The WW1 Ships Lost at Sea records will give you a combination of the following information:
The National Archives holds the WW1 Ship Casualties Card Index in the series ADM 242/6.
You can also find records of people who died at sea during the First World War by searching the following collections on findmypast:
Enter a year in the search box above to find a list of ships destroyed around that date. You can use the ‘+/-’ option to search a few years either side of the one you enter.
If you know the ship you’re looking for, enter its name in the search box above. We will automatically suggest ship names that match what you’re typing to make this easier for you.
Try following one of these tips to pinpoint the record you’re looking for:
1) Search with just a year, leave the ship name box empty
2) Use the ‘+/-’ option to widen the year range you’re searching
3) If you’re looking for a person who died at sea, try searching our Maritime death records