Oak

The surname Oak was first found in Somerset where Oake is a village and civil parish that dates back to before the Norman Copnquest when it was listed as Acon in 897. Their name comes from having lived near a notable oak tree or near a group of oaks. The surname Oak is derived from the Old English word ac, which means oak. The surname Oak belongs to the class of topographic surnames, which were given to people who resided near physical features such as hills, streams, churches, or types of trees.