RJ
Robert Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Macon-County, Illinois
Our Model Tree links this Robert Jackson across the 1920, 1930 and 1940 US Censuses in Macon-County, Illinois (XGBoost, ~Confirmed), with identified parents Joseph & May — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Macon-County, Illinois |
| Surname | Jackson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur |
| 1935 Residence (County) | Macon |
| Additional Details | |
| Occupation | Station attendant |
| Industry | Gasoline |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 750 |
| Highest Grade | H 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Station Attendant |
| Township / Ward | Decatur |
| Est. Birth Year | ~1915 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Jackson | Head | — | 25 | ~1915 |
| Ronald Jackson | Son | — | 1 | ~1939 |
| Ramona Jackson | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Macon, Illinois
Son, age 4
Macon, Illinois · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Macon, Illinois
Son, age 15
Macon, Illinois · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Macon-County, Illinois
Head, age 25
Macon-County, Illinois · implied b. ~1915 — 3 household members
| Surname | Jackson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur |
| 1935 Residence (County) | Macon |
| Occupation | Station attendant |
| Industry | Gasoline |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 750 |
| Highest Grade | H 8 |
| 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 Robert Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Jackson (~0.92 confidence) and mother May Jackson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Jackson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
May Jackson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Jackson
Head · 1940 · age 25 · b. ~1915 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Macon-County, Illinois
Open full size
1940 US Federal Census — Macon-County, Illinois
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00845-00071)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John R. Monroe | 60 | Head | Clerk | Kentucky |
| 42 | Anna P. Monroe | 54 | Wife | Proprietor | Illinois |
| 43 | Mary Anna Monroe | 17 | Daughter | — | Illinois |
| 44 | Cecil Monroe | 13 | Son | — | Illinois |
| 45 | Leroy Lowery | 46 | Head | Carpenter | Illinois |
| 46 | Goldie Lowery | 42 | Wife | — | Illinois |
| 47 | Jack Lowery | 17 | Son | — | Illinois |
| 48 | George Lowery | 13 | Son | — | Illinois |
| 49 | Sandra Lowery | 3 | Daughter | — | Illinois |
| 50 | Harry E. Armstrong | 60 | Head | Pipe-Fitter | Indiana |
| 51 | Alice Armstrong | 47 | Wife | — | Indiana |
| 52 | Walter Armstrong | 25 | Son | Laborer | Illinois |
| 53 | Helen Armstrong | 21 | Daughter | New Worker | Illinois |
| 54 | David S. Larrymore | 7 | Grandson | — | Missouri |
| 55 | George E. Lee | 60 | Head | Foot Doctor | Illinois |
| 56 | May B. Lee | 60 | Wife | — | Michigan |
| 57 | Wayne Lee | 19 | Grandson | — | Illinois |
| 58 | Ralph H. Hinam | 32 | Head | — | Kentucky |
| 59 | Marie Hinam | 33 | Wife | — | Kentucky |
| 60 | Julia Freeman | 42 | Head | — | Illinois |
| 61 | Wilbur Freeman | 24 | Son | Laborer | Illinois |
| 62 | William Freeman | 22 | Son | Typist Wpa | Illinois |
| 63 | Edith Freeman | 20 | Son | Laborer | Illinois |
| 64 | Harley Freeman | 17 | Son | — | Illinois |
| 65 | Rachel A. Grubbs | 77 | Head | — | Illinois |
| 66 | Jenny Hardin | 60 | Sister | Housework | Kentucky |
| 67 | Robert Jackson THIS PERSON | 25 | Head | Station Attendant | Illinois |
| 68 | Ramona Jackson | 21 | Wife | — | Illinois |
| 69 | Ronald D. Jackson | 1 | Son | — | Illinois |
| 70 | James J. Doolen | 54 | Head | City Fireman | Illinois |
| 71 | Edna E. Doolen | 45 | Wife | — | Illinois |
| 72 | Lila Doolen | 11 | Daughter | — | Illinois |
| 73 | Wanda Doolen | 9 | Daughter | — | Illinois |
| 74 | Linda Doolen | 6 | Daughter | — | Illinois |
| 75 | Alma Goodell | 43 | Head | Bookkeeper | Illinois |
| 76 | Albert Van Rheeden | 25 | Head | Presser | Illinois |
| 77 | Arvena Van Rheeden | 23 | Wife | — | Illinois |
| 78 | Roger Van Rheeden | 4 | Son | — | Illinois |
Pedigree Summary
Robert
Gen 1 · 2 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)