1Cross, Tom Peete, and Clark Harris Slover. Ancient Irish Tales. New York: Barnes & Noble, 1936. 20.

2"Minor Celtic Characters." Timeless Myths. Web. 13 Mar. 2011. <http://www.timelessmyths.com/celtic/minorceltic.html>.

3Lebor Gabála Érenn." Wikipedia, the Free Encyclopedia. Web. 09 Mar. 2011. <http://en.wikipedia.org/wiki/Lebor_Gabála_Érenn>.
It is understood by historians, in all these cases, that the place name was extant, and the person or thing connected to it was invented by the etymologizer.

4"Irish Baby Girl Names D - I." Irish Gifts - Irish Jewelry - Celtic Jewelry - Claddagh Rings. Web. 13 Mar. 2011. <http://www.celticbydesign.com/index.cfm/feature/22_140/irish-baby-girl-names-d---i.cfm>.

5Leerssen, Joep. Remembrance and Imagination: Patterns in the Historical and Literary Representation of Ireland in the Nineteenth Century. Notre Dame, IN: University of Notre Dame in Association with Field Day, 1997. 11-12.

6Cross 20.
The original translation of this story may be read here.

7Morierty, Michael. "The Baslicon Slab." Interview by Howard Goldbaum. June 20, 1979.

8Chatterton, Lady. Rambles in the South of Ireland During the Year 1838. London: Saunders and Otley, 1839. 300-301.
It may be that the author misunderstood her informant.