Family name origins & meanings
- Southern Italian (Calò) : from the personal name Calò, from Greek kalos ‘beautiful’, ‘good’.
- Southern Italian : habitational name from Calò in Sicily.
- Galician : habitational name from a place in A Coruña province, Galicia, called Calo.
- possibly also Catalan (Caló) : habitational name from El Caló, a place in Mallorca.