HJ
Harry Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Harry Jackson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Katharine — first a son (b.~1895), then head of a 4-person household.
Age 45
b. ~1895
Male
Son
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jackson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Trucking Company |
| Class of Worker | PW |
| Income (1939) | 420 |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Truck Driver |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1895 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Mildred Brown | Daughter | — | 43 | ~1897 |
| Katharine Bell | Head | — | 72 | ~1868 |
| Mildred Jackson | Other | — | 14 | ~1926 |
| Harry Jackson | Son | — | 45 | ~1895 |
Census Appearances
1920
Cook, Illinois
Other, age 27
Cook, Illinois · implied b. ~1893 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harry |
| Relationship to Head | Roomer |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Chauffeur |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 36
Cook, Illinois · implied b. ~1894 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Chauffeur |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 45
Cook-County, Illinois · implied b. ~1895 — 4 household members
| Surname | Jackson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Truck Driver |
| Industry | Trucking Company |
| Class of Worker | PW |
| Income (1939) | 420 |
| Highest Grade | No 5 |
| 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 Harry Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Katharine Bell (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Katharine Bell
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Jackson
Son · 1940 · age 45 · b. ~1895 · Illinois
★ You are viewing this record
Sibling
Mildred Brown
Sibling · 1940 · age 43
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-00977-00835)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Aaron Montgomery | 34 | Son | Wringer | Kentucky |
| 2 | Herman Montgomery | 14 | Grand Son | — | Illinois |
| 3 | Gladys Montgomery | 13 | Grand Daughter | — | Illinois |
| 4 | Lela James | 51 | Lodger | — | North Carolina |
| 5 | Flora R. Kobele | 49 | Head | — | Pennsylvania |
| 6 | Garland K. Kobele | 23 | Son | Clerk | Illinois |
| 7 | Flora Walker | 21 | Daughter | Clerk | Illinois |
| 8 | Vivien Walker | 10 | Grand Daughter | — | Illinois |
| 9 | Linda Mae Jones | 0 | Grand Daughter | — | Illinois |
| 10 | James Briggs | 58 | Head | City Engineer | Alabama |
| 11 | Irene Briggs | 46 | Wife | — | Illinois |
| 12 | Sara Colbert | 10 | Grand Daughter | — | Illinois |
| 13 | Mattie Bell | 55 | Sister | — | Georgia |
| 14 | Grace B. Stanley | 56 | Head | — | Illinois |
| 15 | Thomas H. Gibbons | 60 | Lodger | — | Illinois |
| 16 | Arthur Pettice | 56 | Head | Coal Dealer | Louisiana |
| 17 | Johnny Wordan | 30 | Head | Poultry Dresser | Missouri |
| 18 | Margaret Wordan | 31 | Wife | Folder | Ohio |
| 19 | Soper Caldwell | 12 | Step Son | — | Illinois |
| 20 | Ruth Caldwell | 10 | Step Daughter | — | Illinois |
| 21 | Stewart Caldwell | 9 | Step Son | — | Illinois |
| 22 | Johnny Jordan | 3 | Son | — | Illinois |
| 23 | Ella Marie Jordan | 2 | Daughter | — | Illinois |
| 24 | Rosa Lee Wingo | 23 | Lodger | — | Ohio |
| 25 | Jessie Mccline | 21 | Head | — | Illinois |
| 26 | Gerald Mccline | 1 | Son | — | Illinois |
| 27 | Marvin Mccline | 0 | Son | — | Illinois |
| 28 | Robert L. Davis | 42 | Head | Shoe Shiner | Tennessee |
| 29 | John Maiden | 38 | Lodger | Laborer | Georgia |
| 30 | Albert Hubbard | 32 | Lodger | Truck Driver | Arkansas |
| 31 | Adolph Woods | 59 | Lodger | Tar Man | Louisiana |
| 32 | Edward Pryor | 44 | Head | Repair Man | Kentucky |
| 33 | Sally Pryor | 25 | Wife | — | Tennessee |
| 34 | Clarence Pryor | 9 | Son | — | Illinois |
| 35 | Claudette Pryor | 7 | Daughter | — | Illinois |
| 36 | Katharine Bell | 72 | Head | — | Tennessee |
| 37 | Harry Jackson THIS PERSON | 45 | Son | Truck Driver | Illinois |
| 38 | Mildred Brown | 43 | Daughter | — | Illinois |
| 39 | Mildred Jackson | 14 | Grand Daughter | — | Illinois |
| 40 | Green Pornell | 40 | Head | Truck Shoe Repairer | Alabama |
Pedigree Summary
Harry + 1 sibling
Gen 1 · 1 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)