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Mary Wells — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clark-County, Ohio
Our Model Tree links this Mary Wells across the 1920, 1930 and 1940 US Censuses in Clark-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1882), then head of a 4-person household.
Age 58
b. ~1882
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Ohio |
| Surname | Wells |
| Given Name | Mary F. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Clark |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Springfield |
| Est. Birth Year | ~1882 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Leona Wells | Daughter | — | 22 | ~1918 |
| Louise Wells | Daughter | — | 24 | ~1916 |
| Horace Wells | Head | — | 55 | ~1885 |
| Mary Wells | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Clark, Ohio
Spouse, age 36
Clark, Ohio · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wells |
| Given Name | Mary F |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Clark, Ohio
Spouse, age 48
Clark, Ohio · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walls |
| Given Name | Mary F. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 23 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clark-County, Ohio
Spouse, age 58
Clark-County, Ohio · implied b. ~1882 — 4 household members
| Surname | Wells |
| Given Name | Mary F. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Clark |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Mary Wells across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Wells
Spouse · 1940 · age 58 · b. ~1882 · 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 — Clark-County, Ohio
Open full size
1940 US Federal Census — Clark-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03040-00780)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Reynolds | 15 | Grand daughter | — | Ohio |
| 42 | Lester Swanson | 27 | Head | Laborer | Ohio |
| 43 | Nina Swanson | 22 | Wife | — | Ohio |
| 44 | Shirley Swanson | 3 | daughter | — | Ohio |
| 45 | Gertrude Swanson | 2 | daughter | — | Ohio |
| 46 | Lester Jr. Swanson | 0 | son | — | Ohio |
| 47 | Frank Swanson | 29 | brother | Mechanic | Ohio |
| 48 | Juanita Swanson | 22 | brother's wife | — | Kentucky |
| 49 | Rosalee Swanson | 1 | daughter | — | Ohio |
| 50 | Callie C. Cobb | 54 | Head | Janitor | Kentucky |
| 51 | Arleia Cobb | 49 | Wife | — | Ohio |
| 52 | Horace Hickman | 44 | Head | Laborer | Ohio |
| 54 | Bertha Davenport | 41 | Head | — | Georgia |
| 55 | Arthur (Ab) Davenport | 18 | son | Laborer | Ohio |
| 56 | Arlene Davenport | 16 | daughter | — | Ohio |
| 57 | Erma Jean Davenport | 14 | daughter | — | Ohio |
| 58 | Viola Davenport | 11 | daughter | — | Ohio |
| 59 | David Davenport | 8 | son | — | Ohio |
| 60 | Doris Davenport | 4 | daughter | — | Ohio |
| 61 | Gloria Davenport | 3 | daughter | — | Ohio |
| 62 | Horace Wells | 55 | Head | Janitor | Kentucky |
| 63 | Mary F. Wells THIS PERSON | 58 | Wife | — | Ohio |
| 64 | Louise A. Wells | 24 | daughter | Maid | Ohio |
| 65 | Leona A. Wells | 22 | daughter | Housekeeper | Ohio |
| 66 | Mary Harvey | 66 | Head | — | Ohio |
| 67 | Ancil Viney | 28 | Head | Janitor | Ohio |
| 68 | John Mccamey | 43 | lodger | Servant | Tennessee |
| 69 | Lucille Mccamey | 44 | wife | — | Ohio |
| 70 | Mark Mayo | 55 | Head | Clerk | Kentucky |
| 71 | Finaus Burton | 31 | Head | Laborer | Georgia |
| 72 | Leah Burton | 30 | Wife | — | Ohio |
| 73 | Martha Burton | 11 | daughter | — | Ohio |
| 74 | James Burton | 10 | son | — | Ohio |
| 75 | Sandy F. Peteford | 52 | lodger | Truck Driver | Ohio |
| 76 | Mary Peteford | 21 | lodger's daughter | — | Ohio |
| 77 | Edward Brooks | 23 | lodger's brother | Automobile Attendant | Ohio |
| 78 | Elizabeth Bailey | 68 | Head | — | Alabama |
| 79 | Thomas Mary Bailey | 72 | sister | — | Alabama |
| 80 | Webster Simpson | 59 | Head | Sand Mixer | 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)