MH
Mary Haley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Haley across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 7-person household.
Age 53
b. ~1887
Female
Spouse
Born: Vermont
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Haley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No H 2 |
| 1935 Residence | Same House |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Township / Ward | Chicago |
| Est. Birth Year | ~1887 |
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 |
|---|---|---|---|---|
| Edward Haley | Son | — | 26 | ~1914 |
| Mary Haley | Spouse | — | 53 | ~1887 |
| Walter Haley | Son | — | 22 | ~1918 |
| James Haley | Son | — | 10 | ~1930 |
| Betty Haley | Daughter | — | 17 | ~1923 |
| Catherine Haley | Daughter | — | 20 | ~1920 |
| Thomas Haley | Head | — | 57 | ~1883 |
Census Appearances
1930
Cook, Illinois
Other, age 43
Cook, Illinois · implied b. ~1887 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haley |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Vermont |
| Age at First Marriage | 21 |
| Father's Birthplace | Canada Eng. |
| Mother's Birthplace | Canada Irish |
| Can Read/Write | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Cook-County, Illinois
Spouse, age 53
Cook-County, Illinois · implied b. ~1887 — 7 household members
| Surname | Haley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | No H 2 |
| 1935 Residence | Same House |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 Haley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Haley
Spouse · 1940 · age 53 · b. ~1887 · Illinois
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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
39 people indexed on this census page (nara:1940:m-t0627-00997-00406)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucille Robinson | 27 | Head | — | Illinois |
| 42 | Doris Jean Robinson | 2 | Daughter | — | Illinois |
| 43 | Russell Compel | 33 | Head | Service | Illinois |
| 44 | Agnes Compel | 30 | Wife | — | Illinois |
| 45 | Russell Compel | 7 | Son | — | Illinois |
| 46 | Einar England | 36 | Head | Asst Foreman | Sweden |
| 47 | Helen England | 27 | Wife | — | Illinois |
| 48 | Ronald England | 4 | Son | — | Illinois |
| 50 | Clint Atkins | 50 | Head | Sales Manager | Indiana |
| 51 | Mary Atkins | 39 | Wife | — | Illinois |
| 52 | Catherine Atkins | 18 | Daughter | — | Illinois |
| 53 | Mary Christine Atkins | 8 | Daughter | — | Illinois |
| 54 | April Atkins | 6 | Son | — | Illinois |
| 55 | Mosher Andersuiksen | 76 | Father | — | England |
| 56 | John Mitchell | 39 | Head | Prop. | Greece |
| 57 | Loretta Mitchell | 37 | Wife | — | Illinois |
| 58 | Mary Mitchell | 17 | Daughter | — | Illinois |
| 59 | Stephen Vanko | 39 | Cousin | Clerk | Greece |
| 60 | Peter Johnson | 68 | Head | — | Illinois |
| 61 | Lettie Johnson | 60 | Wife | — | Illinois |
| 62 | Russell Johnson | 38 | Son | Mechanical | Illinois |
| 63 | Vernon Johnson | 35 | Son | Office Assistant | Illinois |
| 64 | Pearl Johnson | 29 | Daughter-in-law | — | Illinois |
| 65 | Joyce Lally | 2 | Granddaughter | — | Illinois |
| 66 | John J. Lyons | 56 | Head | Manager | Connecticut |
| 67 | Clara V. Lyons | 55 | Wife | — | Illinois |
| 68 | Robert Thomas Roberto | 47 | Head | Supt. Service | Missouri |
| 69 | Aletta Roberto | 47 | Wife | — | Ohio |
| 70 | Clark Bundick | 41 | Head | Manager | New York |
| 71 | Irene Bundick | 37 | Wife | — | New York |
| 72 | James Bundick | 9 | Son | — | New York |
| 73 | Patricia Bundick | 1 | Daughter | — | Illinois |
| 74 | Thomas Haley | 57 | Head | Asst. Foreman | Illinois |
| 75 | Mary Haley THIS PERSON | 53 | Wife | — | Vermont |
| 76 | Edward Haley | 26 | Son | New Worker | Illinois |
| 77 | Walter Haley | 22 | Son | New Worker | Illinois |
| 78 | Catherine Haley | 20 | Daughter | Operator | Illinois |
| 79 | Betty Jane Haley | 17 | Daughter | — | Illinois |
| 80 | James Haley | 10 | Son | — | Illinois |
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)