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Jennie Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Jennie Smith across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 4-person household.
Age 55
b. ~1885
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Smith |
| Given Name | Jennie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Pottowatomie |
| 1935 Residence (County) | Oklahoma |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Oklahoma |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1885 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jennie | Age | Birth yr |
|---|---|---|---|---|
| John Smith | Head | — | 55 | ~1885 |
| Jean Watt | Other | — | 84 | ~1856 |
| Walter Smith | Son | — | 22 | ~1918 |
| Jennie Smith | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Cook, Illinois
Spouse, age 35
Cook, Illinois · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Jennie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1910 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Cook, Illinois
Other, age 45
Cook, Illinois · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Jenny |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 28 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Cook-County, Illinois
Spouse, age 55
Cook-County, Illinois · implied b. ~1885 — 4 household members
| Surname | Smith |
| Given Name | Jennie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Pottowatomie |
| 1935 Residence (County) | Oklahoma |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Oklahoma |
| 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 Jennie Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Jennie Smith
Spouse · 1940 · age 55 · b. ~1885 · 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-t0627-00939-00476)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mabel Wahlgren | 39 | Wife | — | Illinois |
| 42 | Lorraine Wahlgren | 15 | Daughter | — | Illinois |
| 43 | Doris Wahlgren | 6 | Daughter | — | Illinois |
| 44 | Karl Wilson | 51 | Head | Fitter | Sweden |
| 45 | Christina Wilson | 47 | Wife | — | Sweden |
| 46 | Anna Mae Wilson | 15 | Daughter | Comptometer | Illinois |
| 47 | Gerhard Johnson | 41 | Lodger | — | Sweden |
| 48 | Thurston | 35 | Lodger | Bartender | Sweden |
| 49 | Richard Westerberg | 35 | Head | Truck Driver | Illinois |
| 50 | Sadie Westerberg | 33 | Wife | — | Illinois |
| 51 | Ronald Westerberg | 8 | Son | — | Illinois |
| 52 | Delores Westerberg | 6 | Daughter | — | Illinois |
| 53 | John Smith | 55 | Head | Carman | Scotland |
| 54 | Jennie Smith THIS PERSON | 55 | Wife | — | Scotland |
| 55 | Walter R Smith | 22 | Son | Apprentice | Oklahoma |
| 56 | Jean Watt | 84 | Mother-in-law | — | Scotland |
| 57 | August Helmen | 76 | Head | — | Sweden |
| 58 | Anna Helmen | 51 | Wife | — | Sweden |
| 59 | Alfred Johnson | 62 | Lodger | Laborer | Sweden |
| 60 | Sam Morris | 48 | Lodger | Laborer | Italy |
| 61 | Augusta Bloom | 75 | Head | — | Sweden |
| 62 | Norman Charles Bloom | 40 | Son-in-law | Clerk | Sweden |
| 63 | Edna Bloom | 40 | Daughter | — | Illinois |
| 64 | Diana Bloom | 5 | Daughter | — | Illinois |
| 65 | Carl Johnson | 60 | Head | Cabinet Maker | Sweden |
| 66 | Christina Johnson | 58 | Wife | — | Sweden |
| 67 | Helmer Johnson | 30 | Son | Office Clerk | Illinois |
| 68 | Charles Pedersen | 70 | Head | In Service | Sweden |
| 69 | Anna Pedersen | 64 | Wife | — | Sweden |
| 70 | Frank Kizak | 59 | Head | Painter | Czechoslovakia |
| 71 | Matilda Kizak | 55 | Wife | — | Czechoslovakia |
| 72 | Anna Kizak | 28 | Daughter | — | Illinois |
| 73 | Mildred Kizak | 26 | Daughter | Stenographer | Illinois |
| 74 | Stephen Kizak | 20 | Son | Mechanic | Illinois |
| 75 | Louis Malnasy | 58 | Head | Salesman | Hungary |
| 76 | Julia Malnasy | 48 | Wife | — | Hungary |
| 77 | Lillian Malnasy | 25 | Daughter | Secretary | Illinois |
| 78 | Louis Malnasy | 23 | Son | Watchman | Illinois |
| 79 | Ernest Malnasy | 27 | Son | Attendant | Illinois |
| 80 | Leslie Malnasy | 19 | 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)