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 Katherine — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jackson |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Printer |
| Industry | Print Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 498 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Printer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1901 |
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 |
|---|---|---|---|---|
| Harry Jackson | Head | — | 39 | ~1901 |
| Harry Jackson | Son | — | 16 | ~1924 |
| Robert Jackson | Son | — | 17 | ~1923 |
| Grace Jackson | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Cook, Illinois
Son, age 19
Cook, Illinois · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Pressman |
| Industry | Printing Co |
| 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 29
Cook, Illinois · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Printer |
| Industry | Print Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 67.50 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 39
Cook-County, Illinois · implied b. ~1901 — 4 household members
| Surname | Jackson |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Printer |
| Industry | Print Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 498 |
| Highest Grade | 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 Harry Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Katherine Jackson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Katherine Jackson
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Jackson
Head · 1940 · age 39 · b. ~1901 · 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
39 people indexed on this census page (nara:1940:m-t0627-00998-00593)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Herbert Wettendorf | 40 | Head | Draftsman | Illinois |
| 42 | Lottie Wettendorf | 50 | Wife | — | Pennsylvania |
| 43 | Dolores Wettendorf | 18 | Daughter | — | Illinois |
| 44 | Emily Wettendorf | 78 | Mother | — | Germany |
| 45 | Harry Jackson THIS PERSON | 39 | Head | Printer | Illinois |
| 46 | Grace Jackson | 39 | Wife | — | Italy |
| 47 | Robert Jackson | 17 | Son | — | Illinois |
| 48 | Harry Jr. Jackson | 16 | Son | — | Illinois |
| 49 | Frank Cernoch | 33 | Head | Salesman | Minnesota |
| 50 | Caroline Cernoch | 27 | Wife | — | Wisconsin |
| 51 | Richard Cernoch | 2 | Son | — | Illinois |
| 52 | Herbert Behnissen | 48 | Head | Photoengraver | Illinois |
| 53 | Gretchen Behnissen | 44 | Sister | — | Illinois |
| 54 | Marie Behnissen | 83 | Mother | — | Germany |
| 55 | Fred Meyer | 34 | Head | Sheet Metal Work | Germany |
| 56 | Marie Meyer | 31 | Wife | — | Illinois |
| 57 | Charles Englert | 34 | Head | Machinist | Germany |
| 58 | Gertrude Englert | 27 | Wife | — | Illinois |
| 59 | Edward Persent | 40 | Head | Tile Setter | Illinois |
| 60 | Evelyn Persent | 32 | Wife | — | Illinois |
| 61 | Dolores Persent | 12 | Daughter | — | Illinois |
| 62 | Robert Persent | 9 | Son | — | Illinois |
| 63 | Florent Damm | 55 | Head | Diamond Cutter | Belgium |
| 64 | Renilda Damm | 43 | Wife | — | Belgium |
| 65 | Loraine Damm | 15 | Daughter | — | Illinois |
| 66 | Melonia Van Weert | 63 | Mother-in-law | — | Belgium |
| 68 | Peter Greco | 59 | Head | Sewer Contractor | Italy |
| 69 | Antina Greco | 57 | Wife | — | Italy |
| 70 | Salvatore Greco | 18 | Son | — | Illinois |
| 71 | Josephine Greco | 17 | Daughter | — | Illinois |
| 72 | Lena Greco | 15 | Daughter | — | Illinois |
| 73 | Joseph Ganziana | 26 | Head | Truck Driver | Illinois |
| 74 | Stella Ganziana | 23 | Wife | — | Illinois |
| 75 | Donald Ganziana | 1 | Son | — | Illinois |
| 76 | Robert Lichtenberger | 26 | Head | Welder | Illinois |
| 77 | Helen Lichtenberger | 29 | Wife | — | Illinois |
| 78 | Joan Lichtenberger | 5 | Daughter | — | Illinois |
| 79 | Fred Lichtenberger | 4 | Son | — | Illinois |
| 80 | Roberta Lichtenberger | 1 | Daughter | — | Illinois |
Pedigree Summary
Harry
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)