MC
Mary Cramer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Henry-County, Ohio
Our Model Tree links this Mary Cramer across the 1930 and 1940 US Censuses in Henry-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 8-person household.
Age 43
b. ~1897
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Ohio |
| Surname | Cramer |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Holgate Village |
| 1935 Residence (County) | Henry |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Holgate Village |
| Est. Birth Year | ~1897 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Harry Cramer | Head | — | 45 | ~1895 |
| Mary Cramer | Daughter | — | 15 | ~1925 |
| Mary Cramer | Spouse | — | 43 | ~1897 |
| Norman Cramer | Son | — | 2 | ~1938 |
| H Cramer | Son | — | 17 | ~1923 |
| Donald Cramer | Son | — | 5 | ~1935 |
| Barbara Cramer | Daughter | — | 12 | ~1928 |
| Patsy Cramer | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Henry, Ohio
Other, age 33
Henry, Ohio · implied b. ~1897 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cramer |
| Given Name | Mary E |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 21 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Henry-County, Ohio
Spouse, age 43
Henry-County, Ohio · implied b. ~1897 — 8 household members
| Surname | Cramer |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Holgate Village |
| 1935 Residence (County) | Henry |
| Highest Grade | No 8 |
| 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 Cramer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cramer
Spouse · 1940 · age 43 · b. ~1897 · 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 — Henry-County, Ohio
Open full size
1940 US Federal Census — Henry-County, Ohio
Page Contents
12 people indexed on this census page (nara:1940:m-t0627-03084-00125)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry Cramer | 45 | Head | Section Foreman | Ohio |
| 2 | Mary E. Cramer THIS PERSON | 43 | Wife | — | Ohio |
| 3 | H. John Cramer | 17 | Son | — | Ohio |
| 4 | Mary Ellen Cramer | 15 | Daughter | — | Ohio |
| 5 | Barbara J. Cramer | 12 | Daughter | — | Ohio |
| 6 | Patsy L. Cramer | 9 | Daughter | — | Ohio |
| 7 | Donald L. Cramer | 5 | Son | — | Ohio |
| 8 | Norman W. Cramer | 2 | Son | — | Ohio |
| 9 | George A. Baum | 51 | Head | Farm Tenant | Ohio |
| 10 | Zelma B. Baum | 46 | Wife | — | Ohio |
| 11 | Lester H. Baum | 18 | Son | Farm Hand | Ohio |
| 12 | Nellie L. Baum | 9 | 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)