The surname Polkinghorne was first found in Cornwall where the "manor of Polkinhorne belonged at a very early period to an ancient family of that name, with whom it continued until the reign of Charles II. ; when the heiress of this family married Thomas Glynn, Esq; of Helston." 
Early History of the Polkinghorne family
This web page shows only a small excerpt of our Polkinghorne research. Another 79 words (6 lines of text) are included under the topic Early Polkinghorne History in all our PDF Extended History products and printed products wherever possible.
Polkinghorne Spelling Variations
Spelling variations of this family name include: Polkinghorne, Polkingham, Polkinham and others.
Early Notables of the Polkinghorne family (pre 1700)
More information is included under the topic Early Polkinghorne Notables in all our PDF Extended History products and printed products wherever possible.
Clare Polkinghorne (b. 1989), Australian footballer, member of the Australian National Team (2006-), Brisbane Roar Captain (2007-)
The Rev Dr John Polkinghorne KBE, FRS (b. 1930), British particle physicist and theologian, Professor of Mathematical physics at the University of Cambridge from 1968 to 1979
Adam William Polkinghorne (b. 1975), Australian cricket player
Francis Polkinghorne Pascoe (1813-1893), English entomologist from Cornwall; he sailed for Australia in 1836 aboard the Buffalo, but returned later after coming into some property by the death of a relative in March 1843, settled near his property at St. Austell, Cornwall and later in London where he died suddenly on
20 June 1893