Ireland took advantage of United States indiscipline to come from behind and wrap up their WXV1 campaign with a 26-14 win in Vancouver.
Two tries from Hope Rogers on her 50th international appearance, either side of an Erin King reply, gave the US a 14-7 lead at half-time but a penalty try awarded after a Tahlia Brody sin-binning brought the Irish level.
Cliodhna Moloney and Amee-Leigh Murphy Crowe then touched down in the closing stages to win it for Ireland as the US also lost Rachel Ehrecke and Rachel Johnson to yellow cards.
