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Mary Barry — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Barry across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Barry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Order Clerk |
| Industry | Meat Packer |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Order Clerk |
| Township / Ward | Chicago |
| Est. Birth Year | ~1913 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Barry | Daughter | — | 25 | ~1915 |
| Mary Barry | Daughter | — | 27 | ~1913 |
| Eileen Barry | Daughter | — | 29 | ~1911 |
| Mabel Barry | Head | — | 51 | ~1889 |
| John Barry | Son | — | 19 | ~1921 |
Census Appearances
1920
Cook, Illinois
Daughter, age 7
Cook, Illinois · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Daughter, age 17
Cook, Illinois · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Berry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Typist |
| Industry | Packing House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 27
Cook-County, Illinois · implied b. ~1913 — 5 household members
| Surname | Barry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Order Clerk |
| Industry | Meat Packer |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Barry across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Berry (~0.92 confidence) and father John Barry (~0.92 confidence) and mother Isabel Barry (~0.92 confidence) and mother Mabel Barry (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Berry
b. ~1866
Source father
● Household
· direct · ~0.92
Father
John Barry
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Isabel Barry
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Mabel Barry
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Barry
Daughter · 1940 · age 27 · b. ~1913 · Illinois
★ You are viewing this record
Sibling
John Barry
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Barry
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Barry
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00957-00908)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eva Davis | 34 | Wife | Maid | Wisconsin |
| 42 | Donna Davis | 12 | Daughter | — | Illinois |
| 43 | Jacquelyn Davis | 7 | Daughter | — | Illinois |
| 44 | Benjamin Herald | 40 | Head | Restauranteur | Michigan |
| 45 | Mary Herald | 35 | Wife | Restauranteur | Illinois |
| 46 | Patricia Herald | 9 | Daughter | — | Illinois |
| 47 | Marylou Herald | 6 | Daughter | — | Illinois |
| 48 | Jean Herald | 5 | Daughter | — | Illinois |
| 49 | Josephine Davis | 26 | Maid | Maid | Indiana |
| 50 | Joseph Owens | 50 | Head | Chauffeur | Irish Free State |
| 51 | Hannah Owens | 49 | Wife | — | Irish Free State |
| 52 | Mary Owens | 23 | Daughter | Auditor | Illinois |
| 53 | Virginia Owens | 19 | Daughter | General Office | Illinois |
| 54 | Margaret Owens | 14 | Daughter | — | Illinois |
| 55 | John Owens | 7 | Son | — | Illinois |
| 56 | Timothy Mcmullan | 55 | Head | Attendant | Irish Free State |
| 57 | Katherine Mcmullan | 58 | Wife | Supt. Leader | Indiana |
| 58 | John J. Mcmullan | 27 | Son | Salesman | Illinois |
| 59 | William Mcmullan | 20 | Son | Verifier | Illinois |
| 60 | Edward J. Mcmullan | 14 | Son | — | Illinois |
| 61 | Peter Schneider | 32 | Head | Moulder | Illinois |
| 62 | Genevieve Schneider | 28 | Wife | — | Illinois |
| 63 | Edward Connerty | 39 | Head | Manager | Illinois |
| 64 | Mary Connerty | 37 | Daughter | Stenographer | Illinois |
| 65 | Edward Connerty | 15 | Grandson | — | Illinois |
| 66 | Mabel Barry | 51 | Head | — | Illinois |
| 67 | Eileen Barry | 29 | Daughter | Comptometer | Illinois |
| 68 | Mary Barry THIS PERSON | 27 | Daughter | Order Clerk | Illinois |
| 69 | Elizabeth Barry | 25 | Daughter | Sales Clerk | Illinois |
| 70 | John Barry | 19 | Son | — | Illinois |
| 71 | Frank Baumach | 50 | Head | Inspector | Germany |
| 72 | Olga Baumach | 47 | Wife | — | Germany |
| 73 | Howard Baumach | 14 | Son | — | Illinois |
| 74 | Harold Dahlman | 23 | Cousin | — | Michigan |
| 75 | Edward Mark | 63 | Head | Crating | Czecho-Slovakia |
| 76 | Mary Mark | 56 | Wife | — | Czecho-Slovakia |
| 77 | Sylvia Parker | 34 | Daughter | File Clerk | Missouri |
| 78 | Edward Parker | 37 | Son-in-law | Decorator | Illinois |
| 79 | Edward Duron | 15 | Grandson | — | Illinois |
| 80 | Frank Rambach | 49 | Head | Electrician | Illinois |
Related Census Records
Pedigree Summary
Mary + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)