RJ
Roy Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pottawattamie-County, Iowa
Our Model Tree links this Roy Johnson across the 1920, 1930 and 1940 US Censuses in Pottawattamie-County, Iowa (XGBoost, ~Confirmed), with identified parents Glenn & Glen — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pottawattamie-County, Iowa |
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Pottawattamie |
| Additional Details | |
| Occupation | Farmer |
| Industry | Laborer |
| Class of Worker | NP |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Belknap Township |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Hazel Johnson | Daughter | — | 15 | ~1925 |
| Mabel Johnson | Daughter | — | 20 | ~1920 |
| Glen Johnson | Head | — | 46 | ~1894 |
| Roy Johnson | Son | — | 22 | ~1918 |
| Odessa Johnson | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Pottawattamie, Iowa
Son, age 2
Pottawattamie, Iowa · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Pottawattamie, Iowa
Son, age 12
Pottawattamie, Iowa · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Pottawattamie-County, Iowa
Son, age 22
Pottawattamie-County, Iowa · implied b. ~1918 — 5 household members
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Pottawattamie |
| Occupation | Farmer |
| Industry | Laborer |
| Class of Worker | NP |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Roy Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Glenn Johnson (~0.92 confidence) and father Glen Johnson (~0.92 confidence) and mother Odessa Johnson (~0.92 confidence) and mother Bessa Johnson (~0.92 confidence) and mother Odessa Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Glenn Johnson
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Glen Johnson
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Odessa Johnson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Bessa Johnson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Odessa Johnson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Johnson
Son · 1940 · age 22 · b. ~1918 · Iowa
★ You are viewing this record
Sibling
Hazel Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Johnson
Sibling · 1940 · age 20
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 — Pottawattamie-County, Iowa
Open full size
1940 US Federal Census — Pottawattamie-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01198-00043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary L Harris | 15 | Daughter | — | Iowa |
| 42 | Harry Budd | 41 | Head | Farmer | Missouri |
| 43 | Litta Budd | 41 | Wife | — | Missouri |
| 44 | Paul Budd | 18 | Son | — | Missouri |
| 45 | Marie Budd | 12 | Daughter | — | Missouri |
| 46 | Frank G Harris | 46 | Head | Farmer | Iowa |
| 47 | Ruth Harris | 42 | Wife | — | Iowa |
| 48 | Maxine Harris | 20 | Daughter | — | Iowa |
| 49 | Frank Jr Harris | 18 | Son | — | Iowa |
| 50 | Richard Harris | 16 | Son | — | Iowa |
| 51 | Joseph Erochele | Crochele | 28 | Head | Farmer | Iowa |
| 52 | Elvena Erochele | Crochele | 22 | Wife | — | Kansas |
| 53 | Marilyl Erochele | Crochele | 4 | Daughter | — | Iowa |
| 54 | Beryl Robinson | 31 | Head | Farmer | Iowa |
| 55 | Lois Robinson | 32 | Wife | — | Iowa |
| 56 | Ira Bates | 55 | Head | Farmer | Iowa |
| 57 | Chris Bates | 42 | Wife | — | Nebraska |
| 58 | Minnie Hilson | 65 | Mother-in-law | — | Missouri |
| 59 | George Perkins | 2 | Nephew | — | Nebraska |
| 60 | Frank Needman | 56 | Lodger | Farmer | Iowa |
| 61 | Rolland Pierson | 37 | Head | Farmer | Iowa |
| 62 | Blanche Pierson | 31 | Wife | — | Iowa |
| 63 | Oscar Pierson | 66 | Father | Farmer | Iowa |
| 64 | Merwin Pierson | 22 | Brother | Farmer | Iowa |
| 65 | Loe Jean Pierson | 9 | Daughter | — | Iowa |
| 67 | Glen Johnson | 46 | Head | Farmer | Iowa |
| 68 | Odessa Johnson | 46 | Wife | — | Iowa |
| 69 | Roy Johnson THIS PERSON | 22 | Son | Farmer | Iowa |
| 70 | Mabel Johnson | 20 | Daughter | — | Iowa |
| 71 | Hazel Johnson | 15 | Daughter | — | Iowa |
| 72 | Lem Putnam | 41 | Head | Farmer | Iowa |
| 73 | Carrie Putnam | 40 | Wife | — | Iowa |
| 74 | Donald Putnam | 18 | Son | Farmer | Iowa |
| 75 | Dale Putnam | 16 | Son | — | Iowa |
| 76 | Bennie Putnam | 14 | Son | — | Iowa |
| 77 | Jean Putnam | 11 | Daughter | — | Iowa |
| 78 | Willa Jean Putnam | 8 | Daughter | — | Iowa |
| 79 | Judith Putnam | 6 | Daughter | — | Iowa |
| 80 | Darrel Putnam | 3 | Son | — | Iowa |
Pedigree Summary
Roy + 2 siblings
Gen 1 · 5 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)