Era
Middle Irish, 1100-1550
4
To 1500
3
17th century
2
373?-463?
2
521-597
2
Middle Welsh, 1100-1400
2
To 1100
2
To 1603
2
fl. 431
2
1571-1642
1
1603-1625
1
1625-1649
1
1810-1881
1
1829-1896
1
1850-1919
1
1853-1931
1
1873-1950
1
18th century
1
20th century
1
Early modern, 1550-1700
1
approximately 570-642?
1
ca. 1625-1698
1
to 1500
1