HJ
Harold Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vermilion-County, Illinois
Our Model Tree links this Harold Jackson across the 1920, 1930 and 1940 US Censuses in Vermilion-County, Illinois (XGBoost, ~Confirmed), with identified parents Glen & Noah — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermilion-County, Illinois |
| Surname | Jackson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville city |
| 1935 Residence (County) | Vermilion |
| Additional Details | |
| Occupation | new worker |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | New Worker |
| Township / Ward | Danville City |
| Est. Birth Year | ~1919 |
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 Jackson | Son | — | 21 | ~1919 |
| Illeane Jackson | Daughter | — | 25 | ~1915 |
| Jessie Jackson | Spouse | — | 47 | ~1893 |
| Glen Jackson | Head | — | 45 | ~1895 |
Census Appearances
1920
Vermilion, Illinois
Son, age 1
Vermilion, Illinois · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harold L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Vermilion, Illinois
Son, age 11
Vermilion, Illinois · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harold D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | Yes |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Vermilion-County, Illinois
Son, age 21
Vermilion-County, Illinois · implied b. ~1919 — 4 household members
| Surname | Jackson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville city |
| 1935 Residence (County) | Vermilion |
| Occupation | new worker |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Glen Jackson (~0.92 confidence) and father Noah Jackson (~0.92 confidence) and mother Jessie Jackson (~0.92 confidence) and mother Jessie Jackson (~0.92 confidence) and mother Maude Jackson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Glen Jackson
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Noah Jackson
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Jessie Jackson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Jessie Jackson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Maude Jackson
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Jackson
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Illeane Jackson
Sibling · 1940 · age 25
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 — Vermilion-County, Illinois
Open full size
1940 US Federal Census — Vermilion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00897-00683)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Newman | 16 | Son | New Worker | Illinois |
| 2 | Harold Newman | 13 | Son | — | Illinois |
| 3 | Glen Jackson | 45 | Head | Locomotive Engineer | Indiana |
| 4 | Jessie A Jackson | 47 | Wife | — | Illinois |
| 5 | Illeane Jackson | 25 | Daughter | Waitress | Illinois |
| 6 | Harold Jackson THIS PERSON | 21 | Son | New Worker | Illinois |
| 7 | John Stinson | 54 | Head | Attendant | Illinois |
| 8 | Ethel A Stinson | 55 | Wife | — | Illinois |
| 9 | Hubert Stinson | 26 | Son | Laborer | Illinois |
| 10 | Ruby Stinson | 18 | Daughter | — | Illinois |
| 11 | Russell Stinson | 16 | Son | — | Illinois |
| 12 | Betty Sue Kelly | 8 | Granddaughter | — | Illinois |
| 13 | Maurine Kelly | 3 | Daughter | — | Illinois |
| 14 | Ida Sager | 77 | Head | — | Illinois |
| 15 | Thomas Carswell | 56 | Head | Locomotive Fireman | Indiana |
| 16 | Flossie Carswell | 53 | Wife | — | New York |
| 17 | Stumbel Carswell | 88 | Father | — | Indiana |
| 18 | Calvin Sowers | 19 | Foster Son | Truck Driver | Illinois |
| 19 | Dale Rose | 27 | Head | Laborer | Illinois |
| 20 | Kathryn Rose | 25 | Wife | — | Illinois |
| 21 | Charles Rose | 14 | Brother | New Worker | Illinois |
| 22 | Patricia Ann Watrous | 5 | Daughter | — | Illinois |
| 23 | Russell Flaherty | 28 | Head | Stockman | Illinois |
| 24 | Beatrice Flaherty | 21 | Wife | — | Arkansas |
| 25 | Robert Madsen | 57 | Head | Attendant | Illinois |
| 26 | Mae Madsen | 57 | Wife | — | Missouri |
| 27 | Margaret Madsen | 17 | Daughter | — | Missouri |
| 28 | John L Wolfe | 46 | Head | Bridge Foreman | Illinois |
| 29 | Ermile Wolfe | 46 | Wife | Shaker | Iowa |
| 30 | Alice Wolfe | 20 | Daughter | — | Wisconsin |
| 31 | Le Roy Wolfe | 19 | Son | New Worker | Indiana |
| 32 | Johnnie Wolfe | 17 | Son | New Worker | Illinois |
| 33 | Glen Wolfe | 23 | Head | Laborer | Illinois |
| 34 | Laura Wolfe | 25 | Wife | Plant Setter | Illinois |
| 35 | John Wolfe | 1 | Son | — | Illinois |
| 36 | Earl Yowell | 52 | Head | Truck Driver | Indiana |
| 37 | Leda Yowell | 51 | Wife | — | Indiana |
| 38 | Elizabeth Yowell | 24 | Daughter | Saleswoman | Indiana |
| 39 | Robert Yowell | 18 | Son | New Worker | Illinois |
| 40 | Enid Yowell | 16 | Son | — | Indiana |
Pedigree Summary
Harold + 1 sibling
Gen 1 · 5 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)