Cooper or barrel maker
Derived from the German surname Kiefer, which originated as an occupational name for a maker of barrels or casks. It may also be linked to the German word for pine tree in some regional contexts. In English-speaking countries, it is primarily used as a rare and modern-feeling first name.
About 6 boys were named Keifer in 2025.
US births per 5-year period, 1990–present (SSA data).
Emmy-winning actor known for the series 24
Professional basketball player
