How about....???

[petalpetal]

I had a girl work for me, called Sherridan. It's a lovely name, but be warned that some people like to shorten it to Sherri. The Sherridan I worked with hated the thought of being called Sherri.
I think Sherridan is just lovely, as is the middle name you have picked.
Good Luck

[YoYo]

I think it sounds nice with Ava.....but I can't get the brand of sheets out of my head!!