HJ
Herbert Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mason-County, Illinois
Our Model Tree links this Herbert Jones across the 1930 and 1940 US Censuses in Mason-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mason-County, Illinois |
| Surname | Jones |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Mason |
| Additional Details | |
| Highest Grade | G 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Mason City |
| Est. Birth Year | ~1930 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Herbert | Age | Birth yr |
|---|---|---|---|---|
| Mary Jones | Daughter | — | 19 | ~1921 |
| Virginia Jones | Daughter | — | 17 | ~1923 |
| Ruth Jones | Daughter | — | 14 | ~1926 |
| Ira Jones | Head | — | 46 | ~1894 |
| John Jones | Son | — | 12 | ~1928 |
| Paul Jones | Son | — | 16 | ~1924 |
| Kenneth Jones | Son | — | 8 | ~1932 |
| Jack Jones | Son | — | 1 | ~1939 |
| Herbert Jones | Son | — | 10 | ~1930 |
| Maude Jones | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Mason, Illinois
Son, age
Mason, Illinois · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mason-County, Illinois
Son, age 10
Mason-County, Illinois · implied b. ~1930 — 10 household members
| Surname | Jones |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Mason |
| Highest Grade | G 4 |
| 1935 Residence | Illinois |
| 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 Herbert Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Herbert Jones
Son · 1940 · age 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Virginia Jones
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Jones
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Jones
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Jones
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Jones
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Jones
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Jones
Sibling · 1940 · age 8
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 — Mason-County, Illinois
Open full size
1940 US Federal Census — Mason-County, Illinois
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00855-00324)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ira Jones | 46 | Head | Laborer | Kentucky |
| 2 | Maude Jones | 45 | Wife | — | Kentucky |
| 3 | Mary Jane Jones | 19 | Daughter | Clerk | Illinois |
| 4 | Virginia Jones | 17 | Daughter | — | Illinois |
| 5 | Paul Jones | 16 | Son | — | Illinois |
| 6 | Ruth Jones | 14 | Daughter | — | Illinois |
| 7 | John Jones | 12 | Son | — | Illinois |
| 8 | Herbert Jones THIS PERSON | 10 | Son | — | Illinois |
| 9 | Kenneth Jones | 8 | Son | — | Illinois |
| 10 | Jack Jones | 1 | Son | — | Illinois |
| 12 | Loren Fletcher | 44 | Head | Laborer | Illinois |
| 13 | Lela Fletcher | 37 | Wife | — | Illinois |
| 14 | Elaine Fletcher | 19 | Daughter | — | Illinois |
| 15 | Eugene Fletcher | 17 | Son | — | Illinois |
| 16 | Nelson Quick | 35 | Head | Painter | Illinois |
| 17 | Esther Quick | 26 | Wife | — | Illinois |
| 18 | Robert Quick | 3 | Son | — | Illinois |
| 19 | William Bowman | 34 | Head | Laborer | N. Carolina |
| 20 | Alice Bowman | 30 | Wife | — | Illinois |
| 21 | Marilyn Bowman | 7 | Daughter | — | Illinois |
| 22 | Patty Bowman | 5 | Daughter | — | Illinois |
| 23 | Betty Bowman | 2 | Daughter | — | Illinois |
| 25 | Andrew Schlager | 80 | Head | — | Germany |
| 26 | Julia Schlager | 70 | Wife | — | Illinois |
| 27 | Alonzo Bricker | 64 | Head | Labor | Illinois |
| 28 | Alice M Bricker | 64 | Wife | — | Illinois |
| 29 | Louisa Aupier | 50 | Head | — | Illinois |
| 30 | Leroy Aupier | 7 | Son | — | Illinois |
| 31 | Eldon Aupier | 5 | Son | — | Illinois |
| 32 | Maryanne Aupier | 3 | Daughter | — | Illinois |
| 33 | Tommie Aupier | 2 | Son | — | Illinois |
| 34 | Albert Aupier | 1 | Son | — | Illinois |
| 35 | Douglas Aupier | 0 | Son | — | Illinois |
| 36 | Charles Gore | 52 | Head | — | Kentucky |
| 37 | Edith Gore | 43 | Wife | — | Illinois |
| 38 | Maxine Gore | 19 | Daughter | — | Illinois |
| 39 | Malcom Gore | 17 | Son | — | Illinois |
| 40 | George Gore | 14 | Son | — | Illinois |
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)