ES
Ethel Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Illinois
Our Model Tree links this Ethel Smith across the 1920, 1930 and 1940 US Censuses in Madison-County, Illinois (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a daughter (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Illinois |
| Surname | Smith |
| Given Name | Ethel M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Alton city |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Secretary |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Secretary |
| Township / Ward | Alton City |
| Est. Birth Year | ~1907 |
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 Ethel | Age | Birth yr |
|---|---|---|---|---|
| Ethel Smith | Daughter | — | 33 | ~1907 |
| Edward Smith | Head | — | 64 | ~1876 |
| William Jennings | Other | — | 39 | ~1901 |
| Maybelle Smith | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Madison, Illinois
Daughter, age 12
Madison, Illinois · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ethel M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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
Madison, Illinois
Daughter, age 23
Madison, Illinois · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ethel M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Stenographer |
| Industry | Insurance Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Madison-County, Illinois
Daughter, age 33
Madison-County, Illinois · implied b. ~1907 — 4 household members
| Surname | Smith |
| Given Name | Ethel M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Alton city |
| 1935 Residence (County) | Madison |
| Occupation | Secretary |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2000 |
| Highest Grade | Hs 4 |
| 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 Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Smith (~0.92 confidence) and father Edward Smith (~0.92 confidence) and father Edward Smith (~0.92 confidence) and mother Maybelle Smith (~0.92 confidence) and mother Myrtle Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Smith
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Edward Smith
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Edward Smith
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Maybelle Smith
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Myrtle Smith
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ethel Smith
Daughter · 1940 · age 33 · b. ~1907 · 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 — Madison-County, Illinois
Open full size
1940 US Federal Census — Madison-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00848-00381)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bertha S Buckshon | 53 | Wife | — | Illinois |
| 2 | Charles A Buckshon | 59 | Head | Proprietor | Illinois |
| 3 | Harry C Marrigan | 33 | Head | Engineer | Pennsylvania |
| 4 | Reva E Marrigan | 27 | Wife | — | Pennsylvania |
| 5 | Carol S Marrigan | 4 | Daughter | — | Illinois |
| 6 | Joseph M Arndt | 49 | Head | Shoefer | Illinois |
| 7 | Ella M Arndt | 51 | Wife | — | Illinois |
| 8 | Louis E Kamp | 68 | Head | — | Illinois |
| 9 | Elizabeth Kamp | 67 | Wife | — | Illinois |
| 10 | Ray V Kamp | 42 | Son | Asst Cashier | Illinois |
| 11 | Mildred Blair | 44 | Head | — | Illinois |
| 12 | Charles J Jr Blair | 17 | Son | — | Illinois |
| 13 | Edwin F Blair | 15 | Son | — | Illinois |
| 14 | Mable J Blair | 12 | Daughter | — | Illinois |
| 15 | Ruth J Blair | 10 | Daughter | — | Illinois |
| 16 | Harry T Blair | 6 | Son | — | Illinois |
| 17 | Willis Ennis | 39 | Renter | Spray Painter | Indiana |
| 18 | Glen Williams | 29 | Head | Salesman | Oklahoma |
| 19 | Mildred O Williams | 24 | Wife | — | Arkansas |
| 20 | Mildred Virgil | 34 | Owner | Telephone Operator | Illinois |
| 21 | Isah M Burnell | 65 | Head | Meat Cutter | Illinois |
| 22 | Mary A Burnell | 60 | Wife | — | Illinois |
| 23 | Paul A Walker | 54 | Head | Labor | Illinois |
| 24 | Gladis A Walker | 36 | Wife | — | Czechoslovakia |
| 25 | Lucile M Walker | 13 | Daughter | — | Illinois |
| 26 | Norman E Walker | 12 | Son | — | Illinois |
| 27 | Minerva Walker | 78 | Mother | — | Illinois |
| 28 | William Thorn | 49 | Head | — | Illinois |
| 29 | Charles V Thorn | 48 | Wife | — | Illinois |
| 30 | Clara R Thorn | 43 | Daughter | Worker | Illinois |
| 31 | Tresa B Thorn | 37 | Daughter | Clerk | Illinois |
| 32 | Anna M Thorn | 34 | Daughter | Operator | Illinois |
| 33 | Edward H Smith | 64 | Head | Pipe Fitter | Illinois |
| 34 | Maybelle S Smith | 51 | Wife | — | Illinois |
| 35 | Ethel M Smith THIS PERSON | 33 | Daughter | Secretary | Illinois |
| 36 | William B Jennings | 39 | Boarder | Machinist | Illinois |
| 37 | Preston M Babcock | 26 | Head | Operator | New Jersey |
| 38 | Mabel M Babcock | 27 | Wife | — | Wisconsin |
| 39 | Charles L Krueter | 34 | Head | Labor | Illinois |
| 40 | Anna J Krueter | 33 | Wife | — | Washington |
Pedigree Summary
Ethel
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)