No more than Ebenezer (another Hebrew name) Scrooge was.
There is no indication in Charles Dickens' "A Christmas Carol" that Jacob Marley was Jewish. The character is simply portrayed as a deceased business partner of Ebenezer Scrooge who returns as a ghost to warn Scrooge about his miserly ways.
A Christmas Carol
The dead business man in "A Christmas Carol" was nicknamed "Old Scratch."
Scrooge's dead business partner in "A Christmas Carol" is Jacob Marley. He appears as a ghost to warn Scrooge about his fate if he does not change his ways.
A Christmas Carol
Deceased
Goofy portrays Jacob Marley in Mickey's Christmas Carol, he comes to tell Scrooge (Scrooge McDuck) that three spirits will visit him soon, Goofy has a ghost-like appearance and is in long chains.
Christmas Eve 1837
Jacob Marley
Jacob Marley
Jacob Marley
Jacob Marley was Ebenezer Scrooge's business partner in Charles Dickens' "A Christmas Carol." He was the very first ghostly visitor to Scrooge on Christmas Eve to tell Scrooge that he would be visited by three other spirits that night. The opening sentences of the book are "Marley was dead: to begin with. There is no doubt whatever about that."
Scrooge's business partner in Disney's A Christmas Carol is named Jacob Marley. He is the one who appears to Scrooge as a ghost to warn him about the consequences of his selfish ways.