In French, name Bert means – Diminutive of Bertrand: Intelligent; Glorious raven. French form of the German Bertram, meaning bright-raven. Philosopher and mathematician Bertrand Russell. Some scholars believe the second syllable of Bertrand derived from a word meaning shield.. Other origins for name Bert include – French, German, German, English. Name Bert is most often used as a boy name or male name.