Orphan trains took orphans from New York and left them off with families across mostly the Mid-West.
Here are some reference sources to help you.
FTDNA group for orphans from Orphan Trains
Facebook Page for Orphan Trains
Facebook Page for Orphan Trains "Orphan Train Depot"
Genealogists Ride Search for Orphan Train Rider Ancestors
Family Search Blog on Orphan Trains
Source: Pamela Clark