MD
Mary Dooley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Dooley across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 5-person household.
Age 39
b. ~1901
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Dooley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Chicago |
| Est. Birth Year | ~1901 |
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 |
|---|---|---|---|---|
| Betty Dooley | Daughter | — | 12 | ~1928 |
| Frances Dooley | Daughter | — | 15 | ~1925 |
| Mary Dooley | Spouse | — | 39 | ~1901 |
| Frank Dooley | Head | — | 44 | ~1896 |
| Margaret Dooley | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Cook, Illinois
Spouse, age 29
Cook, Illinois · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dooley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1928 |
| Age at First Marriage | 20 |
| Father's Birthplace | North Ireland |
| Mother's Birthplace | North Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Cook-County, Illinois
Spouse, age 39
Cook-County, Illinois · implied b. ~1901 — 5 household members
| Surname | Dooley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Dooley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dooley
Spouse · 1940 · age 39 · b. ~1901 · 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
40 people indexed on this census page (nara:1940:m-t0627-00979-00786)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rose Johnson | 24 | Daughter | Helper | Illinois |
| 42 | Thomas Mckenna | 20 | Son | Wagon Boy | Illinois |
| 43 | William Mckenna | 17 | Son | Delivery Boy | Illinois |
| 44 | Alice Mckenna | 13 | Daughter | — | Illinois |
| 45 | Sarah Haworth | 74 | Mother in law | — | England |
| 46 | Margaret Johnson | 7 | Grand daughter | — | Illinois |
| 47 | Patricia Johnson | 6 | Grand daughter | — | Illinois |
| 48 | William Johnson | 4 | Grand son | — | Illinois |
| 49 | Mike Cosmano | 55 | Head | Carpenter | Italy |
| 50 | Lena Cosmano | 56 | Wife | — | Italy |
| 51 | Margaret Cosmano | 18 | Daughter | New Worker | Illinois |
| 52 | Gasper Cosmano | 16 | Son | New Worker | Illinois |
| 53 | Vito Mirabelli | 64 | Head | Laborer | Italy |
| 54 | Rose Mirabelli | 54 | Wife | — | Italy |
| 55 | David Mirabelli | 20 | Son | Clerk Stenographer | Illinois |
| 56 | Nick Mirabelli | 24 | Son | Laborer | Illinois |
| 57 | Jean Mirabelli | 22 | Daughter in law | — | Illinois |
| 58 | Joseph Cassio | 57 | Head | Barber | Italy |
| 59 | Carmel Cassio | 58 | Wife | — | New York |
| 60 | James Roberts | 35 | Head | Bartender | Pennsylvania |
| 61 | Eilleen Roberts | 29 | Wife | — | Illinois |
| 62 | Eilleen Kay Roberts | 2 | Daughter | — | Illinois |
| 63 | Frank Dooley | 44 | Head | Lineman | Illinois |
| 64 | Mary Dooley THIS PERSON | 39 | Wife | — | Scotland |
| 65 | Margaret Dooley | 17 | Daughter | — | Illinois |
| 66 | Frances Dooley | 15 | Daughter | — | Illinois |
| 67 | Betty Jane Dooley | 12 | Daughter | — | Illinois |
| 68 | Louis Cantos | 67 | Head | — | Greece |
| 69 | Mary Cantos | 62 | Wife | — | Greece |
| 70 | Bessie Cantos | 29 | Daughter | — | California |
| 71 | Ada Cantos | 24 | Daughter | Shipping Clerk | Indiana |
| 72 | Peter Cantos | 18 | Son | Box Maker | Illinois |
| 73 | Frank Cantos | 16 | Son | Wood Carver | Illinois |
| 74 | Alex Cantos | 36 | Son | — | Wyoming |
| 75 | Walter Kupiec | 39 | Head | Machinist | Illinois |
| 76 | Belle Kupiec | 42 | Wife | Proprietor | Georgia |
| 77 | Margaret Kupiec | 21 | Daughter | — | Illinois |
| 78 | Bridgid Garvin | 70 | Head | Maid | Canada-English |
| 79 | Margaret Chipps | 45 | Niece | — | Illinois |
| 80 | Margaret Chipps | 45 | Niece | — | 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)