Definition of sullivans:
(n) :
A city, the county seat of Moultrie County, Illinois, United States.
(n) :
A city, the county seat of Sullivan County, Indiana, United States.
(n) :
A surname from Irish
(n) :
A placename.
(n) :
Ellipsis of Sullivan County. [One of 92 counties in Indiana, United States. County seat: Sullivan. Named after Daniel Sullivan.]