en Green Ensign

Green Ensign
Use	Civil ensign
Proportion	1:2
Adopted	British Merchant Navy
Design	Green with the Union Jack occupying one quarter of the field and placed in the canton and a harp in the fly.

The Green Ensign (Irish: An Meirge Uaine) is a historical flag flown by some Irish merchant vessels from the 17th century to the early 20th century.^[1] 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^[2]
1700 Len's Flag Chart
c. 1700 Table des Pavillons quel on arbore dans toutes les Parties du Monde Connu (Peter Schenk the Elder)^[3]
early 18th century: A new table of all the names of the principal parts and rigging of a man of war^[4]
1772 French Encyclopédie
1783 Bowles's Universal Display of the Naval Flags of all Nations
1799 Flags of all Nations
1848 Flaggen Aller Seefahrenden Nationen
1868 Johnson's new chart of national emblems
1889 Drawings of Flags of All Nations - British Admiralty
1917 National Geographic Flag Book