William Peter O'Brien

1892 - UNKNOWN

• Name	William Peter O'Brien
  Birth	9 Nov 1892	Warrenpoint, County Down, Ireland
  Gender	Male
  Death	UNKNOWN
  Person ID	I10682	Branches and Roots
  Last Modified	13 Feb 2026

  
  

  Father	William J O'Brien,   b. Abt 1861   d. 1892 (Age 31 years)
  Relationship	natural
  Mother	Mary Conachy,   b. 21 Apr 1860   d. 9 Apr 1930 (Age 69 years)
  Relationship	natural
  Marriage	18 May 1885	Castlebellingham, Louth, Ireland
  Family ID	F3715	Group Sheet  |  Family Chart

  
  

  Family	Lilian Harris,   b. Abt 1894   d. 27 Dec 1978 (Age 84 years)
  Marriage	UNKNOWN
  Children	+ 1. Kathleen O'Brien,   b. UNKNOWN   d. 15 Sep 1997, Rennes, France  [Father: natural]  [Mother: natural] + 2. Barbara O'Brien,   b. UNKNOWN  [Father: natural]  [Mother: natural] + 3. Patrick O'Brien,   b. UNKNOWN  [Father: natural]  [Mother: natural]   4. Denis O'Brien,   b. UNKNOWN  [Father: natural]  [Mother: natural]   5. Patricia Bernadette O'Brien,   b. 14 Mar 1927   d. 29 Apr 1992, Lambeth, London, England (Age 65 years)  [Father: natural]  [Mother: natural]
  Family ID	F3783	Group Sheet  |  Family Chart
  Last Modified	13 Feb 2026