Greatest
Maxin is a rare variant of the name Maxim or Maximus. It derives from the Latin word 'maximus', which was used as a title of honor for successful military commanders and later became a popular given name.
Less common today
Maxin isn't in the latest US Top 1000. It last peaked at #8,717 in 2013.
US births per 5-year period, 1990βpresent (SSA data).