The reports at 6abc (from AP) and at nbcphiladelphia say merely "Philadelphia native". She was born July 23, 1928 in Philadelphia [1] and moved from there to D.C. at age ten [2].
[1]: https://jwa.org/encyclopedia/article/rubin-vera-cooper (which lists a few references that I am not going to look up right now)
[2]: http://www.marciabartusiak.com/uploads/8/5/8/9/8589314/spins...