Battle or spirit of the battle
Cadel is a Welsh name derived from the Old Welsh word 'cad' meaning battle. It is often considered a diminutive form of Cadell, a name borne by several early Welsh kings and saints. The name suggests a courageous or spirited nature rooted in ancient Celtic history.
Less common today
Cadel isn't in the latest US Top 1000. It last peaked at #5,021 in 2012.
Australian professional racing cyclist and Tour de France winner
King of Seisyllwg in the 9th century
US births per 5-year period, 1990βpresent (SSA data).