Bernard
"Bold and durable as a bear.” Based on the Teutonic bero (bear) and hart (bold, hardy).
Bernardine
The feminine form of Bernard. Bernard refers to the boldness and hardiness of a bear.
Bernadette
“The courageous little one.” A Teutonic feminine diminutive of Bernard. The name is glorified in St. Bernadette,the canonized maiden who saw a vision of the Virgin Mary at Lourdes, France.