| Sources  | 
- [S30]  1910 US Federal Census, (www.ancestry.com).
 
Name: Joseph Welsch Age in 1910: 3 Estimated Birth Year: abt 1907 BirthPlace: New York Relation to Head of House: Son Father's Name: Fred Father's Birth Place: Germany Mother's Name: Lizzie Mother's Birth Place: New York Home in 1910: Brooklyn Ward 27, Kings, New York Marital Status: Single Race: White Gender: Male 
 
  
- [S24]  1920 US Federal Census, (www.ancestry.com).
 
Name: Joseph Welsch Home in 1920: Brooklyn Assembly District 19, Kings, New York Age: 13 years Estimated Birth Year: abt 1907 BirthPlace: New York Relation to Head of House: Son Father's name: Frederick Father's Birth Place: Baden Mother's name: Elizabeth Mother's Birth Place: New York Marital status: Single Race: White Sex: Male Able to read: Yes Able to Write: Yes Image: 935 
 
  
- [S25]  1930 US Federal Census, (www.ancestry.com).
 
CENSUS: 
1930: 
Name: Joseph Welsh Age: 24 Estimated birth year: abt 1906 Birthplace: New York Relation to head-of-house: Head Spouse's Name: Constance Welsh Race: White Home in 1930: Brooklyn, Kings, New York  Image source: Year: 1930; Census Place: Brooklyn, Kings, New York; Roll: 1496; Page: 9B; Enumeration District: 1885; Image: 230.0. 
 
  
- [S888]  Social Security Death Index 1935 - Current, (www.ancestry.com).
 
Social Security Death Index: 
Name: Joseph Welsh SSN: 084-05-4383 Last Residence: 11209 Brooklyn, Kings, New York, United States of America Born: 10 Jun 1907 Died: Nov 1974 State (Year) SSN issued: New York (Before 1951 ) 
Name: Joseph Welsh SSN: 112-32-2865 Last Residence: 11229 Brooklyn, Kings, New York, United States of America Born: 14 Jan 1907 Died: Jan 1983 State (Year) SSN issued: New York (1957-1959 ) 
  
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