Cadeillan

Cadeillan is a Welsh surname. It is derived from the personal name Cadell, a common given name in medieval Wales. The suffix "-an" is a diminutive form, suggesting "little Cadell" or "descendant of Cadell."

The name Cadell itself is thought to originate from the Welsh elements cad meaning "battle" or "war," and ell which is uncertain in its precise meaning, possibly relating to value or skill. Therefore, Cadell could potentially be interpreted as "skilled in battle" or "valuable in war."

As a surname, Cadeillan indicates lineage or association with an ancestor named Cadell. The surname is primarily found in Wales, although individuals bearing the name may be found elsewhere due to migration and dispersal. Historical records containing variations of the name offer insights into its evolution and distribution.