I am descended from Cavanaughs in Scranton, and I've often heard that they were from Sligo (or Mayo). The earliest ancestor that I have is Timothy Cavanaugh, born about 1818 in Ireland, the last address I have for him is Chestnut St, Scranton in 1880.
He had the following children:
Thomas b. abt 1848
Matthew b. abt 1851
John b. 1855 supposedly in VA or WVA, died 1887 He was a miner and lived on Chestnut St. Scranton
Dominic b. abt 1859
Timothy b 1870
John Cavanaugh (b 1855) married Catherine Curley in 1873, children:
- Mary b.1874
James F. b. 1875, married Cecelia O'Boyle
Timothy J. 1878-1942 married Margaret, he was a soldier, buried in Golden Gate Park
John Leo 1879-1946 married Catherine Arnold in 1900
Margaret 1882-1932, married Louis Hoffman
Matthew b. 1883
Joseph b. 1886
John Leo Cavanaugh and Catherine Arnold children
Margaret M, married John Hudak
William L, married Margaret Burkhouse
John Francis , married Frances Riebel
Catherine A., married Charles Burkhouse
Helen, married Joseph Collin
All born in Scranton. I can add much more detail if you are interested.
Do any of these Cavanaughs ring a bell?