Meijer Cohen was a son of Wolf Cohen and Keetje Cohen. He married 27 October 1937 in Amsterdam to Esther van Buuren, a daughter of Jacob van Buuren and Klaartje Vleeschdrager.
His brothers and sister were Betje, Izak and Jozeph. One sister has survived the Holocaust.
City Archive of Amsterdam, archive cards of Wolf Cohen and Esther van Buuren.