Lillian is not a patron saint.
Saint Lillian is not a patron saint as per the Patron Saint Index.
She was martyred in 9th century Spain. See the link below:
saint liliian is saint of foolishness and was very very mean! she lived in spain
July 27
Lillian Palmer died in 2001.
Lillian Wilson died in 1909.
Lillian Willoughby died in 2009.
Lillian Roxon died in 1973.
Lillian Schoedler died in 1963.
Lillian Oppenheimer died in 1992.
Lillian Bassman died in 2012.