Unknown; likely a modern phonetic diminutive or initials
The name Bb does not have a documented etymological history as a standalone name. It is most frequently used as a nickname, a stylized spelling of 'Bee', or a representation of initials. In some contexts, it may be a modern creative variation of names like Bob or Bibi.
Less common today
Bb isn't in the latest US Top 1000. It last peaked at #4,383 in 2000.
A small, spherical robot character Β· Star Wars: The Force Awakens
US births per 5-year period, 1990βpresent (SSA data).