I'm looking for my great-great-grandmother, Katherine "Kitty" McConnon/McCannon. She was born about 1858 probably in Ireland. Married in 1886 James Griffin (of Clare or Cork Ireland), and settled in Ohio--first in Sidney, Miami County Ohio, and later moved to Columbus, Franklin County, Ohio. Two children, first died as an infant, second son John Patrick Griffin born 1886, m. Alma Newton.
Your mention of a Catherine McConnon is the first scrap of hope I've seen.
Please feel free to email me: firstname.lastname@example.org. Thanks, laurie