"
Lydia" English of Greek origin meaning woman from
Lydia (an area of
Asia Minor), also has enjoyed a steady rise in popualrity since the 17th cen proably from about the time "
Les amours de Lydiam et Floriande" was published.
Cognates French:
Lydie, Polish :
Lidia, Czech:
Lida.
The other possibility is it is from the place name LYDHAM in Shropshire,Possibly meaning "at the Gates or the slopes"
Source:TONC