MD
Mary Dolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Dolan across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 6-person household.
Age 57
b. ~1883
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Dolan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1883 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elaine Dolan | Daughter | — | 19 | ~1921 |
| Ruth Dolan | Daughter | — | 17 | ~1923 |
| Mary Dolan | Spouse | — | 57 | ~1883 |
| Albert Dolan | Head | — | 60 | ~1880 |
| Charles Dolan | Son | — | 21 | ~1919 |
| Eugene Dolan | Son | — | 22 | ~1918 |
Census Appearances
1930
Cook, Illinois
Spouse, age 47
Cook, Illinois · implied b. ~1883 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dolan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 21 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Cook-County, Illinois
Spouse, age 57
Cook-County, Illinois · implied b. ~1883 — 6 household members
| Surname | Dolan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Dolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dolan
Spouse · 1940 · age 57 · b. ~1883 · 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-t0627-00941-00508)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Concetta Laritano | 50 | Wife | — | Italy |
| 42 | Frank Laritano | 27 | Son | Re-Packer | Italy |
| 43 | Louis Laritano | 24 | Son | Straightener | Italy |
| 44 | Jeanette Laritano | 20 | Daughter | Re-Packer | Italy |
| 45 | Margaret Laritano | 16 | Daughter | — | Illinois |
| 46 | Ernest Laritano | 12 | Son | — | Illinois |
| 47 | Florence Laritano | 9 | Daughter | — | Illinois |
| 48 | Edward R. Warner | 34 | Head | Stationery Engineer | Illinois |
| 49 | Marie Warner | 30 | Wife | — | Illinois |
| 50 | Vivian Warner | 8 | Daughter | — | Illinois |
| 51 | Mary L. Warner | 5 | Daughter | — | Illinois |
| 52 | Jacqueline Warner | 3 | Daughter | — | Illinois |
| 53 | Nellie L. Warner | 1 | Daughter | — | Illinois |
| 54 | Eleanor De Groot | 16 | Maid | Housework | Wisconsin |
| 55 | Richard Crick | 45 | Head | Electric Welder | Illinois |
| 56 | Alma Crick | 43 | Wife | — | Wisconsin |
| 57 | George Krummech | 41 | Head | Steam Engineer | Illinois |
| 58 | Anne Krummech | 36 | Wife | — | Illinois |
| 59 | Thomas Krummech | 11 | Son | — | Illinois |
| 60 | Edgar G. Wallin | 43 | Head | Machine Operator | Illinois |
| 61 | Here Ends Block 23 And Begins Block 24 | None | — | — | — |
| 62 | John Dimming | 52 | Head | Machinist | Ohio |
| 63 | Lulu Dimming | 48 | Wife | — | Ohio |
| 64 | John A. Dimming | 10 | Son | — | Illinois |
| 65 | Frank P. Bougie | 41 | Head | Electrician | Illinois |
| 66 | Ruth Bougie | 46 | Wife | — | Illinois |
| 67 | Earl Bougie | 18 | Son | — | Illinois |
| 68 | Shirley Bougie | 17 | Daughter | — | Illinois |
| 69 | Gilbert Bougie | 11 | Son | — | Illinois |
| 70 | Elmer Waldner | 53 | Head | Electrician | Ohio |
| 71 | Ruth Waldner | 47 | Wife | — | Michigan |
| 72 | Albert Dolan | 60 | Head | Stationary Blacksmith | Indiana |
| 73 | Mary Dolan THIS PERSON | 57 | Wife | — | Indiana |
| 74 | Eugene Dolan | 22 | Son | Heater Machinist | Illinois |
| 75 | Charles Dolan | 21 | Son | Clerk | Illinois |
| 76 | Elaine Dolan | 19 | Daughter | Telephone Operator | Illinois |
| 77 | Ruth Dolan | 17 | Daughter | — | Illinois |
| 78 | Selena Grall | 68 | Head | — | Sweden |
| 79 | Emil Grall | 36 | Son | Electrician | Illinois |
| 80 | Ben Grall | 32 | Son | Worker | 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)