Marcie Walsh first appeared in 2002 as the part time receptionist to Dr. Conklin, an Obstetrician at Llanview Hospital. When Jennifer Rappaport needed to change her conception date to indicate that Cristian Vega, not Al Holden, was the father of her unborn baby, Marcie was happy to help.

Insecure and without many friends, Marcie desperately wanted Jen's friendship and approval. Although the scheme backfired, Jen and Marcie slowly started to build a friendship...

Husband: Michael McBain
Children: Tommy McBain (adoptive)
Father: Charlie Walsh
Siblings: Ron Walsh, Eric Walsh, Jerry Walsh
Mother-in-law: Eve McBain
Brother-in-law: John McBain
Significant Romantic Relationships: Al Holden, Michael McBain (married)