Barrel maker or pine tree
Keefer is primarily an Americanized surname of Germanic origin. It likely derives from 'Kiefer', which can refer to a cooper (barrel maker) or a pine tree. As a first name, it gained minor visibility in the late 20th century due to its association with the surname of actor Kiefer Sutherland.
Fewer than 5 boys were named Keefer in 2025.
US births per 5-year period, 1990–present (SSA data).
Emmy-winning actor known for the series 24
