Supplanter
A modern phonetic spelling variant of the Hebrew name Jacob. It is derived from the name Ya'aqov, which traditionally refers to one who follows or 'supplants' another, famously referencing the biblical patriarch who was born holding his twin brother's heel.
Less common today
Jaecob isn't in the latest US Top 1000. It last peaked at #7,709 in 1999.
US births per 5-year period, 1990βpresent (SSA data).