HJ
Harold Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hancock-County, Illinois
Our Model Tree links this Harold Jackson across the 1930 and 1940 US Censuses in Hancock-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hancock-County, Illinois |
| Surname | Jackson |
| Given Name | Harold |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Carthage |
| 1935 Residence (County) | Hancock |
| Additional Details | |
| Occupation | Farm Labor |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 120 |
| Highest Grade | 8 |
| 1935 Residence | Illinois |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | Walker Township |
| Est. Birth Year | ~1923 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Edna Jackson | Daughter | — | 19 | ~1921 |
| Helen Jackson | Daughter | — | 15 | ~1925 |
| Dillworth Jackson | Son | — | 6 | ~1934 |
| Raymond Jackson | Son | — | 5 | ~1935 |
| Helen Jackson | Spouse | — | 39 | ~1901 |
| Orla Jackson | Son | — | 3 | ~1937 |
| Delbert Jackson | Son | — | 6 | ~1934 |
| Harold Jackson | Son | — | 17 | ~1923 |
| Barbara Jackson | Daughter | — | 8 | ~1932 |
| James Jackson | Head | — | 52 | ~1888 |
| James Jackson | Son | — | 16 | ~1924 |
Census Appearances
1930
Hancock, Illinois
Son, age 7
Hancock, Illinois · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harold R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Hancock-County, Illinois
Son, age 17
Hancock-County, Illinois · implied b. ~1923 — 11 household members
| Surname | Jackson |
| Given Name | Harold |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Carthage |
| 1935 Residence (County) | Hancock |
| Occupation | Farm Labor |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 120 |
| Highest Grade | 8 |
| 1935 Residence | Illinois |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Jackson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harold Jackson
Son · 1940 · age 17 · b. ~1923 · Illinois
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Sibling
Dillworth Jackson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orla Jackson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Jackson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Jackson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Jackson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jackson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delbert Jackson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Jackson
Sibling · 1940 · age 15
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 — Hancock-County, Illinois
Open full size
1940 US Federal Census — Hancock-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00810-00707)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Staff | 63 | Wife | — | Germany |
| 2 | Erna Mathewson | 24 | daughter | Housekeeper | Illinois |
| 3 | George James Mathewson | 5 | grandson | — | Illinois |
| 4 | Clement P. Augustine | 55 | Head | Farmer | Illinois |
| 5 | Adeline Augustine | 39 | Wife | — | Illinois |
| 6 | Jessie Jessie | 45 | Lodger | — | Iowa |
| 7 | Frank B. Sargent | 32 | Head | Farmer | Illinois |
| 8 | Esther Sargent | 11 | daughter | — | Illinois |
| 9 | Irene Sargent | 9 | daughter | — | Illinois |
| 10 | William Sargent | 5 | son | — | Illinois |
| 11 | Frances Sargent | 5 | daughter | — | Illinois |
| 12 | John E. Stoll | 42 | Head | Farmer | Illinois |
| 13 | Agnes Stoll | 30 | Wife | — | Illinois |
| 14 | Ralph Eldon Stoll | 1 | son | — | Iowa |
| 15 | Ralph B. Meyersick | 26 | Head | Farmer | Illinois |
| 16 | Lorila Meyersick | 22 | Wife | — | Illinois |
| 17 | James D. Jackson | 52 | Head | Farmer | Iowa |
| 18 | Helen Jackson | 39 | Wife | — | Illinois |
| 19 | Edna Mae Jackson | 19 | daughter | Housekeeper | Iowa |
| 20 | Harold Jackson THIS PERSON | 17 | son | Farm Labor | Iowa |
| 21 | James Jr. Jackson | 16 | son | — | Iowa |
| 22 | Helen M. Jackson | 15 | daughter | — | Iowa |
| 23 | Barbara Jackson | 8 | daughter | — | Illinois |
| 24 | Dillworth Jackson | 6 | son | — | Illinois |
| 25 | Delbert Jackson | 6 | son | — | Illinois |
| 26 | Raymond Jackson | 5 | son | — | Illinois |
| 27 | Orla Jackson | 3 | son | — | Illinois |
| 28 | George Ramsey | 63 | Head | Farmer | Illinois |
| 29 | Hannah Dickwisch | 82 | Head | — | Germany |
| 30 | Henry W. Dickwisch | 56 | son | Farmer | Illinois |
| 31 | John W. Althide | 68 | Head | Farmer | Illinois |
| 32 | Ethelena Althide | 66 | Wife | — | Illinois |
| 33 | Eva Althide | 45 | daughter | — | Illinois |
| 34 | Lawrence La Bonte | 34 | Head | Farmer | Illinois |
| 35 | Helen La Bonte | 24 | Wife | — | Illinois |
| 36 | Betty La Bonte | 3 | daughter | — | Illinois |
| 37 | Marjorie La Bonte | 5 | daughter | — | Illinois |
| 38 | Lillie Hufendick | 55 | Head | Farmer | Illinois |
| 39 | Minnie Hufendick | 44 | Wife | — | Illinois |
| 40 | Alfred S. Kunz | 44 | Head | Farmer | Illinois |
Related Census Records
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)