Brannock Device: 8E (R), between 7.5-8E (L)
Alden Barrie Last: 7E
Alden Trubalance Last: depending on the specific boot, 7D-7E (but closer to 7E)
Alden Leydon Last: 7.5E
Oak Street: 7.5E
I hope that helps a bit for reference.