RJ
Roy Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Roy Johnson across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Carl & Carl — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Johnson |
| Given Name | Roy H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | ST. PAUL CITY |
| 1935 Residence (County) | RAMSEY |
| Additional Details | |
| Occupation | Typing |
| Industry | Wood Shop Project |
| Class of Worker | 236 |
| Hours Worked | 34 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Typing |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Doris Johnson | Daughter | — | 18 | ~1922 |
| Carl Johnson | Head | — | 46 | ~1894 |
| Roy Johnson | Son | — | 21 | ~1919 |
| Emmy Johnson | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Ramsey, Minnesota
Son, age 1
Ramsey, Minnesota · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ray |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
Son, age 11
Ramsey, Minnesota · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ray |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 21
Ramsey-County, Minnesota · implied b. ~1919 — 4 household members
| Surname | Johnson |
| Given Name | Roy H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | ST. PAUL CITY |
| 1935 Residence (County) | RAMSEY |
| Occupation | Typing |
| Industry | Wood Shop Project |
| Class of Worker | 236 |
| Hours Worked | 34 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Carl Johnson (~0.92 confidence) and father Carl Johnson (~0.92 confidence) and father Carl Johnson (~0.92 confidence) and mother Emma Johnson (~0.92 confidence) and mother Emmy Johnson (~0.92 confidence) and mother Annie Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Johnson
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Carl Johnson
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Carl Johnson
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Emma Johnson
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Emmy Johnson
b. ~1901
Source mother
● Household
· direct · ~0.92
Mother
Annie Johnson
b. ~1901
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Johnson
Son · 1940 · age 21 · b. ~1919 · Minnesota
★ You are viewing this record
Sibling
Doris Johnson
Sibling · 1940 · age 18
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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01996-00511)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louise Peham | 55 | Wife | — | Austria |
| 2 | Thearsa Peham | 28 | Daughter | Seamstress | Austria |
| 3 | John Peham | 24 | Son | Pattern Maker | Minnesota |
| 4 | Bert Peham | 22 | Son | Pattern Maker | Minnesota |
| 5 | Mary Peham | 20 | Daughter | New Worker | Minnesota |
| 6 | Margaret Peham | 14 | Daughter | — | Minnesota |
| 7 | John Dreyling | 57 | Lodger | Carpenter | Austria |
| 8 | Awalt Martin | 39 | Head | Machinist | Wisconsin |
| 9 | Marie Martin | 36 | Wife | — | Norway |
| 10 | August Dugan | 34 | Head | Shipping Clerk | Maryland |
| 11 | Rose Dugan | 33 | Wife | — | Minnesota |
| 12 | Gerald Dugan | 7 | Son | — | Minnesota |
| 13 | Rosemary Dugan | 4 | Daughter | — | Minnesota |
| 14 | Theodore Egeland | 49 | Head | Insurance Salesman | Iowa |
| 15 | Frances Egeland | 45 | Wife | — | Minnesota |
| 16 | Theo Egeland | 14 | Daughter | — | Minnesota |
| 17 | Carl Johnson | 46 | Head | Carpenter | Sweden |
| 18 | Emmy Johnson | 39 | Wife | — | Sweden |
| 19 | Roy H. Johnson THIS PERSON | 21 | Son | Typing | Minnesota |
| 20 | Doris V. Johnson | 18 | Daughter | New-Worker | Minnesota |
| 21 | Henry Beck | 80 | Head | — | Austria |
| 22 | Frank Hardwick | 58 | Head | Department Foreman | Minnesota |
| 23 | Ida Hardwick | 58 | Wife | — | Minnesota |
| 24 | Dorothy Hardwick | 26 | Daughter | Secretary | Wisconsin |
| 25 | Hazel Hardwick | 23 | Daughter | Information Operator | Wisconsin |
| 26 | Gladys Hardwick | 21 | Daughter | Clerk | Wisconsin |
| 27 | Gunnard Johnson | 32 | Head | Rail Mail Clerk | Wisconsin |
| 28 | Catherine Johnson | 30 | Wife | — | Wisconsin |
| 29 | Virginia Johnson | 3 | Daughter | — | Minnesota |
| 30 | Lorraine Metzdorf | 25 | Sister | — | Wisconsin |
| 31 | Dennis Metzdorf | 1 | Nephew | — | Wisconsin |
| 32 | Charles Cameron | 67 | Head | Elevator Operator | Illinois |
| 33 | Margaret Cameron | 67 | Wife | — | Wisconsin |
| 34 | Walter Hoffman | 46 | Head | City Fireman | Minnesota |
| 35 | Eva Hoffman | 46 | Wife | — | Minnesota |
| 36 | Robert Hoffman | 22 | Son | Private Apprentice | Minnesota |
| 37 | Vernon Hoffman | 20 | Son | Apprentice Plumber | Minnesota |
| 38 | John Vogt | 78 | Head | — | Germany |
| 39 | Emma Vogt | 74 | Wife | — | Sweden |
Related Census Records
Pedigree Summary
Roy + 1 sibling
Gen 1 · 6 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)