MC
Mary Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Scioto-County, Ohio
Our Model Tree links this Mary Cooper across the 1920, 1930 and 1940 US Censuses in Scioto-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 5-person household.
Age 55
b. ~1885
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Scioto-County, Ohio |
| Surname | Cooper |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | New Boston |
| 1935 Residence (County) | Scioto |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | New Boston |
| Est. Birth Year | ~1885 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ewing Cooper | Head | — | 59 | ~1881 |
| Pauline Cooper | Other | — | 24 | ~1916 |
| Rita Cooper | Other | — | 5 | ~1935 |
| Howard Cooper | Son | — | 27 | ~1913 |
| Mary Cooper | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Scioto, Ohio
Spouse, age 35
Scioto, Ohio · implied b. ~1885 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Scioto, Ohio
Other, age 45
Scioto, Ohio · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 17 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Scioto-County, Ohio
Spouse, age 55
Scioto-County, Ohio · implied b. ~1885 — 5 household members
| Surname | Cooper |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | New Boston |
| 1935 Residence (County) | Scioto |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| 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 Mary Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cooper
Spouse · 1940 · age 55 · b. ~1885 · 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 — Scioto-County, Ohio
Open full size
1940 US Federal Census — Scioto-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03141-00585)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bert A. Bowser | 61 | Head | Salesman | Ohio |
| 42 | Gertrude Bowser | 59 | Wife | — | Ohio |
| 43 | Mary Alice Bowser | 31 | daughter | Grade Teacher | Ohio |
| 44 | Paul Richard Bowser | 25 | son | Bookkeeper | Ohio |
| 45 | Wanda Sue Bowser | 17 | daughter | — | Ohio |
| 46 | Louis E. Nurse | 78 | Head | — | Ohio |
| 47 | Mary L. Nurse | 76 | Wife | — | Ohio |
| 48 | Claude Sigman | 23 | Head | Laborer | Ohio |
| 49 | Ruth Sigman | 21 | Wife | — | Kentucky |
| 50 | Harriet Sigman | 2 | daughter | — | Ohio |
| 51 | Elza Jackett | 30 | Head | Laborer | Kentucky |
| 52 | Alta Jackett | 26 | Wife | — | Kentucky |
| 53 | Challis Jackett | 9 | son | — | Ohio |
| 54 | Marquita Jackett | 5 | daughter | — | Ohio |
| 55 | Dorothy Jackett | 22 | sister | Waitress | Kentucky |
| 56 | Charles Keller | 61 | Head | Carpenter | Ohio |
| 57 | Mary Keller | 52 | Wife | — | Ohio |
| 58 | Ewing E. Cooper | 59 | Head | Salesman | Kentucky |
| 59 | Mary Cooper THIS PERSON | 55 | Wife | — | Kentucky |
| 60 | Howard Cooper | 27 | son | Salesman | Ohio |
| 61 | Pauline Cooper | 24 | daughter-in-law | — | Ohio |
| 62 | Rita Lou Cooper | 5 | grand daughter | — | Ohio |
| 63 | Charles Sheridan | 27 | Head | Inspector | Ohio |
| 64 | Olive Sheridan | 25 | Wife | — | Ohio |
| 65 | Ronald Sheridan | 4 | son | — | Ohio |
| 66 | Barbara Sheridan | 2 | daughter | — | Ohio |
| 67 | John Easman | 65 | Head | Carpenter | Ohio |
| 68 | Callie Easman | 55 | Wife | — | Ohio |
| 69 | Lillian Easman | 30 | daughter | Grade Teacher | Ohio |
| 70 | Owen Fitch | 35 | Head | Clerk | Ohio |
| 71 | Vergie Fitch | 29 | Wife | — | Kentucky |
| 72 | William Fitch | 11 | son | — | Ohio |
| 73 | Joanne Fitch | 8 | daughter | — | Ohio |
| 74 | George Fitch | 7 | son | — | Ohio |
| 75 | Judith Fitch | 1 | daughter | — | Ohio |
| 76 | Betty Belind | 20 | hired girl | House Keeper | Ohio |
| 77 | Claude Sumter | 25 | lodger | Physical Education Instructor | Ohio |
| 78 | Hubert Howell | 40 | Head | Laborer | Kentucky |
| 79 | Chaney Howell | 37 | Wife | — | Kentucky |
| 80 | Norma Howell | 14 | 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)