Which artist was the youngest Grammy winner when she won at age eight?

Leah Peasall was the youngest Grammy winner when she won at age eight as a member of the Peasall Sisters.

She shared the 2002 Grammy for Album of the Year with the other performers and contributors to the soundtrack album O Brother, Where Art Thou? The Peasall Sisters contributed vocals to “In the Highways,” a traditional song featured in the film and soundtrack project.

The award was credited to the ensemble connected with the album, so Peasall’s achievement is not the same as winning a solo Grammy. Her age nevertheless made her the youngest person to receive a Grammy at that time.

The Peasall Sisters consisted of Leah, Hannah, and Sarah Peasall. Their appearance on the soundtrack helped introduce traditional American music to a broad international audience.