Mary Casey1

#20036, (circa 1810 - 18 July 1869)
Relationship1st cousin 3 times removed of Estelle Rose Roche
Father*Andrew Casey1 (s 1760 - )
Mother*Catharine O'Brien1 (c 1765 - )


John Pierce b. 1801, d. 1874
Children 1.Andrew Pierce9 (c 1836 - 1915)
 2.Mary Pierce9 (1838 - 1852)
 3.Elizabeth Pierce9 (c 1839 - 1916)
 4.William Pierce9 (1840 - 1929)
 5.Catherine Pierce9 (c 1842 - 1933)
 6.John Pierce9 (c 1844 - 1865)
 7.James Pierce9 (c 1846 - 1852)
Her married name was Pierce.2 
Birth*circa 1810She was born circa 1810 at IrelandG.2 
Baptism17 October 1827She sponsored the baptism of Catharine Casey on 17 October 1827 at St. Joachim Church, Old Mines / Cadet, Union Twp., Washington Co., MissouriG.3 
Marriage*21 April 1835She married John Pierce, son of William Pierce and Elizabeth Ralph, on 21 April 1835 at Union Twp., Washington Co., MissouriG.1,4 
Marriage28 July 1840She witnessed the marriage of Teresa Haefner and John H Casey on 28 July 1840 at St. James Church, Potosi, Breton Twp., Washington Co., MissouriG.5,6 
19 November 1850She and John Pierce appeared on the census of 19 November 1850 at Breton Twp., Washington Co., MissouriG; (neis. Daniel and Ellen O'Bryan, fam. 1169.)2 
7 June 1860She and John Pierce appeared on the census of 7 June 1860 at Breton Twp., Washington Co., MissouriG.7 
Death*18 July 1869She died on 18 July 1869 at Washington Co., MissouriG.8 


  1. [S1813] Andrew Casey Probate File, St. Louis, Missouri (1895-1898), No. 21510 (microfilm C39583), Missouri State Archives, Jefferson City, Missouri (summary linked to Source below), Mary Pierce, née Casey, named as deceased paternal aunt of Andrew Casey, decedent.
  2. [S20] 1850 U.S. Federal Census. John (46), b. England, farmer; Mary (40), b. Ireland.
  3. [S2314] St. Joachim's Church Parish Registers (Old Mines, Missouri). Book C, p. 8, img. 588/1170. Catherine Casey, dau. of John Casey and Margaret Mulvey, b. 24 Jun 1827, bapt. under conditions 17 Oct 1827 by Fr. Xav. Dahmen; sponsors Andrew Casey and Mary Casey.
  4. [S2313] St. James's Church Parish Registers (Potosi, Missouri). Book A (A-2), p. 5, img. 133/1060. John Pierce, from England, and Mary Casey, from Ireland, now both of Washington Co., marr. 21 Apr 1835 by Lewis Tucker, parish priest; witn. John Casey, Catherine O'Brien, Patrick O'Brien and John Casey.
  5. [S2313] St. James's Church (Potosi) Registers. Book A (A-2), p. 15, img. 138/1060. John Casey and Theresa Casey, marr., "having the consent of their parents," 28 Jul 1840 by L Tucker; witn. John H Casey, Hardage McGready, Mary Casey, George Casey, H Harrges, M A Harris, Valentin Haefner, John Byons (or Broyns), William W Smith, Francis Casey, Andrew Casey, David O'Brien, Morgan Casey, John Pierce, Patrick Corrigan, Daniel Casey, Felix Munday, John O'Brien, Patrick Macalany (or Macclany), John Casey and Andrew Casey.
  6. [S271] Missouri Marriage Records, 1805-2002, Microfilm images, online, Washington Co., Record images, 1840, img. 5/10, p. 189. John H Casey and Teresa Casey, marr. 28 Jul 1840, by L Tucker, Roman Catholic priest.
  7. [S19] 1860 U.S. Federal Census. John (58), b. Cornwall, farmer; Mary (50), b. Ireland.
  8. [S1806] Washington County Missouri GenWeb, online, no images or source. John Pierce, b. England, 2 Apr 1800 - 18 Nov 1874; Mary Pierce, wife of John, d. 18 Jul 1869.
  9. [S20] 1850 U.S. Federal Census.