Son of Jan or Son of John
A patronymic surname of Dutch and Germanic origin, Janssen literally translates to 'son of Jan'. Jan is the low-German and Dutch form of John, which ultimately derives from the Hebrew name Yochanan, meaning 'God is gracious'.
Less common today
Janssen isn't in the latest US Top 1000. It last peaked at #5,815 in 1992.
US births per 5-year period, 1990–present (SSA data).
A character in the Tintin universe · The Adventures of Tintin
A character in the video game series Suikoden · Suikoden
