EM
Ethel Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Indiana
Our Model Tree links this Ethel Martin across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 4-person household.
Age 52
b. ~1888
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Indiana |
| Surname | Martin |
| Given Name | Ethel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Adams Twp |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Adams Twp |
| Est. Birth Year | ~1888 |
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 |
|---|---|---|---|---|
| Harry Martin | Head | — | 58 | ~1882 |
| Estella Martin | Other | — | 21 | ~1919 |
| Richard Martin | Son | — | 28 | ~1912 |
| Ethel Martin | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Hamilton, Indiana
Spouse, age 32
Hamilton, Indiana · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ethel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Hamilton, Indiana
Other, age 42
Hamilton, Indiana · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ethel |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 30 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Hamilton-County, Indiana
Spouse, age 52
Hamilton-County, Indiana · implied b. ~1888 — 4 household members
| Surname | Martin |
| Given Name | Ethel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Adams Twp |
| 1935 Residence (County) | Hamilton |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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.
Show:
This person
Anchor record
Ethel Martin
Spouse · 1940 · age 52 · b. ~1888 · Indiana
★ 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 — Hamilton-County, Indiana
Open full size
1940 US Federal Census — Hamilton-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01050-00076)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louetta Harvey | 68 | Wife | — | Indiana |
| 2 | Avis Harvey | 48 | Daughter | — | Indiana |
| 3 | George E. Harvey | 43 | Head | Farmer | Indiana |
| 4 | Orpha I. Harvey | 42 | Wife | — | Indiana |
| 5 | Robert Harvey | 16 | Son | — | Indiana |
| 6 | Rosanna Harvey | 10 | Daughter | — | Indiana |
| 7 | Ralph W. Harvey | 2 | Son | — | Indiana |
| 8 | Drucilla Graham | 72 | Head | — | Indiana |
| 9 | Ervin Harvey | 45 | Head | Farmer | Indiana |
| 10 | Edith Harvey | 45 | Wife | — | Indiana |
| 11 | Geraldine Harvey | 22 | Daughter | — | Indiana |
| 12 | Hilton Harvey | 20 | Son | Farm Laborer | Indiana |
| 13 | Charles E. Wright | 56 | Head | Farmer | Indiana |
| 14 | Mary S. Wright | 55 | Wife | — | Indiana |
| 15 | Eugene K. Wright | 24 | Son | Clerk | Indiana |
| 16 | Frances Wright | 22 | Daughter-in-law | — | Indiana |
| 17 | Charles E. Wright | 0 | Grand-son | — | Indiana |
| 18 | Harry Martin | 58 | Head | Farmer | Indiana |
| 19 | Ethel Martin THIS PERSON | 52 | Wife | — | Indiana |
| 20 | Richard Martin | 28 | Son | Farm Laborer | Indiana |
| 21 | Estella Martin | 21 | Daughter-in-law | — | Indiana |
| 22 | Harry Honnold | 52 | Head | Farmer | Indiana |
| 23 | La Mar Honnold | 21 | Son | Farm Laborer | Indiana |
| 24 | Mable Honnold | 16 | Daughter-in-law | — | Indiana |
| 25 | Robert Honnold | 0 | Grand-son | — | Indiana |
| 26 | Alva Robbins | 56 | Head | Carpenter | Indiana |
| 27 | Ethel Robbins | 52 | Wife | — | Indiana |
| 28 | Joe Robbins | 18 | Son | Farm Laborer | Indiana |
| 29 | Rosemary Robbins | 13 | Daughter | — | Indiana |
| 30 | Ray Robbins | 12 | Son | — | Indiana |
| 31 | Fred Herr | 46 | Head | Farmer | Indiana |
| 32 | Mabel Herr | 44 | Wife | — | Indiana |
| 33 | John H. Inder | 67 | Head | Farmer | Indiana |
| 34 | Dora Inder | 66 | Wife | — | Indiana |
| 35 | Norman Inder | 40 | Head | Farm Laborer | Indiana |
| 36 | Edna Inder | 40 | Wife | — | Indiana |
| 37 | Harvey Inder | 19 | Son | Farm Laborer | Indiana |
| 38 | Betty Inder | 15 | Daughter | — | Indiana |
| 39 | Norma Jean Inder | 14 | Daughter | — | Indiana |
| 40 | Earl G. Stills | 35 | Head | Farm Laborer | Indiana |
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)