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Jack Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Blackford-County, Indiana
Our Model Tree links this Jack Jones across the 1930 and 1940 US Censuses in Blackford-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Blackford-County, Indiana |
| Surname | Jones |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Hartford City |
| 1935 Residence (County) | Blackford |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Hartford City |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Margaret Jones | Daughter | — | 15 | ~1925 |
| Elmer Jones | Head | — | 57 | ~1883 |
| Charles Jones | Son | — | 24 | ~1916 |
| Delbert Jones | Son | — | 27 | ~1913 |
| Harold Jones | Son | — | 18 | ~1922 |
| Jack Jones | Son | — | 12 | ~1928 |
| William Jones | Son | — | 25 | ~1915 |
| Robert Jones | Son | — | 12 | ~1928 |
| Minnie Jones | Spouse | — | 51 | ~1889 |
Census Appearances
1930
Blackford, Indiana
Son, age 2
Blackford, Indiana · implied b. ~1928 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Blackford-County, Indiana
Son, age 12
Blackford-County, Indiana · implied b. ~1928 — 9 household members
| Surname | Jones |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Hartford City |
| 1935 Residence (County) | Blackford |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Jack Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Jones
Son · 1940 · age 12 · b. ~1928 · Indiana
★ You are viewing this record
Sibling
Robert Jones
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Jones
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Jones
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Jones
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Jones
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delbert Jones
Sibling · 1940 · age 27
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 — Blackford-County, Indiana
Open full size
1940 US Federal Census — Blackford-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01027-00510)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dean Shaw | 27 | Head | Slitter | Indiana |
| 2 | Garnet Shaw | 26 | Wife | — | Indiana |
| 3 | Dean Jr. Shaw | 5 | Son | — | Indiana |
| 4 | Jerry Shaw | 7 | Son | — | Indiana |
| 5 | Jeanine Shaw | 3 | Daughter | — | Indiana |
| 6 | John Decamp | 22 | Head | Layer | Indiana |
| 7 | Carol Decamp | 20 | Wife | — | Indiana |
| 8 | John Jr. Decamp | 3 | Son | — | Indiana |
| 9 | James Decamp | 1 | Son | — | Indiana |
| 10 | Ralph Snow | 38 | Head | Machine Operator | Indiana |
| 11 | Dorothy Snow | 33 | Wife | — | Indiana |
| 12 | Jay Snow | 15 | Son | Paper Boy | Indiana |
| 13 | Juanita Snow | 13 | Daughter | — | Indiana |
| 14 | Dale Snow | 11 | Son | — | Indiana |
| 15 | Coy Mettle | 42 | Head | Desk Washer | Indiana |
| 16 | Gwendolyn Mettle | 22 | Daughter | Waitress | Indiana |
| 17 | Gerald Mettle | 22 | Son | Substitute Janitor | Indiana |
| 18 | Josie Fuller | 51 | Head | — | Indiana |
| 19 | Vera Fuller | 23 | Daughter | Packer | Indiana |
| 20 | Harold Fuller | 16 | Son | — | Indiana |
| 21 | George Fuller | 15 | Son | — | Indiana |
| 22 | Robert Fuller | 21 | Son | Carpenter | Indiana |
| 23 | Ethel Fuller | 23 | Daughter-in-law | — | Indiana |
| 24 | Thomas E. Anguish | 66 | Head | Grocer | Illinois |
| 25 | Anna E. Anguish | 67 | Wife | Saleswoman | Indiana |
| 26 | Leah Anguish | 27 | Daughter | Cutter-Snapper | Indiana |
| 27 | Alvin Anguish | 24 | Son | — | Indiana |
| 28 | Maida Church | 34 | Daughter | Job Printer | Indiana |
| 29 | Thomas Church | 11 | Grandson | — | Indiana |
| 30 | Walter Church | 7 | Grandson | — | Indiana |
| 31 | Florence Anguish | 31 | Daughter | Book-Keeper | Indiana |
| 32 | Elmer A. Jones | 57 | Head | Ditch Digger | Indiana |
| 33 | Minnie Jones | 51 | Wife | — | Illinois |
| 34 | Delbert Jones | 27 | Son | Grain Grinder | Indiana |
| 35 | William Jones | 25 | Son | Printer | Indiana |
| 36 | Charles Jones | 24 | Son | Helper | Indiana |
| 37 | Harold Jones | 18 | Son | Newsworker | Indiana |
| 38 | Margaret Jones | 15 | Daughter | — | Indiana |
| 39 | Robert Jones | 12 | Son | — | Indiana |
| 40 | Jack Jones THIS PERSON | 12 | Son | — | Indiana |
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)