Isac (Isaac) ben Jacob, Meyer is mentioned 2 times between 1700 and 1724. He died around 1724. His designation in the Stühlingen family tree is 'M1.1.3'. His father was Jacob (Jägglin) ben David, Meyer.

Isac was the son of Jacob ben Davidb Meyer. He lived in Baisingen, probably because he married a local daughter. He died before 1724 and his heirs demanded what was probably their share of David ben Jacob`s estate [R742; 01.21.1724]. .