Narrow, slender, or a wedge
Keil is a name with dual roots. In its Germanic origin, it refers to a 'wedge,' often used as a metonymic occupational name for a maker of wedges or a woodcutter. In its Gaelic or Irish context, it is a variant of Kyle, derived from 'caol,' meaning narrow or a strait of water.
Fewer than 5 boys were named Keil in 2025.
US births per 5-year period, 1990–present (SSA data).
All-American softball pitcher
American actor and producer
