Patrick Geraint 'Jamie' Jameson was born in Wellington, New Zealand on November 10 1912. Jameson was educated in Lower Hutt in New Zealand before taking up employment as an assurance clerk.

He learned to fly at the Wellington Aero Club in 1933 before leaving New Zealand in the January of 1936 to join the RAF. He completing his flying training in January 1937 and was posted to No 46 Squadron.