To flow down
A modern creative spelling of Jordan, which is derived from the Hebrew name Yarden. It refers to the Jordan River, which flows between the countries of Jordan and Israel. The name gained popularity in the Christian world after Crusaders brought back water from the river to baptize their children.
Less common today
Jourdyn isn't in the latest US Top 1000. It last peaked at #3,540 in 2018.
US births per 5-year period, 1990βpresent (SSA data).