Green Ensign
The Green Ensign () is a historical flag flown by some Irish merchant vessels from before the 19th century to the early 20th century. The flag consists of a green field with a golden Irish harp and a canton containing either St George's Cross or a version of the Union Jack.

This flag has appeared in these historical flag plates:
 1685 Downman's Flag Chart
17th century A New Table of all the Ships, Collors or Ensings, in the Wholl Water World Newly Eneressed and Amende and all falts or Errors Corrected Never befor thytim brought to Light
 1700 Len's Flag Chart
 Table des Pavillons quel on arbore dans toutes les Parties du Monde Connu (Peter Schenk the Elder)
early 18th century: A new table of all the names of the principal parts and rigging of a man of war
 1772 French 
 1783 Bowles's Universal Display of the Naval Flags of all Nations
 1799 Flags of all Nations
 1848 
 1868 Johnson's new chart of national emblems
 1889 Drawings of Flags of All Nations - British Admiralty
 1917 National Geographic Flag Book

See also
 Blue Ensign
 Red Ensign
 White Ensign
 Green harp flag

References

External links
Green Ensign at FOTW site

Civil ensigns
Ensigns by colour
Flags of Ireland
Flags of the British Empire
Flags of the United Kingdom