Vernacular form of the biblical Sara (“Sarah”). The word kala has also multiple meanings in Hawaiian.
Proper noun 
- A female given name, occasionally also given to men.
- Mary Kawena Pukui - Samuel H. Elbert, Hawaiian Dictionary, University of Hawaii Press 1971, page 186
- Hawaii State Archives: Marriage records Kala (which also stands for Kalā) occurs in 19th century marriage records as the only name (mononym) of 29 women and 20 men.