Descendants of Slany O'Brien





Slany O'Brien married Nicholas FitzMaurice (abt 1280 - 1332) and is the mother of 3 children and the grandmother of 3 grandchildren. Listed below are details on up to five generations of descendants. Also see Slany's DNA Descendants and Family Tree & Genealogy Tools for more views.

  1. Margaret (FitzMaurice) MacCarthy ancestors (abt 1264 - bef 1302) m. Donal MacCarthy Mor (abt 1220 - 1302).
  2. John FitzMaurice ancestors descendants (1308 - 1378)
    1. Maurice (FitzJohn) FitzMaurice ancestors descendants (abt 1320 - 1398)
      1. Patrick FitzMaurice ancestors descendants (bef 1398 - aft 1450) m. Catherine McCarthy (abt 1404 - aft 1424) on 27 Mar 1422.
        1. Thomas FitzMaurice ancestors descendants (abt 1420 - 1469) m. Honora FitzGerald (abt 1429 - abt 1469) on 21 Oct 1447.
          1. Mary (FitzMaurice) FitzPhilip ancestors descendants more descendants (aft 1447 - aft 1480)
          2. Edmond FitzMaurice ancestors descendants more descendants (bef 1450 - 1510)
    2. Joanna Fitzmaurice ancestors descendants (1339) m. Donal Reagh (1365 - 1414).
      1. Dermod An Dunaidh MacCarthy Reagh ancestors descendants (1410 - 1473) m. Ellen MacCarthy (abt 1425 - 1441).
        1. Finghin MacCarthy Reagh ancestors descendants (bef 1441 - 1505) m. Catherine Fitzgerald (1455 - 1490).
  3. Aveline (FitzMaurice) FitzGerald ancestors descendants (abt 1310 - 14 Mar 1358) m. Maurice FitzThomas FitzGerald (abt 1295 - 25 Jan 1356).
    1. Gerald FitzMaurice FitzGerald ancestors descendants (abt 1338 - abt 1398) m. Eleanor Butler (abt 1343 - abt 1392) aft 20 Jul 1359.
      1. John FitzGerald ancestors descendants (aft 1359 - bef 04 Mar 1400)
        1. Thomas FitzJohn ancestors (1385 - 1420)
      2. Ellice (FitzMaurice) Fitzmaurice ancestors descendants (abt 1367) m. John Barry ( - 1420).
        1. William Barry ancestors descendants (1397 - 1480) m. Ellen Roche (1397 - 1435).
          1. John Barry ancestors descendants more descendants (1435 - 25 Dec 1486)
          2. Ellice (Barry) FitzGibbon ancestors descendants more descendants (bef 1436 - aft 1470)
      3. Amy (Fitzmaurice) Roche ancestors descendants (abt 1377) m. Maurice Roche (abt 1375 - 1439).
        1. Ellen Roche ancestors descendants (1397 - 1435) m. William Barry (1397 - 1480).
          1. John Barry ancestors (1435 - 25 Dec 1486) [Barry-149 has already appeared on this list; see descendants above]
          2. Ellice (Barry) FitzGibbon ancestors (bef 1436 - aft 1470) [Barry-105 has already appeared on this list; see descendants above]
        2. David Roche ancestors descendants (abt 1400 - May 1488) m. Joan Burgh (1415).
          1. Maurice Roche ancestors descendants more descendants ( - abt 1515)
      4. Patrick Fitzmaurice (FitzGerald) Fitzgerald ancestors (aft 1380 - 1410)
      5. Anne (Fitzgerald) Dillon ancestors descendants (abt 1386) m. Maurice Dillon (abt 1360).
        1. Thomas Dillon ancestors descendants (abt 1405) m. Jane UNKNOWN (abt 1405).
          1. Edmund Dillon ancestors descendants more descendants (abt 1425)
      6. James FitzGerald ancestors descendants (bef 08 Dec 1388 - 1463) m. Mary Burgh (1390 - 1435).
        1. Gerald FitzJames FitzGerald ancestors descendants ( - 16 Apr 1488)
          1. John FitzGerald ancestors descendants more descendants ( - 17 Apr 1524)
          2. Unknown Fitzgerald ancestors descendants more descendants (1470 - 1500)
        2. Thomas FitzGerald ancestors descendants (1426 - 15 Feb 1487) m. Ellice Barry (bef 1436 - aft 1470) on 1454.
          1. Ellen FitzGerald ancestors descendants more descendants ( - aft 1500)
          2. John FitzThomas FitzGerald ancestors descendants more descendants ( - aft Dec 1536)
          3. Catherine FitzGerald ancestors descendants more descendants (abt 1430 - 1506)
          4. Thomas FitzThomas FitzGerald ancestors descendants more descendants (1454 - 1534)
          5. Maurice FitzGerald ancestors descendants more descendants (abt 1455 - 1520)
          6. Catherine (Fitzgerald) Reagh ancestors descendants more descendants (1455 - 1490)
          7. James FitzThomas FitzGerald ancestors descendants more descendants (1459 - 07 Dec 1487)
        3. Honora (FitzGerald) FitzMaurice ancestors descendants (abt 1429 - abt 1469) m. Thomas FitzMaurice (abt 1420 - 1469) on 21 Oct 1447.
          1. Mary (FitzMaurice) FitzPhilip ancestors (aft 1447 - aft 1480) [FitzMaurice-200 has already appeared on this list; see descendants above]
          2. Edmond FitzMaurice ancestors (bef 1450 - 1510) [FitzMaurice-174 has already appeared on this list; see descendants above]
        4. Joan (Fitzgerald) FitzMaurice ancestors descendants (1430 - 13 Jun 1486) m. Thomas FitzMaurice Fitzgerald of Kildare (1421 - 25 Mar 1477).
          1. Eleanor (Fitzgerald) O'Neill ancestors descendants more descendants ( - 14 Nov 1497)
          2. James Fitzgerald ancestors (abt 1450 - 1513)
          3. Thomas Fitzgerald ancestors (abt 1450 - 1487)
          4. Gerald Fitzgerald ancestors descendants more descendants (abt 1455 - 03 Sep 1513)


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