"Blend of Antonia and -isha"
The name Antonisha is commonly a female name from the "English" origin.
Antonisha is a modern American formation that first appears in United States birth records in 1980. Its form joins the Anton- root of Antonia with the -isha ending also found in names such as Tanisha and Latisha. No earlier use of the name in another language is recorded.
The pronunciation of Antonisha is an-tuh-NEE-shuh.