Civil Registration Indexes (Births)
Probably:

Priscilla Hayter, reg. 4th quarter of 1908, Headington, Oxfordshire, England.
Priscilla Blanche Hayter, reg. 4th quarter of 1909, Salisbury, Wiltshire, England.

Priscilla Hayter, born 05 October 1908, was baptised in the church of St. Philip and St. James in Oxford, Oxfordshire, England on 23 November 1908. Her parents were William Goodenough Hayter and Alethea Hayter. Her marriage to Trevylyan Michael Napier was registered in Newbury, Berkshire, England during the third quarter of 1931. She resided with her husband and mother in Tavistock, Devon, England in 1939. Her death was registered in West Surrey, England in October 1998.

Priscilla Blanche Hayter, born 16 October 1909, was baptised in the Wesleyan Methodist Circuit in Salisbury, Wiltshire, England on 13 February 1910. Her parents were Edwin George Hayter and Sarah Hayter. She was married to Alfred Henry Luffman in the Christ Church in Sidcup, Kent, England on 30 July 1932. Her death was registered in Gravesend, Kent, England in May 1984.