Priscilla as a girls’ name is pronounced pris-SILL-ah. It is of Latin origin, and the meaning of Priscilla is “ancient, venerable”. Biblical: a first-century Christian missionary. Priscilla was a favored name with the Puritans of England. Longfellow gave the name to the heroine of his poem, “The Courtship of Miles Standish”.
http://www.thinkbabynames.com/meaning/0/Priscilla

