MC
Mattie Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this Mattie Clark across the 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1912), then head of a 6-person household.
Age 28
b. ~1912
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Clark |
| Given Name | Mattie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Hamilton |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Hamilton |
| Est. Birth Year | ~1912 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mattie | Age | Birth yr |
|---|---|---|---|---|
| Harry Clark | Head | — | 32 | ~1908 |
| Thomas Clark | Son | — | 12 | ~1928 |
| Harry Clark | Son | — | 2 | ~1938 |
| Mattie Clark | Spouse | — | 28 | ~1912 |
| Jessie Clark | Son | — | 10 | ~1930 |
| Billy Clark | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Butler, Ohio
Other, age 17
Butler, Ohio · implied b. ~1913 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mattie |
| Relationship to Head | Roomer |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 16 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Butler-County, Ohio
Spouse, age 28
Butler-County, Ohio · implied b. ~1912 — 6 household members
| Surname | Clark |
| Given Name | Mattie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Hamilton |
| 1935 Residence (County) | Butler |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Mattie Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mattie Clark
Spouse · 1940 · age 28 · b. ~1912 · Ohio
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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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03032-00239)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Letha L. Chandler | 12 | Daughter | — | Ohio |
| 2 | Edith Mae Chandler | 10 | Daughter | — | Ohio |
| 3 | Donald Chandler | 8 | Son | — | Kentucky |
| 4 | Pearl Chandler | 5 | Daughter | — | Ohio |
| 5 | Earl Chandler | 3 | Son | — | Ohio |
| 6 | Donald Debord | 27 | Head | Salesman | Kentucky |
| 7 | Emma Debord | 25 | Wife | — | Ohio |
| 8 | Harry Clark | 32 | Head | Contract Painter | Pennsylvania |
| 9 | Mattie Clark THIS PERSON | 28 | Wife | — | Kentucky |
| 10 | Thomas Clark | 12 | Son | — | Indiana |
| 11 | Jessie Clark | 10 | Son | — | Kentucky |
| 12 | Billy Jean Clark | 8 | Daughter | — | Ohio |
| 13 | Harry Clark | 2 | Son | — | Ohio |
| 14 | Robert Bobenmoyer | 43 | Head | Laborer | Ohio |
| 15 | Walter Isell | 38 | Head | Crane Operator | Kentucky |
| 16 | Iney Isell | 33 | Wife | — | Michigan |
| 17 | Eugene Isell | 15 | Son | — | Kentucky |
| 18 | Gertrude Isell | 9 | Daughter | — | Ohio |
| 19 | Ronald Isell | 2 | Son | — | Ohio |
| 20 | Kenneth Isell | 1 | Son | — | Ohio |
| 21 | Edward Whitaker | 36 | Head | Machine Oper. | Kentucky |
| 22 | Nancy Whitaker | 29 | Wife | — | Kentucky |
| 23 | Eva Whitaker | 11 | Daughter | — | Ohio |
| 24 | Raymond Whitaker | 9 | Son | — | Ohio |
| 25 | Edna Whitaker | 7 | Daughter | — | Ohio |
| 26 | Mary Price | 72 | Head | — | Kentucky |
| 27 | George Montique | 29 | Head | Crane Operator | Ohio |
| 28 | Evelyn Montique | 21 | Wife | — | Ohio |
| 29 | Robert Bowling | 47 | Head | Electrician | Kentucky |
| 30 | Della Bowling | 42 | Wife | — | Kentucky |
| 31 | James Whisman | 65 | Head | — | Kentucky |
| 32 | Phamy Whisman | 65 | Wife | Pastry Cook | Kentucky |
| 33 | George Whisman | 27 | Son | — | Ohio |
| 34 | Clede Whisman | 12 | Daughter | — | Kentucky |
| 35 | William Johnson | 40 | Head | Laborer | Kentucky |
| 36 | Myrtle Johnson | 36 | Wife | — | Kentucky |
| 37 | Herbert Johnson | 11 | Son | — | Ohio |
| 38 | Clifford Johnson | 7 | Son | — | 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)