She has/had a relationship with Gilbert Palmer.
Phebe Walworth (8TCJ-1H) & Phebe Walworth (9K5K-56) may be one and the same.
If this is so she may have been born as late as 1784.
SOURCE: Walworth - Walworth Genealogy 1689-1962 by Reginald Wellington Walworth & Family Records of Edith Eleanor Smith Patrick.
The data shown has no sources.