Likely a modern variation of Trenton, meaning Trents town.
Trendon is a contemporary American invention, likely created by blending the traditional English surname Trenton with the popular '-on' suffix. It shares the same root as Trenton, which originally referred to a settlement on the River Trent in England.
Less common today
Trendon isn't in the latest US Top 1000. It last peaked at #4,112 in 2008.
US births per 5-year period, 1990βpresent (SSA data).
NBA basketball player