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													BostonMassachusetts
 United States
 
													  
													Denis O'Brien and Mary Maguire married in Boston, Mass. on 23 March 1913. View 
													  
													  
													Children born in Boston: 
													  
													Charles Joseph O'Brien (29 Apr 1914 - 25 April 1967)  
													  
													Marion Elizabeth O'Brien (24 Sept 1915)  
													  
													Catherine O'Brien (26 Mar 1917 - 4 Feb 1923 following an accident at home) 
													  
													Margaret O'Brien (c 1921)  
													  
													Eleanor O'Brien (c. 1923)  
													  
													  
													U.S. Census 1920: 
													  
													U.S. Census 1930: 
													  
													U.S. Census 1940: 
													
														
															
																| Name: | Mary Obrien |  
																| Age: | 50 |  
																| Estimated Birth Year: | abt 1890 |  
																| Gender: | Female |  
																| Race: | White |  
																| Birthplace: | Ireland |  
																| Marital Status: | Widowed |  
																| Relation to Head of House: | Head |  
																| Home in 1940: | Boston, Suffolk, Massachusetts |  
																| Map of Home in 1940: | View Map |  
																| Street: | H Street |  
																| House Number: | 175 |  
																| Farm: | No |  
																| Inferred Residence in 1935: | Boston, Suffolk, Massachusetts |  
																| Residence in 1935: | Same House |  
																| Citizenship: | Naturalized |  
																| Sheet Number: | 16B |  
																| Number of Household in Order of Visitation: | 314 |  
																| Occupation: | Sernstree |  
																| Neighbors: | View others on page |  
																| Household Members: |  |  
													  
													    
 
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