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Arnold Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Arnold Johnson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Ingrid — first a head (b.~1886), then head of a 3-person household.
Age 54
b. ~1886
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Johnson |
| Given Name | Arnold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Moline |
| 1935 Residence (County) | Rock Island |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Machinist |
| Industry | Farm Impl. Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1650 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Machinist |
| Township / Ward | Moline |
| Est. Birth Year | ~1886 |
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 |
|---|---|---|---|---|
| Edna Johnson | Daughter | — | 30 | ~1910 |
| Arnold Johnson | Head | — | 54 | ~1886 |
| Ivy Johnson | Spouse | — | 53 | ~1887 |
Census Appearances
1900
Rock Island, …
Son, age 15
Rock Island, Illinois · implied b. ~1885 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Arnold H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Sweden |
| Birth Month | Oct |
| Birth Year | 1885 |
| Year of Immigration | 1890 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1910
Rock Island, …
Head, age 25
Rock Island, Illinois · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Arnold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Sweden |
| Years Married | 3 |
| Year of Immigration | 1890 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Driller |
| Industry | Plow shop |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Rock Island, …
Head, age 34
Rock Island, Illinois · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Arnold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1904 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Driller |
| Industry | Plow Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Sweden |
| Year of Naturalization | 1912 |
| Birthplace (normalized) | sweden |
1930
Rock Island, …
Head, age 44
Rock Island, Illinois · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Arnold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Age at First Marriage | 22 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Driller |
| Industry | Implement factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Rock-Island-County, Illinois
Head, age 54
Rock-Island-County, Illinois · implied b. ~1886 — 3 household members
| Surname | Johnson |
| Given Name | Arnold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Moline |
| 1935 Residence (County) | Rock Island |
| Naturalization Status | Naturalized |
| Occupation | Machinist |
| Industry | Farm Impl. Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1650 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Johnson (~0.92 confidence) and mother Ingrid Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnson
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Ingrid Johnson
b. ~1856
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arnold Johnson
Head · 1940 · age 54 · b. ~1886 · Illinois
★ 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 — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00875-00421)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wilda Palmquist | 58 | Wife | — | Sweden |
| 42 | Verner Kock | 31 | Son-in-law | Machinist | Illinois |
| 43 | Virginia Kock | 20 | Daughter | Comptometer Operator | Illinois |
| 44 | Peter Caffero | 60 | Head | Proprietor | Belgium |
| 45 | Louise Caffero | 55 | Wife | — | Illinois |
| 46 | Irene Caffero | 32 | Daughter | Clerk & Saleslady | Illinois |
| 47 | Oscar H Andreen | 39 | Head | Clerk | Illinois |
| 48 | Ethel Andreen | 34 | Wife | — | Indiana |
| 49 | Gloria Andreen | 8 | Daughter | — | Illinois |
| 50 | Carol Andreen | 1 | Daughter | — | Illinois |
| 51 | James Malthouse | 49 | Head | Machine Operator | Iowa |
| 52 | Mildred Malthouse | 52 | Wife | — | Wisconsin |
| 53 | Wm. Malthouse | 24 | Son | Machine Operator | Iowa |
| 54 | Edward Malthouse | 21 | Son | Inspector | Iowa |
| 55 | Sigre Pearson | 37 | Head | Washing | Sweden |
| 56 | Eugene Pearson | 12 | Son | — | Illinois |
| 57 | Joan Pearson | 9 | Daughter | — | Illinois |
| 58 | Andrew Erickson | 63 | Father | Polisher | Sweden |
| 59 | Arnold Johnson THIS PERSON | 54 | Head | Machinist | Sweden |
| 60 | Ivy Johnson | 53 | Wife | — | Illinois |
| 61 | Edna Johnson | 30 | Daughter | — | Illinois |
| 62 | Harry Johnson | 49 | Head | Experimental Man | Illinois |
| 63 | Alice Johnson | 46 | Wife | — | Iowa |
| 64 | Keith Johnson | 21 | Son | Clerk | Illinois |
| 65 | Marcella Johnson | 20 | Daughter | Mimeograph Op. | Illinois |
| 66 | Marvel Johnson | 20 | Daughter | Mimeograph Op. | Illinois |
| 67 | Marie Johnson | 14 | Daughter | — | Illinois |
| 68 | Harry Johnson | 9 | Son | — | Illinois |
| 69 | Lois Johnson | 6 | Daughter | — | Illinois |
| 70 | Fred Volentine | 64 | Head | Drill-Presser | Minnesota |
| 71 | Emma Volentine | 64 | Wife | — | Minnesota |
| 72 | Wilbur D. Volentine | 27 | Son | Clerk | Illinois |
| 73 | Harriet M. Volentine | 24 | Daughter | Stenographer | Illinois |
| 74 | John Verner Johnson | 61 | Head | Drop-Forger | Sweden |
| 75 | Paul E. Johnson | 22 | Son | Laborer | Illinois |
| 76 | Sylvan Borgonjon | 60 | Head | Laborer | Belgium |
| 77 | Elaine Borgonjon | 56 | Wife | Basting | Belgium |
| 78 | Henry R. Eckert | 54 | Head | Proprietor | Iowa |
| 79 | Hazel Eckert | 48 | Wife | — | Iowa |
| 80 | Camiel Verstraete | 57 | Head | Laborer | Belgium |
Pedigree Summary
Arnold
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)