RJ
Ronald Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ellis-County, Oklahoma
Our Model Tree links this Ronald Johnson across the 1930 and 1940 US Censuses in Ellis-County, Oklahoma (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ellis-County, Oklahoma |
| Surname | Johnson |
| Given Name | Ronald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Gage Town |
| 1935 Residence (County) | Ellis |
| Additional Details | |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Gage Town |
| Est. Birth Year | ~1920 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ronald | Age | Birth yr |
|---|---|---|---|---|
| David Johnson | Son | — | 11 | ~1929 |
| Nona Johnson | Daughter | — | 16 | ~1924 |
| Roy Johnson | Son | — | 9 | ~1931 |
| Mabel Johnson | Spouse | — | 45 | ~1895 |
| Ronald Johnson | Son | — | 20 | ~1920 |
| Dave Johnson | Head | — | 45 | ~1895 |
Census Appearances
1930
Ellis, Oklahoma
Son, age 10
Ellis, Oklahoma · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ronald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Ellis-County, Oklahoma
Son, age 20
Ellis-County, Oklahoma · implied b. ~1920 — 6 household members
| Surname | Johnson |
| Given Name | Ronald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Gage Town |
| 1935 Residence (County) | Ellis |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Ronald Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ronald Johnson
Son · 1940 · age 20 · b. ~1920 · Oklahoma
★ You are viewing this record
Sibling
David Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nona Johnson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ellis-County, Oklahoma
Open full size
1940 US Federal Census — Ellis-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03291-00463)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Floyd T. Morris | 18 | Head | Labor | Oklahoma |
| 2 | Maisie M. Morris | 18 | Wife | — | Oklahoma |
| 3 | John W. Morris | 48 | Head | Labor | Missouri |
| 4 | Lois D. Morris | 36 | Wife | — | Oklahoma |
| 5 | John J. Morris | 19 | Son | — | Oklahoma |
| 6 | F. Louis Farnham | 23 | Head | Labor | Oklahoma |
| 7 | Mary M. Farnham | 20 | Wife | — | Oklahoma |
| 8 | Mary L. Farnham | 3 | Daughter | — | Oklahoma |
| 9 | Frank Louis Farnham | 0 | Son | — | Oklahoma |
| 10 | James E. Wiley | 60 | Head | Salesman | Missouri |
| 11 | Edith M. Wiley | 41 | Wife | — | Kansas |
| 12 | Beatrice Carpenter | 12 | Daughter | — | Oklahoma |
| 13 | Arthur B. Mclaughlin | 60 | Head | Labor | Kansas |
| 14 | William J. Harel | 80 | Head | — | Indiana |
| 15 | Martha D. Harel | 72 | Wife | — | Illinois |
| 16 | Marion B. Carey | 21 | Head | Operator | Texas |
| 17 | Lelah C. Carey | 21 | Wife | — | Texas |
| 18 | Marianne Carey | 1 | Daughter | — | Texas |
| 19 | Margaret D. Carey | 0 | Daughter | — | Texas |
| 20 | Ivan E. Danner | 57 | Head | Barber | Indiana |
| 21 | Ruth Danner | 52 | Wife | — | Oklahoma |
| 22 | Robert A. Rector | 72 | Head | — | Illinois |
| 23 | Netta J. Rector | 67 | Wife | — | Illinois |
| 24 | Ellsworth W. Price | 32 | Head | Radio Operator | Illinois |
| 25 | Norma I. Price | 27 | Wife | — | Illinois |
| 26 | Carl A. Price | 7 | Son | — | Missouri |
| 27 | Jerry M. Price | 1 | Son | — | Missouri |
| 28 | Lester Smith | 32 | Head | New Worker | Oklahoma |
| 29 | Irene F. Smith | 27 | Wife | — | Texas |
| 30 | Douglas D. Smith | 2 | Son | — | Oklahoma |
| 31 | Dave A. Johnson | 45 | Head | New Worker | Nebraska |
| 32 | Mabel H. Johnson | 45 | Wife | — | Kansas |
| 33 | Ronald Johnson THIS PERSON | 20 | Son | — | Oklahoma |
| 34 | Nona M. Johnson | 16 | Daughter | — | Colorado |
| 35 | David W. Johnson | 11 | Son | — | Oklahoma |
| 36 | Roy J. Johnson | 9 | Son | — | Oklahoma |
| 37 | Frank S. Hill | 68 | Head | — | Kansas |
| 38 | Emma Hill | 74 | Wife | — | Kansas |
| 39 | Myrtle Hill | 35 | Niece | Teacher | Kansas |
| 40 | Anna L. Amos | 66 | Head | — | Indiana |
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)