Royal Mail Steam Packet Company (R.M.S.P.) Passenger Lists 1921-1926
Passenger Lists of the R.M.S.P. - The Royal Mail Steam Packet Company that provided transatlantic passenger services to and from Hamburg, Cherbourg, Southampton and New York and on occasion Quebec.
From the date of the Inauguration of the line, in September, 1839, the vessels of the company have been remarkable for the grace of the design upon which they have been constructed, while, keeping In advance of the times, the "A" and "D" steamers of the R. M. S. P. have In recent years become a household word for "Luxury Afloat."

1921-10-22 SS Orbita Passenger List
- Class of Passengers: First and Second Class
- Date of Departure: 22 October 1921
- Route: Hamburg to New York via Cherbourg and Southampton
- Commander: Captain J. E. P. Matthews

1922-03-31 SS Orbita Passenger List
- Class of Passengers: Cabin Class
- Date of Departure: 31 March 1922
- Route: New York to Hamburg via Cherbourg and Southampton
- Commander: Captain J. E. P. Matthews

1922-07-26 SS Orduña Passenger List
- Class of Passengers: Cabin
- Date of Departure: 26 July 1922
- Route: London to New York via Southampton and Cherbourg
- Commander: Captain W. H. Lainson

1923-03-27 for the SS Orduña Passenger List
- Class of Passengers: Cabin
- Date of Departure: 27 March 1923
- Route: Hamburg to Bermuda and New York via Southampton and Cherbourg
- Commander: Captain G. E. Warner

1923-08-01 SS Orbita Passenger List
- Class of Passengers: Cabin
- Date of Departure: 1 August 1923
- Route: Hamburg to New York via Southampton and Cherbourg
- Commander: Captain W. H. Parker

1923-08-29 SS Ohio Passenger List
- Steamship Line: Royal Mail Steam Packet Co. (RMSP)
- Class of Passengers: Cabin
- Date of Departure: 29 August 1923
- Route: Hamburg to New York via Southampton and Cherbourg
- Commander: Captain W. H. Lainson

1923-12-19 SS Orca Passenger List
- Class of Passengers: Cabin
- Date of Departure: 19 December 1923
- Route: Hamburg to New York via Southampton and Cherbourg
- Commander: Captain E. Clarke

1924-07-06 SS Orca Passenger List
- Class of Passengers: Cabin
- Date of Departure: 6 July 1924
- Route: Hamburg for Quebec and New York via Southampton and Cherbourg
- Commander: Captain J. E. P. Matthews

1924-07-22 SS Ohio Passenger List
- Class of Passengers: Cabin
- Date of Departure: 22 July 1924
- Route: Hamburg to New York via Southampton and Cherbourg
- Commander: Captain W. H. Lainson

1924-07-29 SS Orbita Passenger List
- Class of Passengers: Cabin
- Date of Departure: 29 July 1924
- Route: Hamburg to New York via Southampton and Cherbourg
- Commander: Captain W. H. Parker

1924-10-08 SS Orbita Passenger List
- Class of Passengers: Cabin
- Date of Departure: 8 October 1924
- Route: Hamburg for New York via Southampton and Cherbourg
- Commander: Captain W. H. Parker

1926-07-30 SS Orca Passenger List
- Class of Passengers: Student Tourist
- Date of Departure: 30 July 1926
- Route: Southampton for New York via Cherbourg
- Commander: Captain H. A. Le Brecht

1926-09-17 SS Ohio Passenger List
- Class of Passengers: Cabin
- Date of Departure: 17 September 1926
- Route: Cherbourg for New York via Southampton
- Commander: Captain E. Clarke