Lillian is a part of Baldwin County in Alabama. It is an unincorporated area, which means that the people are not subject to the laws of the local municipal corporation.
The King of Spain sent colonists to Alabama. While the land surrounding Lillian was designed as a resort location, more practical establishments were placed in Lillian. For example, a school, hotel, and post office were established there.
Lillian, Alabama, was named after Lillian Kee, the daughter of a postmaster (source).