Can anyone identify this deciduous tree?

Yvette Gray
by Yvette Gray
This tree is about 20 feet tall. I'm not sure if this is its mature height as I don't know the age of this tree. It bears no fruit, nuts or flowers that I have witnessed. it does produce a lot of new branches, side shoots and suckers rather quickly. Unfortunately I couldn't get a full length picture of the entire tree. The tree was blowing in the wind when these pictures were taken so they are a bit out of focus (sorry). Thanks for any help you can provide.
Canopy of tree
Close up of trunk of tree
The lighter leaves in the back are the juvenile new growth
Close of of mature leaves.
Leaves coming back after Winter
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