RJ
Richard Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Richard Johnson across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents Alonzo & George — first a head (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Johnson |
| Given Name | Richard M. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | salesman |
| Industry | automobile co. |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1200 |
| Highest Grade | C-2 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Salesman |
| Township / Ward | New Lebanon Village |
| Est. Birth Year | ~1905 |
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 Richard | Age | Birth yr |
|---|---|---|---|---|
| Richard Johnson | Head | — | 35 | ~1905 |
| Richard Johnson | Son | — | 7 | ~1933 |
| Mabel Johnson | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Montgomery, Ohio
Son, age 14
Montgomery, Ohio · implied b. ~1906 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Richard W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| 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
Montgomery, Ohio
Son, age 24
Montgomery, Ohio · implied b. ~1906 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Richard M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Salesman |
| Industry | Auto |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Head, age 35
Montgomery-County, Ohio · implied b. ~1905 — 3 household members
| Surname | Johnson |
| Given Name | Richard M. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Occupation | salesman |
| Industry | automobile co. |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1200 |
| Highest Grade | C-2 |
| 1935 Residence | Ohio |
| 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 Richard Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alonzo Johnson (~0.92 confidence) and father George Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence) and mother Maud Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alonzo Johnson
b. ~1881
Source father
● Household
· direct · ~0.92
Father
George Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Maud Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Johnson
Head · 1940 · age 35 · b. ~1905 · 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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03118-00689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hattie E. Hepner | 61 | wife | — | Ohio |
| 2 | Raper Hoffman | 55 | hired hand | Farm Laborer | Ohio |
| 3 | Barnett A. Keener | 36 | head | Machinist | Ohio |
| 4 | Albie M. B. Keener | 37 | wife | — | Ohio |
| 5 | Audrey E. Keener | 13 | daughter | — | Ohio |
| 6 | Gloria A. Keener | 9 | daughter | — | Ohio |
| 7 | Viola J. Keener | 74 | mother | — | Ohio |
| 8 | Charles E. Wysong | 43 | head | Carpenter | Ohio |
| 9 | Mabel S. B. Wysong | 45 | wife | — | Ohio |
| 10 | R. Marcella Wysong | 15 | daughter | — | Ohio |
| 11 | Larry E. Wysong | 5 | son | — | Ohio |
| 12 | Robert E. Priser | 40 | head | Electrician | Ohio |
| 13 | Estella M. B. Priser | 40 | wife | — | Ohio |
| 14 | Donald E. Priser | 18 | son | New Worker | Ohio |
| 15 | Robert C. Priser | 14 | son | — | Ohio |
| 16 | D. Eileen Priser | 11 | daughter | — | Ohio |
| 17 | Lucille M. Priser | 7 | daughter | — | Ohio |
| 18 | Juanita I. Priser | 5 | daughter | — | Ohio |
| 19 | Richard M. Johnson THIS PERSON | 35 | head | Salesman | Ohio |
| 20 | Mabel I. B. Johnson | 33 | wife | — | Ohio |
| 21 | Richard M. Jr. Johnson | 7 | son | — | Ohio |
| 22 | Albert E. Runyon | 41 | head | Machinist | Ohio |
| 23 | Anna M. B. Runyon | 38 | wife | — | Indiana |
| 24 | James A. Runyon | 19 | son | Wholesale Baker | Ohio |
| 25 | Morris S. Runyon | 17 | son | New Worker | Ohio |
| 26 | Clifford N. Runyon | 14 | son | — | Ohio |
| 27 | Shirley E. Runyon | 10 | daughter | — | Ohio |
| 28 | Edwin A. Miller | 53 | head | Carpenter Painter | Ohio |
| 29 | Ada I. Miller | 44 | wife | Housekeeper | Ohio |
| 30 | Hubert Jackson | 20 | son-in-law | New Worker | Ohio |
| 31 | Vivian I. Jackson | 18 | daughter | — | Ohio |
| 32 | Hubert Allen Jackson | 0 | grandson | — | Ohio |
| 33 | Amanda A. Miller | 78 | mother | — | Ohio |
| 34 | Aaron K. Housekeeper | 28 | head | Pressman | Indiana |
| 35 | Evelyn M. B. Housekeeper | 26 | wife | — | Ohio |
| 36 | Joan Housekeeper | 8 | daughter | — | Ohio |
| 37 | Barbara J. Housekeeper | 2 | daughter | — | Ohio |
| 38 | Bertha D. Brown | 50 | head | Servant | Ohio |
| 39 | Audrey Brown | 13 | daughter | — | Ohio |
| 40 | Lewis Jr. Brown | 10 | son | — | Ohio |
Pedigree Summary
Richard
Gen 1 · 4 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)