Hi I have just come across your message and I can give you information on the O'Connor family of Elm Hall, Celbridge.
In the 1911 census Elizabeth who was Arthur's second wife is a widow, and the following children are living with her. James 25 and single Farmer,
Arthur J. 22 who was born in 1888 and died 10th May 1950.Frances age 16 and she later was a founder of Cumann na mBan.Bridget Rose 14 in the 1911 census and a scholar, John age 10 and a granddaughter Eileen Young aged 3.
I know that Arthur O'Connor aged 22 had another brother who was the State Solicitor for Kildare and they had a first cousin Seamus O'Connor a Dublin solicitor and later appointed the Sheriff of Dublin.
I hope this is of help to you.

If you look up Wikipedia, the free encyopedia you will find Arthur O'Connor and details.
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