- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
Ada is a city in and the county seat of Pontotoc County, Oklahoma. The population was 16,810 at the 2010 census.
Ada is an Oklahoma Main Street City, an Oklahoma Certified City, a Tree City USA member, and a National Weather Service StormReady Community.
The city was named after the daughter of an early settler and was incorporated in 1901. Ada is home to East Central University.