Irish Sea area here taken as:
Southern edge: Carnsore Point to St. Davids Head;
Northern edge: Larne to Corsewall Point.
[The largest single loss, of 1250 people, on the torpedoed RMS Lusitania 1915,
was outside this region].
Losses of over 100 people.
Holyhead Packet 1670 foundered, 122 lost
HMS
Enterprise 1707 aground, Blackpool, up to 115 lost.
Neptune 1748 aground, Hoyle bank, over 100 lost
French warships 1760,
battle, Isle of Man, 300 lost.
Nonpareil 1775 aground, Hoyle bank, over 100 lost
Belgioioso 1783 aground, Kish Bank, 147 lost
Charlemont
1790 aground, Holyhead, 110 lost
Pelican 1793 foundered, Mersey, 102 lost
King George 1805 aground, Dee, 125 lost
Prince of Wales 1807 aground, Dublin, 120 lost
Rochdale 1807 aground, Dublin, 265 lost
Alert 1823 aground, Anglesey, 100 lost.
PS Rothsay Castle
1831 aground, Menai Straits, 113-123 lost
Jane and Margaret
1837 aground, Arklow Bank, 206 lost
Governor Fenner
1841 collision, off Anglesey, 123 lost
Ocean Monarch
1848 fire, Liverpool Bay, 178 lost
Tayleur 1854
aground, Lambay Island, 380 lost
Pomona 1859
aground, Blackwater Bank, 424 lost
Royal Charter
1859 aground, Moelfre, 450 lost
HMS Bayano
1915 sunk by U-27, NW of Corsewall Point, 196 lost
SS Burutu 1918 collision,
Irish Sea, 148 lost
SS Leinster 1918 sunk by UB-123,
Kish Bank, 569 lost
MV
Princess Victoria 1953 foundered, 5m NE Mew Island, 133 lost.
Fuller analysis.
Losses of over 40 people.
Ferry 1664 foundered,
Abermenai, 79 lost [not reliably documented]
William 1696
aground, Dublin Bay, ~84 lost.
Dublin 1758 foundered,
off Galloway, ~60 lost.
Fame 1785 aground, Red Wharf Bay,
42 lost
Ferry 1785 aground, Abermenai,
54 lost
Betty & Mary 1791 aground,
off Liverpool, 47 lost
Viceroy 1797 foundered, Irish Sea,
55 lost
Victory 1803 aground, Hoyle Bank, 37-54 lost
Fly 1817 aground, near Liverpool,
78 lost
Earl Moira 1821 aground, near
Liverpool, 52 lost
Robert
1823 aground, Isle of Man, 40 lost
Newry 1830 aground, Llŷn,
25-50 lost
PS Lord Blayney 1833 aground,
Hoyle Bank, 46 lost
Lockwoods 1839 aground,
near Liverpool, 53 lost
PS William Huskisson
1840 foundered, Irish Sea, 47 lost
PS Orion 1850
aground, Portpatrick, 54 lost
Mobile 1852
aground Arklow Bank, 69 lost
PS Queen Victoria 1853 aground,
Howth Head, 59 lost
PS Nimrod 1860 aground,
Pembs, 45 lost
PS Lelia 1865 foundered, Liverpool Bay,
47 lost (also here).
SS Connemara 1916 collision,
off Carlingford Lough, 90 lost
HMS Champagne 1917
torpedo by U-96, off Calf of Man, 56 lost
SS Apapa 1917
torpedo by U-96, off Anglesey, 77 lost
HMAV
Stephen Furness 1917 torpedo by UB-64, W of Isle of Man, 99 lost (101 in some accounts)
SS Coningsberg 1917
torpedo by U-62, Irish Sea, 40 lost
U-87 1917
rammed and depth charges, off Llŷn, 44 lost
SS
Alfred H Read 1917 mined Liverpool Bar, 41 lost
HMS Cullist
(Westphalia) 1918 Q-ship: torpedo by U-97, off Drogheda, 43 lost
USS Lakemoor
1918 torpedo by UB-64 (or 73), off Corsewall Point, 44 lost
HMS Thetis 1939 flooded, Liverpool Bay, 99 lost
HMS Manners
1945(stern part) torpedo from U-1051, Irish Sea, 43 lost
U-1051
1945 depth charges and rammed, Irish Sea, 47 lost
U-1172
1945 depth charges, Irish Sea, 52 lost
U-1302
1945 depth charges, Irish Sea, 48 lost
U-246
1945 depth charges, Irish Sea, 48 lost,
Video.
U-242
1945 mined, Irish Sea, 44 lost