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Ethel Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Ethel Anderson across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed), with identified parents Anna & James — first a head (b.~1909), then head of a 2-person household.
Age 31
b. ~1909
Female
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Anderson |
| Given Name | Ethel |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Springfield |
| Est. Birth Year | ~1909 |
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 Ethel | Age | Birth yr |
|---|---|---|---|---|
| Ethel Anderson | Head | — | 31 | ~1909 |
| Jerome Anderson | Son | — | 15 | ~1925 |
Census Appearances
1920
Sangamon, Illinois
Daughter, age 9
Sangamon, Illinois · implied b. ~1911 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Daughter, age 20
Sangamon, Illinois · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Ethel |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Head, age 31
Sangamon-County, Illinois · implied b. ~1909 — 2 household members
| Surname | Anderson |
| Given Name | Ethel |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Sangamon |
| 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 Ethel Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anna Anderson (~0.92 confidence) and father James Anderson (~0.92 confidence) and father James Anderson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Anderson
b. ~1853
Source mother
● Household
· direct · ~0.92
Father
James Anderson
b. ~1863
Source father
● Household
· direct · ~0.92
Father
James Anderson
b. ~1868
Source father
● Household
· direct · ~0.92
This person
Anchor record
Ethel Anderson
Head · 1940 · age 31 · b. ~1909 · 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 — 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-t0627-00886-00235)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold Mullen | 35 | Head | Dean Of Boys | Illinois |
| 2 | Alberta Mullen | 30 | Wife | — | Illinois |
| 3 | Mary K. Mullen | 9 | Daughter | — | Illinois |
| 4 | Val Matthew Mullen | 5 | Son | — | Illinois |
| 5 | Pauline Adkins | 32 | Maid | Housework | Oklahoma |
| 6 | Everett C. Alkire | 49 | Head | Barber | Illinois |
| 7 | Nettie Alkire | 52 | Wife | — | Indiana |
| 8 | Muriel Alkire | 18 | Niece | Apprentice | Illinois |
| 9 | Jack F. Kocher | 55 | Lodger | Barber | Illinois |
| 10 | William J. Land | 24 | Son-in-law | — | Pennsylvania |
| 11 | Alex J. Burke | 56 | Head | Sect State | New York |
| 12 | Maude E. Burke | 45 | Wife | — | Illinois |
| 13 | William H. Simmons | 70 | Head | — | Wisconsin |
| 14 | Mary B. Simmons | 70 | Wife | — | Illinois |
| 15 | Leo Grandone | 28 | Head | Asst Surgeon | Illinois |
| 16 | Marion Grandone | 26 | Wife | — | Illinois |
| 17 | Winifred Barker | 65 | Head | — | Illinois |
| 18 | Richard Nitterauer | 15 | Grandson | — | Illinois |
| 19 | Margaret Corbett | 76 | Head | — | Illinois |
| 20 | William E. Brandy | 50 | Head | Asst Surgeon | Kansas |
| 21 | Alice W. Brandy | 50 | Wife | Clerk | Pennsylvania |
| 22 | Margaret E. Brandy | 20 | Daughter | Inspector | China |
| 23 | Eleanor L. Brandy | 18 | Daughter | Waitress | China |
| 24 | Edwin C. Harris | 65 | Head | Carpenter | Illinois |
| 25 | Anna M. Harris | 67 | Wife | — | Kansas |
| 26 | Ethel Anderson THIS PERSON | 31 | Head | — | Illinois |
| 27 | Jerome Anderson | 15 | Son | — | Illinois |
| 28 | Claire Maisenbacher | 53 | Head | Secretary | Illinois |
| 29 | Marcella Maisenbacher | 29 | Daughter | — | Illinois |
| 30 | Albert W. Schell | 35 | Head | Field Engineer | Pennsylvania |
| 31 | Opal Schell | 33 | Wife | — | California |
| 32 | Carol Schell | 4 | Daughter | — | Illinois |
| 33 | Lida M. Edwards | 65 | Head | — | Illinois |
| 34 | Cora Metcalf | 45 | Sister | Teacher | Illinois |
| 35 | George T. Robinson | 54 | Head | Office Work | Illinois |
| 36 | Rose Robinson | 51 | Wife | — | Illinois |
| 37 | Georgia Robinson | 27 | Daughter | Teacher | Illinois |
| 38 | Charles W. Hartman | 46 | Head | Credit Manager | Illinois |
| 39 | Frances I. Hartman | 45 | Wife | Secretarial | Illinois |
| 40 | Extra Line | None | — | — | — |
Pedigree Summary
Ethel
Gen 1 · 3 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)