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Frank Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Frank Harris across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 3-person household.
Age 55
b. ~1885
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Harris |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Berwyn City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Marble Setter |
| Industry | Marble contractor |
| Class of Worker | PW |
| Income (1939) | 1874 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Marble Setter |
| Township / Ward | Berwyn 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Harris | Head | — | 55 | ~1885 |
| Fred Harris | Son | — | 31 | ~1909 |
| Anna Harris | Spouse | — | 53 | ~1887 |
Census Appearances
1910
Cook, Illinois
Head, age 25
Cook, Illinois · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| Years Married | 2 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Marble Cutter |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Head, age 34
Cook, Illinois · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Tile Setter |
| Industry | Marble Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 45
Cook, Illinois · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Marble Setter |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 11,000 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 55
Cook-County, Illinois · implied b. ~1885 — 3 household members
| Surname | Harris |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Berwyn City |
| 1935 Residence (County) | Cook |
| Occupation | Marble Setter |
| Industry | Marble contractor |
| Class of Worker | PW |
| Income (1939) | 1874 |
| 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 Frank Harris across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Harris
Head · 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-t0627-00772-00790)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Klenovec | 61 | Head | Butcher | Slovakia |
| 42 | Elizabeth Klenovec | 57 | Wife | — | Hungary |
| 43 | James Nikodem | 52 | Head | — | Czecho-Slovakia |
| 44 | Antonette Nikodem | 50 | Wife | — | Czecho-Slovakia |
| 45 | Grace Nikodem | 19 | Daughter | Typist | Illinois |
| 46 | Anton Jaros | 38 | Head | Undertaker | Illinois |
| 47 | Elsie Jaros | 37 | Wife | — | Illinois |
| 48 | Ethel Jaros | 16 | Daughter | — | Illinois |
| 49 | Betty Jaros | 9 | Daughter | — | Illinois |
| 50 | Frank Strobl | 64 | Head | Shaper | Czecho-Slovakia |
| 51 | Katerina Strobl | 60 | Wife | — | Czecho-Slovakia |
| 52 | Anton M. Kostka | 39 | Head | Store Keeper | Illinois |
| 53 | Marion Kostka | 35 | Wife | — | Illinois |
| 54 | Robert Kostka | 11 | Son | — | Illinois |
| 55 | Frank Pakosnik | 65 | Head | Cigar Maker | Czecho-Slovakia |
| 56 | Carrie Pakosnik | 60 | Wife | — | Czecho-Slovakia |
| 57 | Frank Jr. Pakosnik | 23 | Son | Draftsman | Illinois |
| 58 | Clarence Pakosnik | 35 | Son | Oil Burner Installer | Illinois |
| 59 | Marie Pakosnik | 23 | Daughter-in-law | — | Illinois |
| 60 | Emil Rolenec | 52 | Head | Building Contractor | Illinois |
| 61 | Anna Rolenec | 46 | Wife | Flower Maker | Illinois |
| 62 | Robert Rolenec | 21 | Son | — | Illinois |
| 63 | Anton Braga | 72 | Head | Proprietor | Czecho-Slovakia |
| 64 | Maurice Schwarzkopf | 62 | Head | — | Czecho-Slovakia |
| 65 | Bertha Schwarzkopf | 58 | Wife | — | Czecho-Slovakia |
| 66 | Frank Harris THIS PERSON | 55 | Head | Marble Setter | Illinois |
| 67 | Anna Harris | 53 | Wife | — | Illinois |
| 68 | Fred J. Harris | 31 | Son | Lawyer | Illinois |
| 69 | Louis Jirkovsky | 59 | Head | Millwright | Czecho-Slovakia |
| 70 | Anna Jirkovsky | 58 | Wife | — | Czecho-Slovakia |
| 71 | Charles Broj | 59 | Head | Cabinet Maker | Czecho-Slovakia |
| 72 | Hedwig Broj | 51 | Wife | — | Czecho-Slovakia |
| 73 | Charles Jr. Broj | 26 | Son | General Office Work | Illinois |
| 74 | Frank J. Horacek | 47 | Head | Plasterer | Illinois |
| 75 | Mae Horacek | 42 | Wife | — | Illinois |
| 76 | Frank Horacek | 18 | Son | New Worker | Illinois |
| 77 | Anna Horacek | 17 | Daughter | — | Illinois |
| 78 | Robert Horacek | 15 | Son | — | Illinois |
| 79 | Phyllis Horacek | 5 | Daughter | — | Illinois |
| 80 | Antonette Vrba | 52 | Head | — | 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)