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Start your family tree now Is your surname O'Neillan?

There are already 8 genealogy profiles with the O'Neillan surname on Geni. Join now to find your relatives.

O'Neillan Genealogy and O'Neillan Family History Information

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Agnes Skidd (deceased)
Baroness Annabella O'Neillan (deceased)
Married, as his first wife, the Marchese Vincenzo Striggi of Mantua. She d. in childbirth at the age of twenty-one at her mother’s home in Mantua.
Baroness Barbara O'Neillan (1734 - d.)
Baroness Barbara O’Neillan, b. on 2 December, 1734. Unwed and residing at the convent Castiglione delle Riviera on 2 May 1752. Later m. Baron (subsequently Count) de Terzi.Baroness Barbara O'Neillan wa...
Baroness Catharina O'Neillan (1726 - d.)
Graf Eugene Onelly (1724 - 1748)
Eugene OneliAlso Eugene O'Neill, Eugene Onelly,Eugenius de OnelliEUGENE, Count (H.R.E. 7 April 1734), the eldest son, also written Count Nealan, Graf Eugen Onelly and Graf Eugenius de Onelli. Born at L...

O'Neillan Genealogy Projects

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O'Neillan Genealogy and O'Neillan Family History Information

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