Supplanter
A variant spelling of Jacob, derived from the Hebrew name Ya'aqov. It traditionally refers to the biblical patriarch who was born holding his twin brother's heel, later interpreted as one who takes the place of another.
Less common today
Jacub isn't in the latest US Top 1000. It last peaked at #5,467 in 1995.
US births per 5-year period, 1990–present (SSA data).
