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Bertha Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Bertha Smith across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1855), then head of a 8-person household.
Age 85
b. ~1855
Female
Head
Born: Germany
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Smith |
| Given Name | Bertha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 85 |
| Marital Status | Widowed |
| Birthplace | Germany |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Chicago |
| Est. Birth Year | ~1855 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Sue Imler | Daughter | — | 50 | ~1890 |
| Bertha Smith | Head | — | 85 | ~1855 |
| Daughter Hafen | Other | — | — | |
| Dorothy Imler | Other | — | 15 | ~1925 |
| Ruth Imler | Other | — | 17 | ~1923 |
| Shirley Imler | Other | — | 11 | ~1929 |
| John Hafen | Son | — | 51 | ~1889 |
| Grover Hafen | Son | — | 41 | ~1899 |
Census Appearances
1920
Cook, Illinois
Head, age 63
Cook, Illinois · implied b. ~1857 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Bertha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Year of Immigration | 1876 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1930
Cook, Illinois
Head, age 73
Cook, Illinois · implied b. ~1857 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Bertha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1860 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Cook-County, Illinois
Head, age 85
Cook-County, Illinois · implied b. ~1855 — 8 household members
| Surname | Smith |
| Given Name | Bertha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 85 |
| Marital Status | Widowed |
| Birthplace | Germany |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Industry | 0 |
| Highest Grade | No |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Bertha 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
Bertha Smith
Head · 1940 · age 85 · b. ~1855 · 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
38 people indexed on this census page (nara:1940:m-t0627-00933-01039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Reichert | 34 | Head | Clerk | Illinois |
| 42 | Ida Reichert | 35 | Wife | — | Kentucky |
| 43 | Bertha Smith THIS PERSON | 85 | Head | — | Germany |
| 44 | Daughter Hafen | None | F | 0 | — |
| 45 | John B. Hafen | 51 | Son | Mechanic | Illinois |
| 46 | Grover C. Hafen | 41 | Son | Mechanic | Illinois |
| 47 | Sue Imler | 50 | Daughter | — | Illinois |
| 48 | Ruth Imler | 17 | Granddaughter | — | Illinois |
| 49 | Dorothy Imler | 15 | Granddaughter | — | Illinois |
| 50 | Shirley Imler | 11 | Granddaughter | — | Illinois |
| 51 | Mary E. Steers | 79 | Head | — | Ohio |
| 52 | Grace Steers | 40 | Daughter | Supervisor | Illinois |
| 53 | Edward Everhard | 32 | Head | Clerk Office | Illinois |
| 54 | Armilla Everhard | 29 | Wife | — | So. Dakota |
| 55 | Joseph Garland | 53 | Head | Painter | Ireland |
| 56 | Dale Garland | 37 | Wife | — | Illinois |
| 57 | Robert Wade | 20 | Stepson | Painter | Illinois |
| 58 | John A. Coyle | 32 | Head | Conductor | Illinois |
| 59 | Frances Coyle | 34 | Wife | — | Free State |
| 60 | William Coyle | 9 | Son | — | Illinois |
| 61 | Albert G. Sawyer | 57 | Head | — | Illinois |
| 62 | Anna B. Sawyer | 52 | Wife | — | Illinois |
| 63 | Nellie Harrison | 78 | Aunt | — | Illinois |
| 65 | Earl Keightley | 29 | Head | Salesman | Missouri |
| 66 | Barbara Keightley | 26 | Wife | — | Illinois |
| 67 | Ann Caroline Keightley | 1 | Daughter | — | Illinois |
| 68 | Julius Levin | 29 | Head | Salesman | Illinois |
| 69 | Mae Levin | 26 | Wife | — | Minnesota |
| 70 | Myron Levin | 5 | Son | — | Illinois |
| 71 | Melinda Levin | 2 | Daughter | — | Illinois |
| 72 | Richard Hurtt | 30 | Head | Painter | Iowa |
| 73 | Mae Hurtt | 28 | Wife | — | Illinois |
| 74 | Shirley Hurtt | 9 | Daughter | — | Illinois |
| 75 | Richard Hurtt | 1 | Son | — | Illinois |
| 76 | Frank Buckle | 28 | Head | Truck Driver | New York |
| 77 | Mary Buckle | 24 | Wife | — | Illinois |
| 78 | Janelle Buckle | 3 | Daughter | — | Illinois |
| 79 | Barbara Buckle | 2 | 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)