AJ
Arnold Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Arnold Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Matt & Patrick — first a head (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Johnson |
| Given Name | Arnold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St Paul city |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | automobile examiner |
| Industry | fire insurance |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 274 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Automobile Examiner |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1901 |
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 Arnold | Age | Birth yr |
|---|---|---|---|---|
| Arnold Johnson | Head | — | 39 | ~1901 |
| Florence Johnson | Spouse | — | 36 | ~1904 |
| Richard Johnson | Son | — | 2 | ~1938 |
Census Appearances
1910
Ramsey, Minnesota
Son, age 7
Ramsey, Minnesota · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Arnold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Ramsey, Minnesota
Son, age 18
Ramsey, Minnesota · implied b. ~1902 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Arnold B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Head, age 29
Ramsey, Minnesota · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Arnold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Examiner |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Head, age 39
Ramsey-County, Minnesota · implied b. ~1901 — 3 household members
| Surname | Johnson |
| Given Name | Arnold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St Paul city |
| 1935 Residence (County) | Ramsey |
| Occupation | automobile examiner |
| Industry | fire insurance |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 274 |
| Highest Grade | H 2 |
| 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 Arnold Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Matt Johnson (~0.92 confidence) and father Patrick Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence) and mother Mathilda Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Matt Johnson
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Patrick Johnson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Mathilda Johnson
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arnold Johnson
Head · 1940 · age 39 · b. ~1901 · Minnesota
★ 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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01994-00400)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Morton Hagstrom | 15 | Step son | — | Minnesota |
| 2 | Gloria Hagstrom | 11 | Daughter | — | Minnesota |
| 3 | Myrtle Steen | 38 | Lodger | Department Manager | Wisconsin |
| 4 | Arnold Johnson THIS PERSON | 39 | Head | Automobile Examiner | Minnesota |
| 5 | Florence A. Johnson | 36 | Wife | — | Minnesota |
| 6 | Richard Johnson | 2 | Son | — | Minnesota |
| 7 | Frank A. Abrahamson | 55 | Head | Architect | Minnesota |
| 8 | Sophia D. Abrahamson | 47 | Wife | — | Minnesota |
| 9 | Elna A. Abrahamson | 16 | Daughter | — | Minnesota |
| 10 | Ray E. Abrahamson | 11 | Son | — | Minnesota |
| 11 | Thomas A. Gratzck | 53 | Head | Physician And Surgeon | Minnesota |
| 12 | Theresa A. Gratzck | 43 | Wife | — | Minnesota |
| 13 | Thomas John Gratzck | 21 | Son | Vacation Work | Minnesota |
| 14 | Florence T. Gratzck | 18 | Daughter | — | Minnesota |
| 15 | Joan R. Gratzck | 16 | Daughter | — | Minnesota |
| 16 | John B. Gratzck | 9 | Son | — | Minnesota |
| 17 | Carl Bergstrom | 38 | Head | Assembly Line | Minnesota |
| 18 | Ella A. Bergstrom | 37 | Wife | — | Minnesota |
| 19 | Marilyn Bergstrom | 9 | Daughter | — | Minnesota |
| 20 | August Palmquist | 74 | Father-in-law | — | Sweden |
| 21 | John Schultz | 48 | Head | Lumber Inspector | Minnesota |
| 22 | Mary Schultz | 48 | Wife | Fireman | Minnesota |
| 23 | Peter Agness | 60 | Head | Painter | Norway |
| 24 | Esther Agness | 57 | Wife | — | Norway |
| 25 | Jane Agness | 23 | Daughter | Music Teacher | Minnesota |
| 26 | Richard Agness | 14 | Son | — | Minnesota |
| 27 | Frank Bjorkstrom | 83 | Father-in-law | — | Sweden |
| 28 | Arthur L. Ernst | 46 | Head | Auditor | Minnesota |
| 29 | Rosalie B. Ernst | 44 | Wife | — | Minnesota |
| 30 | Lois Ernst | 18 | Daughter | — | Minnesota |
| 31 | Stanley Ernst | 14 | Son | — | Minnesota |
| 32 | Albert Johnson | 66 | Head | Printer | Minnesota |
| 33 | Ella A. Johnson | 61 | Wife | — | Sweden |
| 34 | Marjorie Johnson | 27 | Daughter | Clerk | Minnesota |
| 35 | Mary Carlson | 83 | Mother-in-law | — | Sweden |
| 36 | Adright Carlson | 43 | Brother-in-law | Salesman | Minnesota |
| 37 | Eric W. Alm | 46 | Head | Accountant | Minnesota |
| 38 | Ruth Alm | 46 | Wife | — | Wisconsin |
| 39 | Betty M. Alm | 15 | Daughter | — | Minnesota |
| 40 | Marjorie R. Alm | 11 | Daughter | — | Minnesota |
Pedigree Summary
Arnold
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)