Firmin from the Late Latin name Firminus which meant "firm". This was the name of several early saints, notably the 3rd-century bishop Saint Firmin (or Fermin) of Amiens who is especially venerated in Navarre, Spain.
Saintly namesake: Firminus, Bishop of Uzès, was a 6th-century bishop in France, honored as a saint for his leadership and service to the church. (October 11 · 6th century)
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Names related to Firmin through nicknames, language, or historical forms.