What is the chance that Saint Bede the Venerable logos4:Factbook;ref=bio.saintbedevenerable was Episcopal given:
- He died 8 centuries before the Reformation
- He died 9 centuries before Christians showed up in America ... a prerequisite for being the earliest Episcopalian
It seems that you could run some reasonableness edits to avoid such obvious errors ... it would increase users' faith in your data.