The Dutch winger completed his move to Lyon last week after falling out of favour at Old Trafford under Mourinho.
He made just 53 appearances and scored seven goals in his United career, proving to be a major disappointment.
Man United fans say goodbye to Memphis Depay on Twitter after Lyon move
Fri, January 20, 2017
Memphis Depay has completed a move to Lyon potentially worth £21.7m, and Manchester United fans have taken to Twitter to say goodbye to the Dutch winger
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Manchester United fans react on Twitter as Memphis Depay completes his move to Lyon
But despite the unsatisfactory end, Depay had good words to say about Mourinho who praised the winger after his move.
”His words were nice,” Depay said. "In Manchester, I always worked as I had to.
Memphis Depay has settled in well at Lyon
“For me personally, it wasn't all that easy, I needed to play. But we didn't have a bad relationship.
"He's a great coach and a great person. Now we'll see here how I play. In any case, I think he has said good things about me."
Memphis Depay and Jose Mourinho
United included a buy-back clause in their deal to sell Depay, who is highly thought of by Mourinho.
“Memphis is a fantastic professional, it would be wrong for anyone to say or think otherwise,” he said.
“I know people have an image of him in an amazing car or dressed in a certain way but that image is totally wrong. He worked hard to get a chance at this club and I have only good things to say about him.”