Mother's Day (United States)

Mother's Day in the United States is an annual holiday celebrated on the second Sunday in May. Mother's Day recognizes mothers, motherhood and maternal bonds in general, as well as the positive contributions that they make to society. It was established by Anna Jarvis, with the first official Mother's Day was celebrated at St. Andrew's Methodist Church in Grafton, West Virginia, on May 10, 1908.

Is this statement correct "is mother day the first sunday of may"?
no