We found information about the following specific ships:

SS Royal Daffodil

Description: 1906 Mersey ferry named Daffodil, gained the Royal prefix after the Zeebrugge Raid on 1918

Aliases: Daffodil

HMS Daffodil

Description: British train ferry used by navy in World War II

Aliases: SS Train Ferry No. 3

We also found the following citations which are not yet associated with specific ships: