EC
Ellen Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this Ellen Clark across the 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Clark |
| Given Name | Ellen |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Hamilton City |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Hamilton City |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ellen | Age | Birth yr |
|---|---|---|---|---|
| Wilbur Clark | Son | — | 5 | ~1935 |
| John Clark | Son | — | 19 | ~1921 |
| Albert Clark | Son | — | 14 | ~1926 |
| Mary Clark | Daughter | — | 11 | ~1929 |
| Ellen Clark | Spouse | — | 40 | ~1900 |
| William Clark | Son | — | 6 | ~1934 |
| Elizabeth Clark | Daughter | — | 17 | ~1923 |
| John Clark | Head | — | 45 | ~1895 |
Census Appearances
1930
Butler, Ohio
Other, age 30
Butler, Ohio · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ellen |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 20 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Butler-County, Ohio
Spouse, age 40
Butler-County, Ohio · implied b. ~1900 — 8 household members
| Surname | Clark |
| Given Name | Ellen |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Hamilton City |
| 1935 Residence (County) | Butler |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Ellen Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ellen Clark
Spouse · 1940 · age 40 · b. ~1900 · Ohio
★ 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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03033-00601)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond Adkins | 12 | son | — | Ohio |
| 2 | Lula Adkins | 8 | daughter | — | Ohio |
| 3 | Gordon Little | 29 | head | Laborer | Ohio |
| 4 | Dorothy Little | 30 | wife | — | Kentucky |
| 5 | John Little | 8 | son | — | Ohio |
| 6 | Wallace Little | 7 | son | — | Ohio |
| 7 | Bertha Little | 6 | daughter | — | Ohio |
| 8 | Willa Little | 2 | daughter | — | Ohio |
| 9 | Vernal Little | 0 | son | — | Ohio |
| 10 | Paul De Fazio | 29 | head | Truck Salesman | Ohio |
| 11 | Emma De Fazio | 25 | wife | Housework | Ohio |
| 12 | John Clark | 45 | head | Laborer | Indiana |
| 13 | Ellen Clark THIS PERSON | 40 | wife | — | Iowa |
| 14 | John Jr. Clark | 19 | son | Teletype Oper. | Ohio |
| 15 | Elizabeth Clark | 17 | daughter | — | Iowa |
| 16 | Albert Clark | 14 | son | — | Ohio |
| 17 | Mary Clark | 11 | daughter | — | Ohio |
| 18 | William Clark | 6 | son | — | Ohio |
| 19 | Wilbur Clark | 5 | son | — | Ohio |
| 20 | Courtland Johnson | 48 | head | Supervisor | Kentucky |
| 21 | Ruby Johnson | 43 | wife | — | Kentucky |
| 22 | Paul Hagan | 24 | head | Machinist | Ohio |
| 23 | Helen Hagan | 22 | wife | — | Kentucky |
| 24 | Margurite Hagan | 1 | daughter | — | Ohio |
| 25 | Edmund Illner | 53 | head | Watchman | Germany |
| 26 | Sophia Illner | 53 | wife | — | Ohio |
| 27 | Arthur Illner | 21 | son | Nicol Plater | Ohio |
| 28 | Lewis J. Jones | 46 | head | Carpenter | Ohio |
| 29 | Anna Jones | 47 | wife | — | Pennsylvania |
| 30 | Moritz Illner | 78 | father-in-law | — | Germany |
| 31 | John Himmerlein | 78 | head | Laborer | Germany |
| 32 | Barbara Himmerlein | 70 | wife | — | Germany |
| 33 | Carl Himmerlein | 34 | son | Cleaning & Painting | Ohio |
| 34 | Allen Maham | 47 | head | Farming | Ohio |
| 35 | Teresa Maham | 47 | wife | — | Ohio |
| 36 | Lawrence Maham | 24 | son | Cleaning & Painting | Ohio |
| 37 | Gordon Maham | 22 | son | Co-Op Student | Ohio |
| 38 | Wesley Dessert | 42 | head | Painter | Ohio |
| 39 | Viola Dessert | 39 | wife | Sales Clerk | Ohio |
| 40 | Ruth Dessert | 15 | daughter | — | Ohio |
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)