Patty Smith Hill (1868–1946) was an American composer and educator, best known for her contributions to children's music. Although primarily recognized as a music educator, she co-wrote the iconic song "Happy Birthday to You" in 1893 with her sister Mildred J. Hill, which has become one of the most sung songs in the English language. Hill's work primarily falls within the genre of children's music, and she focused on creating songs that were easy for children to sing and remember. She was a pioneer in the field of early childhood education, advocating for the importance of music in developing children's cognitive and social skills. Her impact on music is profound, as "Happy Birthday to You" has transcended generations and cultures, becoming a staple in birthday celebrations worldwide. While she may not be as widely recognized as other composers, Hill's legacy endures through this simple yet universal song, highlighting the significance of music in everyday life and cultural traditions. Her influence is evident in the way music continues to play a vital role in early childhood education and family celebrations.