Joncas Family History
Joncas Name Meaning
French (southern): topographic name from Occitan jouncas ‘place where there is an abundance of rushes reeds’ (ultimately derived from Latin juncus ‘rush reed’); or a habitational name from (Le) Joncas the name of several places in the southwestern part of France. This surname is very rare in France. Compare Junco .
Source: Dictionary of American Family Names 2nd edition, 2022