Sources
This feature enables the searching of c.7,000 sources consulted by the Placenames Branch while researching historical toponymic evidence over the years. Although some editing has been carried out, inconsistencies and duplicates remain. Further information about the development of this feature and how to use it is available here.
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William Bald, A Map of the Maritime County of Mayo, in 25 sheets; surveyed between 1809 and 1817 and published in 1830LéarscáilBliain foilsithe: 1830