Manx language
Manx began to separate from Middle Irish in about 900–1600 AD, and it is called Yn Ghaelg / Yn Ghailck by its speakers. There became fewer and fewer speakers during the 19th century, when the language was replaced by English. In 1901, 9% of the people in the Isle of Man were said to speak Manx, but in 1921, the number had dropped to only 1%.