there are two,
Porter Dickinson
Birth Date: abt 1900
Age: 25
Port of Departure: Boston, Massachusetts, United States
Arrival Date: 10 Jul 1925
Port of Arrival: Liverpool, England
Ship Name: Samaria
Search Ship Database: View the 'Samaria' in the 'Passenger Ships and Images' database
Shipping Line: Cunard Line
Official Number: 145923
Porter Stevens Dickinson
Birth Date: abt 1900
Age: 27
Port of Departure: New York, New York, United States
Arrival Date: 31 Jul 1927
Port of Arrival: Glasgow, Scotland
Ports of Voyage: Boston
Ship Name: Transylvania
Search Ship Database: View the 'Transylvania' in the 'Passenger Ships and Images' database
Shipping Line: Anchor Line
Official Number: 148874