The name Tribeca is a girl's name . Tribeca and is often added to lists like New York Neighborhood Names and discussed in our forums with posts like "Heritage Legacy Dice Game (round 6)".
From the experts:
Tribeca was the term created for New York City's TRIangle BElow CAnal Street. Stangely enough--that aside--it almost does sound like a plausible girls' name, nicknamed Becca.