From France or free man
Fransisca is a feminine variant of Franciscus. It historically refers to someone of French origin or, more broadly, to the concept of a 'free' person, derived from the Germanic tribe of the Franks.
Less common today
Fransisca isn't in the latest US Top 1000. It last peaked at #9,321 in 1990.
Brazilian actress and model
American-born Chilean singer and songwriter
Dominican actress and TV host
US births per 5-year period, 1990βpresent (SSA data).