1. Czech form of Lydia [q.v.] from the Greek place-name in Asia Minor, signifying "a woman from Lydia".

2. Czech pet name for Lidmila [q.v.] from Old Slavonic "people" + "favour".

3. Italian feminine form of Lido.

A correspondent [GD²] reports that there are several men of Italian extraction with the name Lido in Canada but the origin is not certain.  It seems most likely that it is a reference to the beach and island on the outer side of the Venice lagoon.  Lida is the feminine version.