Bertrand

Derived from the Germanic elements beraht meaning "bright" and rand meaning "rim (of a shield)". From an early date it has been confused with BERTRAM and the two names have merged to some degree. A famous bearer was English philosopher Bertrand Russell (1872-1970).

• Ernst Förstemann, Altdeutsches namenbuch (1900), page 294
  

A Series of Unfortunate Events characters, currently out of the US top 1000, light, philosophers, surnames