Free man or Frenchman
Franko is a variant of Franco, which is derived from the Germanic tribal name of the Franks. The name eventually came to mean 'free' because the Franks were the only ones in the region who enjoyed the status of free citizens.
Less common today
Franko isn't in the latest US Top 1000. It last peaked at #4,689 in 2016.
US births per 5-year period, 1990–present (SSA data).
British rapper and songwriter
Croatian Olympic swimmer
Croatian professional footballer