Anyone know Iris Neredita Madriz???

On November 23, my shop email account received paypal money from Iris Neredita Madriz. I haven't given out any quotes lately for that amount ($52.00) and there has been no reply to my emails asking what the payment is for.

It was classified as a payment, not a gift. Otherwise, I would suspect it was a donation for my daughter and her husband following their auto accident.

Any ideas?