MR
Mary Russell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Russell across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1867), then head of a 22-person household.
Age 73
b. ~1867
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Russell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1867 |
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.
22 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Clara Mell | Daughter | — | 35 | ~1905 |
| Marion Kerrans | Daughter | — | ~1940 | |
| Irene Kerrans | Daughter | — | ~1940 | |
| Elaine Feuer | Daughter | — | 5 | ~1935 |
| John Russell | Head | — | 75 | ~1865 |
| Elizabeth Hurley | Other | — | 86 | ~1854 |
| Elsie Kerrans | Other | — | 60 | ~1880 |
| William Lamping | Other | — | 71 | ~1869 |
| Leon Mell | Son | — | 33 | ~1907 |
| Kenneth Kerrans | Son | — | 1 | ~1939 |
| Fred Leeseberg | Son | — | 3 | ~1937 |
| Ralph Mell | Son | — | 30 | ~1910 |
| Raymond Leeseberg | Son | — | 5 | ~1935 |
| Rhoda Mell | Spouse | — | 56 | ~1884 |
| Anna Feuer | Spouse | — | 34 | ~1906 |
| Ruth Kerrans | Spouse | — | 29 | ~1911 |
| Mary Russell | Spouse | — | 73 | ~1867 |
| Sidney Kerrans | Spouse | — | 25 | ~1915 |
| Fred Leeseberg | Spouse | — | 51 | ~1889 |
| Edna Leeseberg | Spouse | — | 44 | ~1896 |
| John Mell | Spouse | — | 56 | ~1884 |
| Max Feuer | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Cook, Illinois
Other, age 65
Cook, Illinois · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Russell |
| Given Name | Mary |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 73
Cook-County, Illinois · implied b. ~1867 — 22 household members
| Surname | Russell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Hours Worked | 0 |
| Income (1939) | 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 Russell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Russell
Spouse · 1940 · age 73 · b. ~1867 · 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-t0627-00980-00004)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Hoog | 41 | Head | — | Ohio |
| 2 | Ida Pehl | 48 | Wife | Clerk | Illinois |
| 3 | Fred Pehl | 50 | Husband | Clerk | Pennsylvania |
| 4 | James Pope | 49 | Husband | General Work | Missouri |
| 5 | Marie Pope | 40 | Wife | — | Illinois |
| 6 | Mary Anderson | 64 | Lodger | — | Sweden |
| 7 | Anthony Gentile | 65 | Head | — | Italy |
| 8 | Nancy Gentile | 62 | Wife | — | Italy |
| 9 | Dominick Gentile | 34 | Son | General Office | Illinois |
| 10 | Michael Gentile | 35 | Husband | Shipping Clerk | Illinois |
| 11 | Sue Gentile | 32 | Wife | — | Illinois |
| 12 | Michael, Jr. Gentile | 2 | Son | — | Illinois |
| 13 | Nancy Gentile | 8 | Daughter | — | Illinois |
| 14 | Bernice Palomes | 54 | Mother | — | Lithuania |
| 15 | Clementina Palomes | 24 | Daughter | School Teacher | Illinois |
| 16 | Clarence Johnson | 38 | Husband | Manager | Minnesota |
| 17 | Ann Johnson | 40 | Wife | Candy Wrapper | Pennsylvania |
| 18 | Dorothy Williams | 17 | Step Daughter | New Worker | Pennsylvania |
| 19 | John Russell | 75 | Head | — | Illinois |
| 20 | Mary Russell THIS PERSON | 73 | Wife | — | Illinois |
| 21 | John Mell | 56 | Husband | — | Lithuania |
| 22 | Rhoda Mell | 56 | Wife | — | Lithuania |
| 23 | Clara Mell | 35 | Daughter | Office Addresser | Iowa |
| 24 | Leon Mell | 33 | Son | Attendant | Iowa |
| 25 | Ralph Mell | 30 | Son | Driver | Iowa |
| 26 | Sidney Kerrans | 25 | Husband | General Office | Illinois |
| 27 | Ruth Kerrans | 29 | Wife | — | Illinois |
| 28 | Kenneth Kerrans | 1 | Son | — | Illinois |
| 29 | Marion Kerrans | 0 | Daughter | — | Illinois |
| 30 | Irene Kerrans | 0 | Daughter | — | Illinois |
| 31 | Elsie Kerrans | 60 | Mother-in-law | — | Missouri |
| 32 | Fred Leeseberg | 51 | Husband | Superintendent | Illinois |
| 33 | Edna Leeseberg | 44 | Wife | — | Illinois |
| 34 | Raymond Leeseberg | 5 | Son | — | Illinois |
| 35 | Fred, Jr. Leeseberg | 3 | Son | — | Illinois |
| 36 | William Lamping | 71 | Uncle | — | Illinois |
| 37 | Elizabeth Hurley | 86 | Mother-in-law | — | Illinois |
| 38 | Max Feuer | 39 | Husband | Laborer | New Jersey |
| 39 | Anna Feuer | 34 | Wife | — | Russia |
| 40 | Elaine Feuer | 5 | Daughter | — | 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)