Mollie O'Brien (born October 25, 1952) is an Americana, bluegrass, R&B, and folk singer from Wheeling, West Virginia. She has released a number of Americana albums with her brother, Grammy-winner Tim O'Brien. She has also released five positively received solo albums. She is currently based in Denver, and regularly tours and performs with her husband, guitarist Rich Moore, as a duo. Together they have released one studio album, Saints and Sinners and a live CD, 900 Baseline. She has regularly appeared on shows such as A Prairie Home Companion, Mountain Stage, and contributed vocals to the Grammy-winning album True Life Blues: The Songs of Bill Monroe. She is known for her interpretations of classic songs by artists such as Tom Waits, Memphis Minnie, Willie Dixon, Chuck Berry, Si Kahn, Tere