There are approximately 2,491 people named Pack in the UK. Approximately 39 out of every million people in the UKare named Pack.
"This interesting surname derives from the medieval given name "Pack", a survival of the Olde English pre 7th Century personal name "Pacca", which is only found as a placename element and appears to have died out fairly early on in the Olde English period. The medieval given name may also have derived from the Middle English "paske", Old French "pasque" meaning Easter, and would have originated as a nickname for someone who was born at Easter, or had some other particular connection with that time of year, such as owing a feudal obligation then." - The Internet surname database
Read more: http://www.surnamedb.com/Surname/Pack#ixzz4eS1nEEW0
Some of the First Packs In Adjoining Parishes, which are likely branches of our family