RJ
Ray Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Boone-County, Iowa
Our Model Tree links this Ray Johnson across the 1920, 1930 and 1940 US Censuses in Boone-County, Iowa (XGBoost, ~Confirmed), with identified parents Amy & Robert — first a head (b.~1900), then head of a 5-person household.
Age 40
b. ~1900
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Iowa |
| Surname | Johnson |
| Given Name | Ray C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Garden Township |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Garden Township |
| Est. Birth Year | ~1900 |
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 Ray | Age | Birth yr |
|---|---|---|---|---|
| Matilda Johnson | Daughter | — | 2 | ~1938 |
| Juanita Johnson | Daughter | — | 11 | ~1929 |
| Ray Johnson | Head | — | 40 | ~1900 |
| Duane Johnson | Son | — | 8 | ~1932 |
| Ila Johnson | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Greene, Iowa
Son, age 19
Greene, Iowa · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Roy C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Head, age 30
Boone, Iowa · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Roy C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 26 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Boone-County, Iowa
Head, age 40
Boone-County, Iowa · implied b. ~1900 — 5 household members
| Surname | Johnson |
| Given Name | Ray C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Garden Township |
| 1935 Residence (County) | Boone |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Ray Johnson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Amy Johnson (~0.92 confidence) and father Robert Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Amy Johnson
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
Robert Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
This person
Anchor record
Ray Johnson
Head · 1940 · age 40 · b. ~1900 · Iowa
★ 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 — Boone-County, Iowa
Open full size
1940 US Federal Census — Boone-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01141-00645)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Geo. H. Henney | 34 | Head | Farmer | Minnesota |
| 2 | Frieda Henney | 33 | Wife | — | Iowa |
| 3 | Verde Henney | 12 | Daughter | — | Iowa |
| 4 | Eloise Henney | 5 | Daughter | — | Iowa |
| 5 | John Henney | 2 | Son | — | Iowa |
| 6 | John M. Whitmore | 64 | Head | Farmer | Illinois |
| 7 | Ralph G. Gundall | 58 | Head | Farmer | Iowa |
| 8 | Irene Gundall | 45 | Wife | — | Nebraska |
| 9 | Betty Ann Gundall | 18 | Daughter | — | Iowa |
| 10 | Willard Dean Gundall | 14 | Son | — | Iowa |
| 11 | Bernice Gundall | 13 | Son | — | Iowa |
| 12 | George Helder | 23 | Head | Farm Laborer | Iowa |
| 13 | Frances Helder | 24 | Wife | — | Iowa |
| 14 | Donald Helder | 3 | Son | — | Iowa |
| 15 | Arthur Carlson | 30 | Head | Farmer | Iowa |
| 16 | Arlene Carlson | 22 | Wife | — | Iowa |
| 17 | Melvin Page | 68 | Head | Farmer | Iowa |
| 18 | Grace Page | 61 | Wife | — | Iowa |
| 19 | Harold Crabtree | 29 | Head | Farmer | Iowa |
| 20 | Catherine Crabtree | 30 | Wife | — | Iowa |
| 21 | June Crabtree | 6 | Daughter | — | Iowa |
| 22 | Correne Crabtree | 5 | Daughter | — | Iowa |
| 23 | Marvin Crabtree | 3 | Son | — | Iowa |
| 24 | Ray C. Johnson THIS PERSON | 40 | Head | Farmer | Illinois |
| 25 | Ila O. Johnson | 37 | Wife | — | Iowa |
| 26 | Juanita Johnson | 11 | Daughter | — | Iowa |
| 27 | Duane Johnson | 8 | Son | — | Iowa |
| 28 | Matilda Johnson | 2 | Daughter | — | Iowa |
| 29 | S. G. Hamilton | 51 | Head | Farmer | Iowa |
| 30 | J. Elizabeth Hamilton | 47 | Wife | — | Iowa |
| 31 | Emery Samson | 41 | Head | — | Iowa |
| 32 | Kenneth Samson | 22 | Son | Farmer | Iowa |
| 33 | La Verne Samson | 20 | Son | Farm Laborer | Iowa |
| 34 | Harold Samson | 19 | Son | Farm Laborer | Iowa |
| 35 | Eloise Samson | 17 | Daughter | — | Iowa |
| 36 | Virginia Samson | 13 | Daughter | — | Iowa |
| 37 | Richard Samson | 10 | Son | — | Iowa |
| 38 | Kenneth Carroll | 30 | Head | Truck Driver | Iowa |
| 39 | Ethel Carroll | 33 | Wife | — | Iowa |
| 40 | Sheila Rever | 15 | Daughter | — | Iowa |
Related Census Records
Pedigree Summary
Ray
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)