EM
Ethel Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Warren-County, Illinois
Our Model Tree links this Ethel Martin across the 1920, 1930 and 1940 US Censuses in Warren-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 3-person household.
Age 45
b. ~1895
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Illinois |
| Surname | Martin |
| Given Name | Ethel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Monmouth |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Monmouth |
| Est. Birth Year | ~1895 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ethel | Age | Birth yr |
|---|---|---|---|---|
| Joan Martin | Daughter | — | 20 | ~1920 |
| E Martin | Head | — | 57 | ~1883 |
| Ethel Martin | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Warren, Illinois
Spouse, age 25
Warren, Illinois · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ethel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Nebraska |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Warren, Illinois
Spouse, age 35
Warren, Illinois · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ethel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 24 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Warren-County, Illinois
Spouse, age 45
Warren-County, Illinois · implied b. ~1895 — 3 household members
| Surname | Martin |
| Given Name | Ethel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Monmouth |
| 1935 Residence (County) | Warren |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ethel Martin
Spouse · 1940 · age 45 · b. ~1895 · 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 — Warren-County, Illinois
Open full size
1940 US Federal Census — Warren-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00901-00178)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frances Livingston | 38 | Wife | — | Illinois |
| 42 | Jack Livingston | 18 | Son | Employee | Illinois |
| 43 | Kenneth Livingston | 16 | Son | — | Illinois |
| 44 | James Livingston | 3 | Son | — | Illinois |
| 45 | Meadows Mildred Livingston | 27 | Roomer | Prop. | Illinois |
| 46 | Stice Clyde Livingston | 28 | Roomer | Baker | Illinois |
| 47 | A. E. Brock | 26 | Head | Meat Cutter | Illinois |
| 48 | Frances Brock | 24 | Wife | — | Illinois |
| 49 | Helen Louise Brock | 2 | Daughter | — | Illinois |
| 50 | Ruby Slagle | 16 | Visitor | — | Illinois |
| 51 | Paul Peterson | 24 | Roomer | Laborer | Illinois |
| 52 | Effie Crab | 73 | Head | — | Illinois |
| 53 | B. F. Ward | 73 | Head | — | Illinois |
| 54 | Agnes Ward | 67 | Wife | — | Illinois |
| 55 | Sam James | 31 | Son | Bookkeeper | Illinois |
| 56 | Florence James | 32 | Daughter | — | Illinois |
| 57 | Jimmie James | 2 | Son | — | Illinois |
| 58 | Elva Shelton | 59 | Head | — | Illinois |
| 59 | Harry Shelton | 61 | Bro | — | Illinois |
| 60 | Edith Duncan | 43 | Roomer | Practical Nurse | Illinois |
| 61 | E. A. Martin | 57 | Head | President | Illinois |
| 62 | Ethel Martin THIS PERSON | 45 | Wife | — | Missouri |
| 63 | Joan Martin | 20 | Daughter | — | Illinois |
| 64 | Milby Carpenter | 47 | Head | Prop. | Illinois |
| 65 | Elizabeth Carpenter | 37 | Wife | — | Iowa |
| 66 | James Carpenter | 2 | Son | — | Illinois |
| 67 | F. G. Stephens | 57 | Head | Salesman | Nebraska |
| 68 | Maud Stephens | 54 | Wife | — | Colorado |
| 69 | Phyllis Stephens | 19 | Daughter | — | Illinois |
| 70 | Mollie Smith | 70 | Head | — | Iowa |
| 71 | John Britt | 51 | Head | Messenger | Nebraska |
| 72 | Olive Britt | 52 | Wife | — | Illinois |
| 73 | Madaline Britt | 18 | Daughter | — | Illinois |
| 74 | Glenn Rouse | 24 | Head | Serviceman | Illinois |
| 75 | Maida Rouse | 21 | Wife | Laborer | Illinois |
| 76 | Lavonne Sprout | 24 | Head | Stenograph | Illinois |
| 77 | Manuel Livingston | 64 | Head | Farmer | Illinois |
| 78 | Rosa W. Livingston | 58 | Wife | Laundress | Germany |
| 79 | Esther Livingston | 26 | Daughter | Maid | Illinois |
| 80 | Mildred Livingston | 24 | Daughter | Maid | 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)