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John Abbott — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fulton-County, Illinois
Our Model Tree links this John Abbott across the 1910, 1920, 1930 and 1940 US Censuses in Fulton-County, Illinois (XGBoost, ~Confirmed), with identified parents Clinton & Conrad — first a son (b.~1906), then head of a 2-person household.
Age 34
b. ~1906
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fulton-County, Illinois |
| Surname | Abbott |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Joshua twp |
| 1935 Residence (County) | Fulton |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Joshua Twp |
| Est. Birth Year | ~1906 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Abbott | Son | — | 34 | ~1906 |
| Rosa Abbott | Head | — | 60 | ~1880 |
Census Appearances
1910
Fulton, Illinois
Son, age 4
Fulton, Illinois · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Abbott |
| Given Name | John V. |
| 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 |
1920
Fulton, Illinois
Son, age 14
Fulton, Illinois · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Abbott |
| Given Name | John V |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Fulton, Illinois
Son, age 24
Fulton, Illinois · implied b. ~1906 — 42 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Abbott |
| Given Name | John V |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Genl Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Fulton-County, Illinois
Son, age 34
Fulton-County, Illinois · implied b. ~1906 — 2 household members
| Surname | Abbott |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Joshua twp |
| 1935 Residence (County) | Fulton |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 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 John Abbott across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clinton Abbott (~0.92 confidence) and father Conrad Abbott (~0.92 confidence) and mother Rosa Abbott (~0.92 confidence) and mother Lora Abbott (~0.92 confidence) and mother Dora Abbott (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clinton Abbott
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Conrad Abbott
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Rosa Abbott
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Lora Abbott
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Dora Abbott
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Abbott
Son · 1940 · age 34 · b. ~1906 · 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 — Fulton-County, Illinois
Open full size
1940 US Federal Census — Fulton-County, Illinois
Page Contents
21 people indexed on this census page (nara:1940:m-t0627-00806-00231)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Velna Cobb | 33 | Wife | — | Illinois |
| 42 | Roger Dale Cobb | 4 | Son | — | Illinois |
| 43 | Marvin Mcmullen | 31 | Head | Assembler | Illinois |
| 44 | Laura Mcmullen | 30 | Wife | — | Illinois |
| 45 | Barbara Mcmullen | 7 | Daughter | — | Illinois |
| 46 | Lynn Mcmullen | 3 | Son | — | Illinois |
| 47 | Randolph Kufauver | Kufauser | 75 | Head | Farmer | Illinois |
| 48 | Ray Mahr | 50 | Head | Farmer | Illinois |
| 49 | Mary Mahr | 46 | Wife | — | Illinois |
| 50 | Mary Jennings | 76 | Mother-in-law | — | Illinois |
| 51 | Rosa Abbott | 60 | Head | — | Illinois |
| 52 | John Abbott THIS PERSON | 34 | Son | Farmer | Illinois |
| 53 | Charles Wilson | 53 | Head | Farmer | Illinois |
| 54 | Bonnie Wilson | 49 | Wife | — | Iowa |
| 55 | Alva Wilson | 21 | Son | Farm Laborer | Illinois |
| 56 | George Wilson | 15 | Son | — | Illinois |
| 57 | Bert Wilson | 12 | Son | — | Illinois |
| 58 | Alberta Wilson | 10 | Daughter | — | Illinois |
| 59 | Mary Wilson | 18 | Daughter | Housekeeper | Illinois |
| 60 | Alberta Wilson | 10 | Daughter | — | Illinois |
| 61 | Mary Wilson | 18 | Daughter | Housekeeper | Illinois |
Pedigree Summary
John
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)