JC
John Cramer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Crawford-County, Ohio
Our Model Tree links this John Cramer across the 1920, 1930 and 1940 US Censuses in Crawford-County, Ohio (XGBoost, ~Confirmed), with identified parents John & Elizabeth — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Ohio |
| Surname | Cramer |
| Given Name | John C. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Bucyrus City |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Occupation | 0 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | 0 |
| Township / Ward | Bucyrus City |
| Est. Birth Year | ~1919 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Cramer | Son | — | 21 | ~1919 |
| Elizabeth Cramer | Spouse | — | 58 | ~1882 |
| John Cramer | Head | — | 64 | ~1876 |
Census Appearances
1920
Crawford, Ohio
Son, age 1
Crawford, Ohio · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cramer |
| Given Name | John C. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Crawford, Ohio
Son, age 11
Crawford, Ohio · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cramer |
| Given Name | John C Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Crawford-County, Ohio
Son, age 21
Crawford-County, Ohio · implied b. ~1919 — 3 household members
| Surname | Cramer |
| Given Name | John C. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Bucyrus City |
| 1935 Residence (County) | Crawford |
| Occupation | 0 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 John Cramer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Cramer (~0.92 confidence) and mother Elizabeth Cramer (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Cramer
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Cramer
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Cramer
Son · 1940 · age 21 · b. ~1919 · 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 — Crawford-County, Ohio
Open full size
1940 US Federal Census — Crawford-County, Ohio
Page Contents
28 people indexed on this census page (nara:1940:m-t0627-03047-00221)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Robertson | 45 | Wife | 0 | Ohio |
| 2 | Jack Elwin Robertson | 19 | Son | Clerk | Ohio |
| 3 | Clarence J. Lybarger | 55 | Head | Machinist | Ohio |
| 4 | Charles Lybarger | 16 | Son | Mailer | Ohio |
| 5 | Harold Lybarger | 13 | Son | — | Ohio |
| 6 | Martha Plirsch | 22 | Servant | Housekeeper | Ohio |
| 7 | Edward C. Stewart | 40 | Head | Locomotive Engineer | Ohio |
| 8 | Cora Stewart | 58 | Wife | 0 | Ohio |
| 9 | James Stewart | 35 | Son | 0 | Ohio |
| 10 | Harry Shuly | 38 | Son-in-law | Accountant | Ohio |
| 11 | Martha Shuly | 34 | Daughter | 0 | Ohio |
| 12 | Jerry Shuly | 2 | Grandson | — | Ohio |
| 13 | Edward Hughes | 57 | Head | Owner | Pennsylvania |
| 14 | Golda Hughes | 44 | Wife | 0 | Ohio |
| 15 | Arthur Roley | 44 | Head | Contractor | Ohio |
| 16 | Edith Roley | 43 | Wife | 0 | Ohio |
| 17 | Betty Jean Roley | 16 | Daughter | 0 | Ohio |
| 18 | Vivian Roley | 12 | Daughter | — | Ohio |
| 19 | Alfred Lohr | 31 | Head | Labourer | Ohio |
| 20 | Mary Ellen Lohr | 27 | Wife | Laundress | Ohio |
| 21 | Garner Cover | 54 | Head | Mechanic | Ohio |
| 22 | Mabel Cover | 56 | Wife | 0 | Ohio |
| 23 | Dale Cover | 21 | Son | Caretaker | Ohio |
| 24 | Dwight Cover | 19 | Son | Farm Laborer | Ohio |
| 25 | John C. Cramer | 64 | Head | Molder | Ohio |
| 26 | Elizabeth Cramer | 58 | Wife | 0 | Ohio |
| 27 | John C. Jr. Cramer THIS PERSON | 21 | Son | 0 | Ohio |
| 28 | Earl Stewart | 58 | Head | Clerk | Ohio |
Related Census Records
Pedigree Summary
John
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)