She is married to William Lawrence (chk if Haplo E) O'BRIEN, 3rd Earl of Inchiquin, 8th Baron Inchiquin.
They got married April 1691 at Inchiquin, County Galway, Ireland.
Spouse: Mary O'Brien (born Villiers)
Child(ren):
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Lady Mary Ephelia O'Brien (born Villiers)<br>Birth name: Mary Villiers<br>Also known as: Mary O'Brien<br>Gender: Female<br>Birth: 1670 - Richmond, Surrey, England<br>Death: Apr 17 1753 - Inchiquin, County Galway, Ireland<br>Parents: Sir Edward II van Villiers - Viscount Grandison van Limerick, Lady Frances van Villiers (born Howard)<br>Husband: William Lawrence O'Brien<br>Children: Donal O'Brien, Mary Patton (born Byrne), Lady Mary FitzGerald (born O'Brien), William O'Brien 4th Earl of Inchiquin, Henrietta Sandford (born O'Brien), James Clarke O'Brien, William O'Brien, Lt Charles O'Brien<br>Siblings: , Francis Anne Villiers, Katherine le Vasseur (born Villiers), Lady Barbara Berkeley Viscountess Fitzharding (born Villiers);, Anne Frances Bentinck (born Villiers), Edward Villiers 1st Earl of Jersey, Elizabeth Villiers Countess of Orkney, Mary O’Brien (born van Villiers Countess of Orkney), Colonel Henry Villiers, Henrietta Campbell -Countess of Breadalbane and Holland (born Villiers), Catherine Cognée (born Villiers), Mary Villiers<br>This person appears to have duplicated relatives. View it on FamilySearch to see the full information.<br> Additional information:
TitleOfNobility: Countess of Inchiquin
Honour: Maid of Honour for Queen Mary
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Mary O'Brien (born Villiers)<br>Gender: Female<br>Alias name: Countess Inchiquin<br>Birth: Circa 1670 - Richmond upon Thames, Surrey, England<br>Marriage: Spouse: William O'Brien, 8th Baron Inchiquin, 3rd Baron O'Brien & 3rd Earl of Inchiquin - Apr 1691 - Inchiquin,, Galway, Ireland<br>Death: Apr 17 1753 - Inchiquin, County Galway, Ireland<br>Father: Edward Villiers<br>Mother: Frances Villiers (born Howard)<br>Husband: William O'Brien, 8th Baron Inchiquin, 3rd Baron O'Brien & 3rd Earl of Inchiquin<br>Children: Mary FitzGerald (born O'Brien), Countess of Kildare, James Clarke O'Brien, William O'Brien, William O'Brien, Charles O'Brien<br>Siblings: Katherine Villiers, Frances Anne Bentinck (born Villiers), Countess of Portland, Barbara Berkeley (born Villiers), Elizabeth Hamilton (born Villiers), Edward Villiers, 1st Earl of Jersey, Henry Villiers, Henrietta Campbell (born Villiers)
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