Faith Astor is a human girl appearing in the short story "Restoration of Faith".
In the series
"Restoration of Faith"
When ten-year-old Faith ran away from home, her family contacted Ragged Angel Investigations to find her. Harry Dresden, at the time a member of the team, was able to find her. After an incident in which a bridge troll, Gogoth, tried to claim her, she was returned home to her family.