RJ
Roy Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vermillion-County, Indiana
Our Model Tree links this Roy Jackson across the 1930 and 1940 US Censuses in Vermillion-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1911), then head of a 7-person household.
Age 29
b. ~1911
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermillion-County, Indiana |
| Surname | Jackson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Clinton #14 R10 |
| 1935 Residence (County) | Vermillion |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Farmer |
| Township / Ward | Clinton 14 R10 |
| Est. Birth Year | ~1911 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Annabelle Lorenzo | Daughter | — | 11 | ~1929 |
| Maude Jackson | Spouse | — | 56 | ~1884 |
| Roy Jackson | Son | — | 29 | ~1911 |
| Josie Jackson | Daughter | — | 17 | ~1923 |
| Charles Jackson | Son | — | 35 | ~1905 |
| Frank Jackson | Head | — | 63 | ~1877 |
| Loren Jackson | Son | — | 24 | ~1916 |
Census Appearances
1930
Vermillion, Indiana
Other, age 21
Vermillion, Indiana · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Ray |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vermillion-County, Indiana
Son, age 29
Vermillion-County, Indiana · implied b. ~1911 — 7 household members
| Surname | Jackson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Clinton #14 R10 |
| 1935 Residence (County) | Vermillion |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| 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 Roy Jackson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Roy Jackson
Son · 1940 · age 29 · b. ~1911 · Indiana
★ You are viewing this record
Sibling
Josie Jackson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loren Jackson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Jackson
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annabelle Lorenzo
Sibling · 1940 · age 11
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 — Vermillion-County, Indiana
Open full size
1940 US Federal Census — Vermillion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01102-00342)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Elizabeth Kajser | 47 | Wife | — | Indiana |
| 42 | Ernest Kajser | 19 | Son | Farmer | Illinois |
| 43 | Lydia Smith | 78 | Mother-in-law | — | Illinois |
| 44 | Scott Shew | 41 | Lodger | Miner | Indiana |
| 45 | Curtis D. George | 26 | Head | Supt. | Indiana |
| 46 | Lucille George | 25 | Wife | — | Indiana |
| 47 | John George | 2 | Son | — | Indiana |
| 48 | Marcella George | 1 | Daughter | — | Indiana |
| 49 | Ellis R. Jackson | 66 | Head | Farmer | Indiana |
| 50 | Hershel Jackson | 21 | Son | Miner | Indiana |
| 51 | Frank Jackson | 63 | Head | — | Indiana |
| 52 | Maude Jackson | 56 | Wife | — | Indiana |
| 53 | Charles Jackson | 35 | Son | Laborer | Indiana |
| 54 | Roy Jackson THIS PERSON | 29 | Son | Farmer | Indiana |
| 55 | Loren E. Jackson | 24 | Son | Laborer | Indiana |
| 56 | Josie Jackson | 17 | Daughter | New Worker | Indiana |
| 57 | Annabelle Lorenzo | 11 | Daughter | Laborer | Indiana |
| 58 | William Jackson | 42 | Head | Laborer | Illinois |
| 59 | Nellie M. Jackson | 38 | Wife | — | Indiana |
| 60 | Esther L. Jackson | 11 | Daughter | — | Indiana |
| 61 | Margaret L. Jackson | 10 | Daughter | — | Indiana |
| 62 | Oaklen Hale | 47 | Head | Laborer | Indiana |
| 63 | Maude M. Hale | 45 | Wife | — | Illinois |
| 64 | Charles G. Hale | 23 | Son | Laborer | Illinois |
| 65 | Edward Hale | 15 | Son | — | Illinois |
| 66 | Elgar Hale | 13 | Son | — | Indiana |
| 67 | Claud S. Doan | 62 | Head | Laborer | Indiana |
| 68 | Ben Jr. Burton | 42 | Head | Recreation Leader | Indiana |
| 69 | Emma Burton | 39 | Wife | — | Indiana |
| 70 | James Robert Burton | 21 | Son | Miner | Indiana |
| 71 | Willis Burton | 20 | Son | Laborer | Indiana |
| 72 | Maxine Burton | 18 | Daughter | Assistant School | Indiana |
| 73 | Joseph Burton | 16 | Son | School Helper | Indiana |
| 74 | Russell Burton | 14 | Son | — | Indiana |
| 75 | Betty Anne Burton | 6 | Daughter | — | Indiana |
| 76 | Oscar Leach | 40 | Head | Miner | Virginia |
| 77 | Margrie Leach | 21 | Wife | — | Indiana |
| 78 | Ross Miller | 36 | Head | Laborer | Indiana |
| 79 | Foley Miller | 34 | Wife | — | Indiana |
| 80 | Marjorie Miller | 10 | Daughter | — | Indiana |
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)