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John Jenkins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this John Jenkins across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 5-person household.
Age 42
b. ~1898
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Jenkins |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Occupation | Clerk |
| Industry | Electric Co Drafting Room |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1880 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Clerk |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1898 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Jenkins | Head | — | 42 | ~1898 |
| Lawson Straughn | Other | — | 33 | ~1907 |
| John Jenkins | Son | — | 18 | ~1922 |
| Robert Jenkins | Son | — | 16 | ~1924 |
| Bessie Jenkins | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Sangamon, Illinois
Head, age 21
Sangamon, Illinois · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Electrician |
| Industry | Electric Meter Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Head, age 31
Sangamon, Illinois · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Heater |
| Industry | Sangamo Electric Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 42.50 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Head, age 42
Sangamon-County, Illinois · implied b. ~1898 — 5 household members
| Surname | Jenkins |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Occupation | Clerk |
| Industry | Electric Co Drafting Room |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1880 |
| Highest Grade | Hs 3 |
| 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 Jenkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Jenkins
Head · 1940 · age 42 · b. ~1898 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00886-00354)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas O Stout | 41 | Head | Druggist | Illinois |
| 2 | Arthur B Stout | 36 | Son | Printer | Illinois |
| 3 | Frank A Burris | 36 | Head | Laborer | Arkansas |
| 4 | Fayree Burris | 32 | Wife | — | Illinois |
| 5 | Beautonne Burris | 15 | Daughter | — | Illinois |
| 6 | Fayree C Burris | 14 | Daughter | — | Illinois |
| 7 | Roberta J Burris | 10 | Daughter | — | Illinois |
| 8 | Elrod F Burris | 5 | Son | — | Illinois |
| 9 | Patricia Burris | 3 | Daughter | — | Illinois |
| 10 | Villa Houston | 58 | Guest | — | Arkansas |
| 11 | Clara G Brown | 52 | Head | Inspector | Missouri |
| 12 | Lois Brown | 44 | Wife | — | Illinois |
| 13 | Earl Brown | 21 | Son | Poultry Dresser | Illinois |
| 14 | Billie Brown | 10 | Son | — | Illinois |
| 15 | Samuel Best | 38 | Head | Accountant | Illinois |
| 16 | Mabel P Best | 39 | Wife | — | Illinois |
| 17 | Robert W Best | 14 | Son | — | Illinois |
| 18 | Barbara Best | 9 | Daughter | — | Illinois |
| 19 | John E Jenkins THIS PERSON | 42 | Head | Clerk | Illinois |
| 20 | Bessie Jenkins | 43 | Wife | — | Illinois |
| 21 | John E Jr Jenkins | 18 | Son | — | Illinois |
| 22 | Robert Jenkins | 16 | Son | — | Illinois |
| 23 | Lawson Straughn | 33 | In law | Inspector | Illinois |
| 24 | Adolf Provitt | 37 | Head | Turning Maker | Germany |
| 25 | Pauline Provitt | 37 | Wife | — | Germany |
| 26 | Rita Provitt | 4 | Daughter | — | Illinois |
| 27 | Eugene Russell | 41 | Head | Engineer | Oklahoma |
| 28 | Eileen Russell | 41 | Wife | — | Illinois |
| 29 | Arlowyne Russell | 18 | Daughter | — | Illinois |
| 30 | Anita Russell | 15 | Daughter | — | Illinois |
| 31 | Wanetta Russell | 13 | Daughter | — | Illinois |
| 32 | Pauline Day | 73 | Head | — | Germany |
| 33 | Emma H Day | 52 | Daughter | Janitress | Illinois |
| 34 | Thomas Shuke | 81 | Head | — | Illinois |
| 35 | Cora E Shuke | 72 | Wife | — | Illinois |
| 36 | Harold A Shuke | 47 | Son | — | Illinois |
| 37 | Vivian Shuke | 40 | Daughter | Personnel Clerk | Illinois |
| 38 | Nathan R Arnold | 34 | Head | Teacher | Illinois |
| 39 | Dorothy Arnold | 25 | Wife | — | Illinois |
| 40 | Judith A Arnold | 4 | Daughter | — | 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)