St. Cadoc was killed by Saxons about the year 580 while serving at Mass near Weedon, Northamptonshire, England.
Cadoc died in 580.
Cadoc son of Brychan died in 490.
I can find no saint named Cadog. However, there is a Saint Cadoc. Is that who you are referring to?
There seems to be no Saint Cadog, however there is Saint Cadoc of Llancarvan. Is this who you were referring to?
Roman Catholic AnswerHe was martyred for the faith by the Saxons in the sixth century, see the link below.
Cadoc was born in 497.
St Cadoc's Hospital was created in 1906.
Saint Oda died in 726.
Saint Non died in 5##.
Saint Menas died in 309.
Saint Anastasija died in 1199.
Saint Fabiola died in 399.