Supplanter
A modern spelling variant of Coby, which is a diminutive of Jacob. It ultimately derives from the Hebrew name Yaakov, referring to one who follows or replaces.
Less common today
Cobey isn't in the latest US Top 1000. It last peaked at #2,089 in 1999.
Professional soccer player
US births per 5-year period, 1990βpresent (SSA data).