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Frank Foster — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Frank Foster across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 3-person household.
Age 69
b. ~1871
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Foster |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Berwyn City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | House Painter |
| Industry | Interior and exterior decorator |
| Class of Worker | OA |
| Income (1939) | 390 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Painter |
| Township / Ward | Berwyn City |
| Est. Birth Year | ~1871 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Anna Foster | Daughter | — | 38 | ~1902 |
| Frank Foster | Head | — | 69 | ~1871 |
| Katherine Foster | Spouse | — | 71 | ~1869 |
Census Appearances
1910
Cook, Illinois
Head, age 42
Cook, Illinois · implied b. ~1868 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| Years Married | 10 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Waiter |
| Industry | Restaurant |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Head, age 52
Cook, Illinois · implied b. ~1868 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Waiter |
| Industry | Hotel |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 61
Cook, Illinois · implied b. ~1869 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Waiter |
| Industry | Hotel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 95 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 69
Cook-County, Illinois · implied b. ~1871 — 3 household members
| Surname | Foster |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Berwyn City |
| 1935 Residence (County) | Cook |
| Occupation | House Painter |
| Industry | Interior and exterior decorator |
| Class of Worker | OA |
| Income (1939) | 390 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| 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 Frank Foster across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Foster
Head · 1940 · age 69 · b. ~1871 · 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-t0627-00772-00488)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Albert Lubien | 43 | Head | Stock Manager | Illinois |
| 42 | Harriet Lubien | 38 | Wife | — | Wisconsin |
| 43 | James Lubien | 17 | Son | — | Illinois |
| 44 | Germaine Lubien | 16 | Daughter | — | Illinois |
| 45 | John Lubien | 15 | Son | — | Illinois |
| 46 | Generose Lubien | 14 | Daughter | — | Wisconsin |
| 47 | Grace Lubien | 13 | Daughter | — | Illinois |
| 48 | Jerome Lubien | 12 | Son | — | Illinois |
| 49 | Patricia Lubien | 6 | Daughter | — | Illinois |
| 50 | Buford Smith | 39 | Head | Salesman | Illinois |
| 51 | Virginia Smith | 33 | Wife | — | Pennsylvania |
| 52 | William Smith | 15 | Son | — | Pennsylvania |
| 53 | Robert Smith | 14 | Son | — | Illinois |
| 54 | Gloria Smith | 8 | Daughter | — | Illinois |
| 55 | Anthony Mcdermott | 37 | Head | Accountant | Illinois |
| 56 | Viola Mcdermott | 36 | Wife | — | Illinois |
| 57 | Jeanne Mcdermott | 11 | Daughter | — | Illinois |
| 58 | Neil Mcdermott | 8 | Son | — | Illinois |
| 59 | Marilyn Mcdermott | 2 | Daughter | — | Illinois |
| 60 | George Lindroth | 41 | Head | Machine Repairman | Sweden |
| 61 | Ann Lindroth | 37 | Wife | — | Czechoslovakia |
| 62 | Edwin Lindroth | 4 | Son | — | Illinois |
| 63 | David Holmgren | 50 | Head | Postal Railway Clerk | Illinois |
| 64 | Ellen Holmgren | 50 | Wife | — | Illinois |
| 65 | Lloyd Holmgren | 21 | Son | Electrical Research Laboratory | Illinois |
| 66 | Robert Holmgren | 19 | Son | Electrical Research Laboratory | Illinois |
| 67 | Paul Holmgren | 17 | Son | — | Illinois |
| 68 | Carl Holmgren | 12 | Son | — | Illinois |
| 69 | Edward Foster | 47 | Head | Undertaker Assistant | Illinois |
| 70 | Anna Foster | 46 | Wife | — | Illinois |
| 71 | Clarence Foster | 26 | Son | Toolmaker | Illinois |
| 72 | Elsie Foster | 26 | Daughter in law | Private Secretary | Illinois |
| 73 | Frank Foster THIS PERSON | 69 | Head | House Painter | Illinois |
| 74 | Katherine Foster | 71 | Wife | — | Illinois |
| 75 | Anna Foster | 38 | Daughter | Beauty Operator | Illinois |
| 76 | George Stastny | 39 | Head | Dress Cutter | Illinois |
| 77 | Harriet Stastny | 29 | Wife | — | Illinois |
| 78 | Robert Stastny | 2 | Son | — | Illinois |
| 79 | Frank Zak | 61 | Head | Bartender | Czechoslovakia |
| 80 | Frank Anton Zak | 34 | Son | Road Construction | 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)