EJ
Elmer Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this Elmer Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed), with identified parents William & Turena — first a head (b.~1894), then head of a 3-person household.
Age 46
b. ~1894
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Johnson |
| Given Name | Elmer E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Hamilton |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Occupation | Machinist |
| Industry | Mach Tool |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Machinist |
| Township / Ward | Hamilton |
| Est. Birth Year | ~1894 |
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 Elmer | Age | Birth yr |
|---|---|---|---|---|
| Elmer Johnson | Head | — | 46 | ~1894 |
| Donald Johnson | Son | — | 17 | ~1923 |
| Viola Johnson | Spouse | — | 46 | ~1894 |
Census Appearances
1910
Butler, Ohio
Son, age 15
Butler, Ohio · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Laborer |
| Industry | Foundry |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Butler, Ohio
Head, age 25
Butler, Ohio · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Machinist |
| Industry | Tool Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | ohio |
1930
Butler, Ohio
Head, age 37
Butler, Ohio · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Elmer E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 18 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Machinist |
| Industry | General Machinery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6,000 |
| Radio Set | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Butler-County, Ohio
Head, age 46
Butler-County, Ohio · implied b. ~1894 — 3 household members
| Surname | Johnson |
| Given Name | Elmer E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Hamilton |
| 1935 Residence (County) | Butler |
| Occupation | Machinist |
| Industry | Mach Tool |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| 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 Elmer Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Johnson (~0.92 confidence) and mother Turena Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Johnson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Turena Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elmer Johnson
Head · 1940 · age 46 · b. ~1894 · 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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03032-00259)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Stahlheber | 60 | Head | Fitter | Ohio |
| 2 | Blanche Stahlheber | 57 | Wife | — | Ohio |
| 3 | Virgil L. West | 26 | Head | Dieman | Indiana |
| 4 | Elsie D. West | 27 | Wife | — | Indiana |
| 5 | Joyce Ann West | 5 | Daughter | — | Indiana |
| 6 | Carol Jean West | 2 | Daughter | — | Ohio |
| 7 | Charles W. Robertson | 32 | Head | Manager | Ohio |
| 8 | Valeria Robertson | 30 | Wife | Grad. Nurse | Florida |
| 9 | Elizabeth Fisher | 72 | Head | — | Indiana |
| 10 | George Schuler | 59 | Head | Machinist | Ohio |
| 11 | Dorothy Schuler | 56 | Wife | — | Ohio |
| 12 | Dorothy Schuler | 16 | Daughter | — | Ohio |
| 13 | Carl A. Schmutzler | 37 | Son-in-law | Helper | Ohio |
| 14 | Madgalene Schmutzler | 29 | Daughter | — | Ohio |
| 15 | Mary B. Schmutzler | 13 | Daughter | — | Ohio |
| 16 | Mitchell R. Dane | 33 | Head | Salesman | Ohio |
| 17 | Ruth La Dane | 32 | Wife | — | Kentucky |
| 18 | Donald Leo Dane | 5 | Son | — | Ohio |
| 19 | Marilyn Joyce Dane | 1 | Daughter | — | Ohio |
| 20 | William D. Weinman | 26 | Head | Drill Press Op | Ohio |
| 21 | Louise Weinman | 23 | Wife | — | Indiana |
| 22 | Phyllis Weinman | 2 | Daughter | — | Ohio |
| 23 | Elmer E. Johnson THIS PERSON | 46 | Head | Machinist | Ohio |
| 24 | Viola N. Johnson | 46 | Wife | — | Ohio |
| 25 | Donald Johnson | 17 | Son | — | Ohio |
| 26 | Aloysius J. Brunner | 51 | Head | Coremaker | Ohio |
| 27 | Anna Brunner | 53 | Wife | — | Ohio |
| 28 | Margaret Brunner | 26 | Daughter | Stenographer | Ohio |
| 29 | Naomi Brunner | 24 | Daughter | Paper Sorter | Ohio |
| 30 | Cleat Brunner | 20 | Daughter | Sales Lady | Ohio |
| 31 | Arthur Brunner | 28 | Son | Deliveryman | Ohio |
| 32 | Jennie Hyams | 51 | Head | Toll Operator | Ohio |
| 33 | Oliver M. King | 32 | Son-in-law | Collector | Ohio |
| 34 | Pauline King | 31 | Daughter | — | Ohio |
| 35 | Oliver L. King | 7 | Grandson | — | Ohio |
| 36 | Katherine F. Traber | 59 | Head | — | Ohio |
| 37 | Theresa Giller | 81 | Mother | — | Ohio |
| 38 | Adam Hammel | 70 | Head | — | Ohio |
| 39 | Mary Hammel | 68 | Wife | — | Ohio |
| 40 | Adam Jr. Hammel | 25 | Son | Delivery Man | Ohio |
Pedigree Summary
Elmer
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)