Fifth; combination of Quinn and Dell
Quindell is a modern American coinage likely created by blending the Celtic-rooted Quinn with the English-rooted Dell. It may also function as a rhythmic elaboration of the Latin 'quintus', meaning fifth, following the pattern of names like Wendell or Tyrell.
Less common today
Quindell isn't in the latest US Top 1000. It last peaked at #4,356 in 1990.
American football safety
US births per 5-year period, 1990βpresent (SSA data).