Amy Standish Huntington born March 14, 1711 passed in Feb 24, 1798 she married SImon Huntington 1764

she had children, as you stated, but she also had a daughter name Amy who is listed as Hutton,,,she married a gentleman by the name of William Stewart Jr. in 1780

I have found an Amy Hutton and an Amy Huntington born with these parents. I found this on familysearch.org