I agree, looks like a mulberry. Leaves on small trees and new branches are particularly likely to be lobed in mulberry, while older branches tend to produce leaves without lobes.
Atomic Frontier on YouTube trained a machine learning model on his prior emails, assignments, etc., and had it determine his personal worst keyboard layout. He posted the code on GitHub for others to do the same.
I agree, looks like a mulberry. Leaves on small trees and new branches are particularly likely to be lobed in mulberry, while older branches tend to produce leaves without lobes.