Examples from the Web for mercian
Penda remained its rallying point; and the long reign of the Mercian king was in fact one continuous battle with the Cross.On Some Ancient Battle-Fields in Lancashire|Charles Hardwick
An important discovery was that the language of the oldest Glossaries seems to be Mercian.English Dialects From the Eighth Century to the Present Day|Walter W. Skeat
This is confirmed by the present state of the Mercian dialects.A Handbook of the English Language|Robert Gordon Latham
After a few years his successor, Offa, once more took up the task of making the Mercian king over-lord of southern England.A Student's History of England, v. 1 (of 3)|Samuel R. Gardiner.
Also probably the name Eawa, in the genealogy of the Mercian kings.Surnames as a Science|Robert Ferguson