JH
John Harrison — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Harrison across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Harrison |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Cartage Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1600 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Truck Driver |
| Township / Ward | Chicago |
| Est. Birth Year | ~1908 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Geraldine Harrison | Daughter | — | 9 | ~1931 |
| John Harrison | Head | — | 32 | ~1908 |
| John Harrison | Son | — | 1 | ~1939 |
| Donald Harrison | Son | — | 4 | ~1936 |
| Anna Harrison | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 22
Cook, Illinois · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Truck Driver |
| Industry | Lumber Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 32
Cook-County, Illinois · implied b. ~1908 — 5 household members
| Surname | Harrison |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Truck Driver |
| Industry | Cartage Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1600 |
| 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 John Harrison across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Harrison (~0.92 confidence) and father John Harrison (~0.92 confidence) and mother Helen Harrison (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Harrison
b. ~1877
Source father
● Household
· direct · ~0.92
Father
John Harrison
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Helen Harrison
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Harrison
Head · 1940 · age 32 · b. ~1908 · 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-t0627-00947-00417)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Jr. Riley | 5 | Son | — | Illinois |
| 2 | Violet Riley | 19 | Daughter | Sales Girl | Illinois |
| 3 | Miles Beck | 24 | Lodger | Aircraft Mechanic | Illinois |
| 4 | John Moore | 66 | Head | Foreman Of Fluids | Irish Free State |
| 5 | Nellie Moore | 66 | Wife | — | Irish Free State |
| 6 | J. Piller Moore | 25 | Daughter | 2Nd Office Clerk | Illinois |
| 7 | Edward Kiley | 55 | Head | Stock Sorter | Florida |
| 8 | Elizabeth Kiley | 44 | Wife | — | Illinois |
| 9 | Marguerite Kiley | 19 | Daughter | Jr Office Clerk | Illinois |
| 10 | Edward Jr. Kiley | 13 | Son | — | Illinois |
| 11 | Glen Larson | 25 | Lodger | Laborer | Wisconsin |
| 12 | Anne Larson | 23 | Lodger Wife | Laborer | Illinois |
| 13 | Charles Hamill | 46 | Head | Laborer | Illinois |
| 14 | Marie Hamill | 46 | Wife | — | Illinois |
| 15 | John Harrison THIS PERSON | 32 | Head | Truck Driver | Illinois |
| 16 | Anna Harrison | 29 | Wife | — | Illinois |
| 17 | Donald Harrison | 4 | Son | — | Illinois |
| 18 | Geraldine Harrison | 9 | Daughter | — | Illinois |
| 19 | John Jr. Harrison | 1 | Son | — | Illinois |
| 20 | Ignatius Domovich | 50 | Head | Machine Hand | Jugoslavia |
| 21 | Elizabeth Domovich | 46 | Wife | — | Jugoslavia |
| 22 | Anna Domovich | 24 | Daughter | Factory Inspector | Illinois |
| 23 | Joseph Domovich | 23 | Son | Book Keeper | Illinois |
| 24 | Grace Domovich | 9 | Daughter | — | Illinois |
| 25 | Joseph Maano | 50 | Head | Water Pipe | Italy |
| 26 | Rose Maano | 50 | Wife | — | Italy |
| 27 | Mello Maano | 27 | Son | Laborer | Illinois |
| 28 | Pete Maano | 25 | Son | Water Piper | Illinois |
| 29 | Joseph Jr. Maano | 19 | Son | Shipping Clerk | Illinois |
| 30 | Dominick Maano | 13 | Son | — | Illinois |
| 31 | Rita Maano | 21 | Daughter | Laborer | Illinois |
| 32 | Mary Maano | 19 | Daughter | — | Illinois |
| 33 | Angela Maano | 16 | Daughter | — | Illinois |
| 34 | Chris Maano | 15 | Daughter | — | Illinois |
| 35 | Rose Maano | 11 | Daughter | — | Illinois |
| 36 | Frank Jacobs | 29 | Head | Truck Driver | Illinois |
| 37 | Josephine Jacobs | 26 | Daughter | Sales Clerk | Illinois |
| 38 | Jerry Jacobs | 8 | Grand Son | — | Illinois |
| 39 | Frank Jr. Jacobs | 4 | Grand Son | — | Illinois |
| 40 | Frank Kalinowski | 42 | Head | Chief Clerk | Illinois |
Pedigree Summary
John
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)