HJ
Harold Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Will-County, Illinois
Our Model Tree links this Harold Jones across the 1920, 1930 and 1940 US Censuses in Will-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Horace — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Will-County, Illinois |
| Surname | Jones |
| Given Name | Harold Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Joliet |
| 1935 Residence (County) | Will |
| Additional Details | |
| Occupation | Laborer |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 16 |
| Income (1939) | 188 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Joliet |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Eleanor Jones | Daughter | — | 18 | ~1922 |
| Harold Jones | Son | — | 22 | ~1918 |
| Everett Jones | Son | — | 16 | ~1924 |
| Fannie Jones | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Will, Illinois
Son, age 1
Will, Illinois · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Will, Illinois
Son, age 12
Will, Illinois · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Will-County, Illinois
Son, age 22
Will-County, Illinois · implied b. ~1918 — 4 household members
| Surname | Jones |
| Given Name | Harold Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Joliet |
| 1935 Residence (County) | Will |
| Occupation | Laborer |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 16 |
| Income (1939) | 188 |
| Highest Grade | H-3 |
| 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 Harold Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Heson (~0.92 confidence) and father Horace Jones (~0.92 confidence) and mother Bonnie Jones (~0.92 confidence) and mother Fannie Jones (~0.92 confidence) and mother Fannie Jones (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Heson
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Horace Jones
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Bonnie Jones
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Fannie Jones
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Fannie Jones
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Jones
Son · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Everett Jones
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Jones
Sibling · 1940 · age 18
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 — Will-County, Illinois
Open full size
1940 US Federal Census — Will-County, Illinois
Page Contents
6 people indexed on this census page (nara:1940:m-t0627-00908-00473)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fannie M. Jones | 42 | Wife | House-Keeper | Illinois |
| 42 | Harold Jr. Jones THIS PERSON | 22 | Son | Laborer | Illinois |
| 43 | Eleanor E. Jones | 18 | Daughter | None | Illinois |
| 44 | Everett R. Jones | 16 | Son | None | Illinois |
| 45 | John Malaguti | 62 | Head | Handy-Man | Italy |
| 46 | Alda Malaguti | 59 | Wife | House-Keeper | Italy |
Pedigree Summary
Harold + 2 siblings
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)