They began with a 5-0 defeat of their counterparts from Estonia 5-0 on Monday, with a brace from Emily Wilson and one each for Morgan, Louise Crawford and Abbie Magee.
That was followed up by a 2-1 victory over the Faroe Islands 2-1 on Wednesday, with Wilson scoring both goals.
Northern Ireland made it a perfect record on the four-team tournament with a 4-1 result over Latvia on Friday, Wilson hitting a hat-trick and Magee the other goal.