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Mary Mcintyre — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Mcintyre across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | McIntyre |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Worth |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Worth |
| Est. Birth Year | ~1924 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcintyre | Daughter | — | 16 | ~1924 |
| Thomas Mcintyre | Head | — | 38 | ~1902 |
| Thomas Mcintyre | Son | — | 15 | ~1925 |
| Edna Mcintyre | Spouse | — | 38 | ~1902 |
| Edward Mcintyre | Son | — | 14 | ~1926 |
| Edna Mcintyre | Daughter | — | ~1940 | |
| John Mcintyre | Son | — | 5 | ~1935 |
Census Appearances
1930
Cook, Illinois
Daughter, age 6
Cook, Illinois · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McIntyre |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 16
Cook-County, Illinois · implied b. ~1924 — 7 household members
| Surname | McIntyre |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Worth |
| 1935 Residence (County) | Cook |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 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 Mcintyre across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcintyre
Daughter · 1940 · age 16 · b. ~1924 · Illinois
★ You are viewing this record
Sibling
John Mcintyre
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mcintyre
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Mcintyre
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcintyre
Sibling · 1940 · age 15
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-t0627-00790-00234)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elmer Poltrock | 32 | Head | Laborer | Illinois |
| 42 | Lillian Poltrock | 26 | Wife | — | Illinois |
| 43 | Beverly Ann Poltrock | 6 | Daughter | — | Illinois |
| 44 | Ellene Poltrock | 2 | Daughter | — | Illinois |
| 45 | Harry Shewmaker | 40 | Head | Truck Driver | Kentucky |
| 46 | Mabel Shewmaker | 33 | Wife | — | Illinois |
| 47 | James Shewmaker | 5 | Son | — | Illinois |
| 48 | George Keihl | 35 | Head | Watchman | Illinois |
| 49 | Marie Keihl | 36 | Wife | — | Illinois |
| 50 | John Keihl | 69 | Father | — | Illinois |
| 51 | William Foster | 39 | Head | Stock Clerk | Illinois |
| 52 | Veronica Foster | 35 | Wife | — | Wisconsin |
| 53 | Doris Mae Foster | 12 | Daughter | — | Illinois |
| 54 | Raymond Rusch | 38 | Head | Sprayer | Wisconsin |
| 55 | Frieda Rusch | 38 | Wife | — | Indiana |
| 56 | Shirley Rusch | 10 | Daughter | — | Illinois |
| 57 | Patricia Rusch | 0 | Daughter | — | Illinois |
| 58 | Earl Baker | 36 | Head | Switchman | Wisconsin |
| 59 | Sara Baker | 36 | Wife | — | Minnesota |
| 60 | Ruth Baker | 13 | Daughter | — | Minnesota |
| 61 | Dorothy Baker | 11 | Daughter | — | Illinois |
| 62 | Glenn Baker | 9 | Son | — | Illinois |
| 63 | Jane Baker | 7 | Daughter | — | Indiana |
| 64 | Edward Baker | 2 | Son | — | Illinois |
| 65 | John Kaufeldt | 35 | Head | Carpenter | Illinois |
| 66 | Ethel Kaufeldt | 32 | Wife | — | Illinois |
| 67 | Deloris Kaufeldt | 12 | Daughter | — | Illinois |
| 68 | Jacqueline Kaufeldt | 2 | Daughter | — | Illinois |
| 69 | Patricia Kaufeldt | 0 | Daughter | — | Illinois |
| 70 | George Kaufeldt | 57 | Father | Carpenter | Illinois |
| 71 | Martha Kaufeldt | 53 | Mother | — | Nebraska |
| 72 | Thomas Mcintyre | 38 | Head | Truck Driver | Indiana |
| 73 | Edna Mcintyre | 38 | Wife | — | Illinois |
| 74 | Mary Mcintyre THIS PERSON | 16 | Daughter | — | Illinois |
| 75 | Thomas Mcintyre | 15 | Son | — | Illinois |
| 76 | Edward Mcintyre | 14 | Son | — | Illinois |
| 77 | John Mcintyre | 5 | Son | — | Illinois |
| 78 | Edna Mcintyre | 0 | Daughter | — | Illinois |
| 79 | George Bontemps | 52 | Head | Carpenter | France |
| 80 | Sylvia Bontemps | 40 | Wife | — | Wisconsin |
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)