* It's a variation of another name: There are many names that could be similar to "Lythia" such as "Lydia" or "Lythia" which have different origins and meanings.
* It's a made-up name: Some people choose to create unique names for their children.
* It's a fictional name: It could be a name from a book, movie, or TV show.
If you could provide more context about where you encountered this name, it might be easier to determine its meaning. For example, is it a name you're considering for a child? Did you hear it somewhere?