HB
Harold Baker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Harold Baker across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Baker |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Mailman |
| Industry | City P.O. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2100 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Mailman |
| Township / Ward | Chicago |
| Est. Birth Year | ~1900 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Harold Baker | Son | — | 17 | ~1923 |
| Anna Kautzky | Other | — | 72 | ~1868 |
| Harold Baker | Head | — | 40 | ~1900 |
| Lillian Baker | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Cook, Illinois
Son, age 20
Cook, Illinois · implied b. ~1900 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | Harold D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Michigan |
| Occupation | Assistant Cashier |
| Industry | Bank |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 30
Cook, Illinois · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | Harold D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Michigan |
| Occupation | Mail Carrier |
| Industry | U. S. Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 4500 |
| Radio Set | R |
| Veteran | Yes WW |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 40
Cook-County, Illinois · implied b. ~1900 — 4 household members
| Surname | Baker |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Mailman |
| Industry | City P.O. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2100 |
| Highest Grade | H-4 |
| 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 Harold Baker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Harold Baker
Head · 1940 · age 40 · b. ~1900 · Illinois
★ You are viewing this record
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-t0627-00951-00602)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harold Baker THIS PERSON | 40 | Head | Mailman | Illinois |
| 42 | Lillian Baker | 36 | Wife | — | Illinois |
| 43 | Harold Baker | 17 | Son | — | Illinois |
| 44 | Anna Kautzky | 72 | Mother in law | — | Bohemia |
| 45 | James Koran | 42 | Head | Printer | Illinois |
| 46 | Bessie Koran | 42 | Wife | — | Illinois |
| 47 | Koran | 14 | Daughter | — | Illinois |
| 48 | Anton Ryjacek | 68 | Head | Street Sweeper | Czech |
| 49 | Marie Ryjacek | 68 | Wife | — | Czech |
| 50 | Jerry Ryjacek | 41 | Son | General Office Work | Illinois |
| 51 | Harvey Dangel | 27 | Head | Baker | Illinois |
| 52 | Marcella Dangel | 27 | Wife | — | Illinois |
| 53 | John Pavlik | 58 | Head | Canvas Wrapper | Czech |
| 54 | Elizabeth Pavlik | 50 | Wife | — | Czech |
| 55 | Anna Pavlik | 20 | Daughter | Steno | Illinois |
| 56 | Joseph Purcal | 31 | Head | Salesman | Illinois |
| 57 | Zdenka Purcal | 28 | Wife | — | Michigan |
| 58 | Elmer Capek | 27 | Head | Truck Driver | Illinois |
| 59 | Gladys Capek | 29 | Wife | — | Illinois |
| 60 | Edward Stych | 42 | Head | Electrician | Illinois |
| 61 | Rose Stych | 37 | Wife | — | Illinois |
| 62 | Irvina Stych | 10 | Daughter | — | Illinois |
| 63 | Edward Stych | 6 | Son | — | Illinois |
| 64 | Edward Masting | 47 | Brother in law | Tailor | Czech |
| 65 | Joseph Sedivec | 43 | Head | Printing Pressman | Illinois |
| 66 | Bessie Sedivec | 38 | Wife | Shop Worker | Illinois |
| 67 | Lorraine Sedivec | 16 | Daughter | — | Illinois |
| 68 | Anna Brasnickey | 61 | Mother in law | — | Czech |
| 69 | Frank Woskowski | 63 | Head | — | Poland |
| 70 | Josephine Woskowski | 54 | Wife | — | Poland |
| 71 | Casimir Woskowski | 33 | Son | Foreman | Poland |
| 72 | Martha Woskowski | 29 | Daughter in law | — | Illinois |
| 73 | Walter Casembeki | 29 | Head | Printer | Illinois |
| 74 | Sophie Casembeki | 27 | Wife | Saleslady | Illinois |
| 75 | Donald Casembeki | 3 | Son | — | Illinois |
| 76 | Benjamin Sryfarski | 43 | Head | Pressman | Illinois |
| 77 | Mary Sryfarski | 37 | Wife | Telephone Op | Illinois |
| 78 | Edmund Sryfarski | 14 | Son | — | Illinois |
| 79 | George Donahue | 31 | Head | Office Clerk | Illinois |
| 80 | Julia Donahue | 31 | Wife | — | New York |
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)