Who was the first person to be called by the sorting hat?

The first person to be called by the Sorting Hat in the "Harry Potter" series is Hermione Granger. During the Sorting Ceremony in "Harry Potter and the Philosopher's Stone," she is sorted into Gryffindor after the hat takes a moment to deliberate. This moment sets the stage for her character's development and her close friendship with Harry and Ron throughout the series.