by Menke (guest)
12/19/2004, 7:39 AM
FIRMIN
Gender: Masculine
Usage: French
Pronounced: feer-MEN [key]
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From the Late Latin name Firminus which meant "firm". This was the name of several early saints.
the above states that Firmin is a French firstname and that there are several saints bearing this name. Therefore this surname might be a patronym from France that reached the United Kingdom.