As a girl's name this is a pet form of Jacqueline, as in the case of Jackie Kennedy Onassis (1929–94). It was originally a boy's name, a pet form of Jack. The racing driver Jackie Stewart (b. 1939) was originally named John Young Stewart.
Italian: from the personal name Albano (see Alban). It could also be a habitational name from any of the places called Albano, for example near Rome, Potenza, and Bergamo, or for someone from a place named Alba (from an adjectival form of the place name), of which there are various examples.