I am a IIIrd, the third person down my male line with the same first, middle, and last name
I'm the 5th with our exact initials, too
One time, while applying for college, I was told I'd already used my GI bill allotment back in '55. Uh..... That was grandpa, and he died over 30 years before I was born, how did you mix us up?!?!
(Also, I was never in the military and this was entirely irrelevant to me they just brought it up as something I couldn't do)
Call and ask
I did so for my Adderall during the shortage and quickly learned that every local pharmacy within 50 miles are run by terrible people :)