EN
Elizabeth Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Elizabeth Nelson across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 4-person household.
Age 65
b. ~1875
Female
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Nelson |
| Given Name | Elizabeth |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1875 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Ridley | Daughter | — | 31 | ~1909 |
| Elizabeth Nelson | Head | — | 65 | ~1875 |
| Arthur Ridley | Other | — | 33 | ~1907 |
| Marilyn Ridley | Other | — | 9 | ~1931 |
Census Appearances
1920
Sangamon, Illinois
Head, age 44
Sangamon, Illinois · implied b. ~1876 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Elizabeth |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Head, age 55
Sangamon, Illinois · implied b. ~1875 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Elizabeth |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | house work |
| Industry | private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1500 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Head, age 65
Sangamon-County, Illinois · implied b. ~1875 — 4 household members
| Surname | Nelson |
| Given Name | Elizabeth |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Hours Worked | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| 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 Elizabeth Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Elizabeth Nelson
Head · 1940 · age 65 · b. ~1875 · 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-t0627-00884-00604)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Martin | 3 | Son | — | Illinois |
| 42 | Clarence Wright | 60 | Head | Sweeper | Wisconsin |
| 43 | Mary Wright | 55 | Wife | — | Wisconsin |
| 44 | Arthur Wright | 33 | Son | Bolter | Wisconsin |
| 45 | John Fernandes | 53 | Head | Cement Contractor | Illinois |
| 46 | Walter Fernandes | 44 | Partner | Cement Contractor | Illinois |
| 47 | John Compa | 50 | Head | Janitor | Germany |
| 48 | Martha Compa | 45 | Wife | Elevator Operator | Germany |
| 49 | Charles Bickhaus | 48 | Head | Fireman | Illinois |
| 50 | Novella Bickhaus | 44 | Wife | — | Illinois |
| 51 | Louise Bickhaus | 20 | Daughter | Telephone Operator | Illinois |
| 52 | Charles Bridge | 69 | Head | — | Illinois |
| 53 | Minnie Bridge | 68 | Wife | — | Illinois |
| 54 | Rosa Bridge | 29 | Daughter | — | Illinois |
| 55 | Laretta Bridge | 26 | Daughter | Stitcher | Illinois |
| 56 | Martha Bridge | 24 | Daughter | — | Illinois |
| 57 | — | None | — | — | — |
| 58 | Nora Thesco | 70 | Head | — | Missouri |
| 59 | Margaret Thesco | 34 | Daughter | Inspector | Illinois |
| 60 | Joseph Thesco | 32 | Son | Laborer | Illinois |
| 61 | Anna Courtney | 34 | Daughter | Repairer | Illinois |
| 62 | Betty Courtney | 19 | Granddaughter | — | Illinois |
| 63 | Elizabeth Nelson THIS PERSON | 65 | Head | — | Illinois |
| 64 | Dorothy Ridley | 31 | Daughter | — | Illinois |
| 65 | Arthur Ridley | 33 | Son-in-law | Fireman Engineer | Illinois |
| 66 | Marilyn Ridley | 9 | Granddaughter | — | Illinois |
| 67 | John Rogers | 28 | Head | Meter Assembler | Illinois |
| 68 | Helen Rogers | 28 | Wife | Marker | Illinois |
| 69 | Walter Rogers | 4 | Son | — | Illinois |
| 70 | Theodore Humphrey | 53 | Head | — | Illinois |
| 71 | Viola Humphrey | 50 | Wife | Laborer | Illinois |
| 72 | Mary Louise Humphrey | 17 | Daughter | — | Illinois |
| 73 | Charles Humphrey | 14 | Son | — | Illinois |
| 74 | Earl Humphrey | 13 | Son | — | Iowa |
| 75 | Ethel Humphrey | 9 | Daughter | — | Indiana |
| 76 | William Smith | 31 | Head | Cable Splicer | Illinois |
| 77 | Lillian Smith | 34 | Wife | — | Kentucky |
| 78 | Philip Smith | 58 | Head | Stockroom Clerk | Germany |
| 79 | John Simonelli | 31 | Head | Service Man | Italy |
| 80 | Rosemarie Simonelli | 27 | Wife | — | 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)