HMS Princess Mary explained

Three ships of the Royal Navy have borne the name HMS Princess Mary or HMS Princess Maria:

• was a 38-gun ship captured in 1652 and wrecked in 1658.
• was a yacht built in 1688. She was sold at some point, becoming a merchant ship. She remained in service until 1827 under the name Betty Cairns.
• HMS Princess Mary was a 60-gun fourth rate launched in 1704 as . She was relaunched in 1742 as HMS Princess Mary, and was sold in 1766.
• was a minesweeper lost to a mine in the Aegean on 8 February 1919.^[1]

Notes and References

1. http://www.naval-history.net/WW1NavyBritishAdmiraltyEstimates1919.htm Admiralty Estimates for 1919