LJ
Lewis Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Lewis Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 3-person household.
Age 69
b. ~1871
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Johnson |
| Given Name | Lewis S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Building |
| Class of Worker | OA |
| Hours Worked | 32 |
| Income (1939) | 15 |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Carpenter |
| Township / Ward | Portland City |
| Est. Birth Year | ~1871 |
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 Lewis | Age | Birth yr |
|---|---|---|---|---|
| Lewis Johnson | Head | — | 69 | ~1871 |
| Walter Johnson | Son | — | 29 | ~1911 |
| Tillie Johnson | Spouse | — | 70 | ~1870 |
Census Appearances
1910
Clackamas, Oregon
Head, age 38
Clackamas, Oregon · implied b. ~1872 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lewis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Sweden |
| Years Married | 4 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farming |
| Industry | Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Multnomah, Oregon
Head, age 48
Multnomah, Oregon · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lewis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1887 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Birth Country | Sweden |
| Year of Naturalization | 1893 |
| Birthplace (normalized) | sweden |
1930
Multnomah, Oregon
Head, age 58
Multnomah, Oregon · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lewis S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | un |
| Age at First Marriage | 29 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Home Value / Rent | 1500 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Multnomah-County, Oregon
Head, age 69
Multnomah-County, Oregon · implied b. ~1871 — 3 household members
| Surname | Johnson |
| Given Name | Lewis S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Naturalization Status | Naturalized |
| Occupation | Carpenter |
| Industry | Building |
| Class of Worker | OA |
| Hours Worked | 32 |
| Income (1939) | 15 |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| 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 Lewis Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lewis Johnson
Head · 1940 · age 69 · b. ~1871 · Oregon
★ 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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03388-00381)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lex Mutch | 26 | Head | Mechanic | Minnesota |
| 2 | Harold B. Clow | 39 | Head | Laborer | Michigan |
| 3 | Ivy R. Clow | 31 | Wife | — | England |
| 4 | Nancy M. Clow | 4 | Daughter | — | Oregon |
| 5 | Derry Stanley Anderson | 33 | Head | Painter, Interior | Utah |
| 6 | Alice J. Anderson | 29 | Wife | — | Idaho |
| 7 | Roy S. Anderson | 5 | Son | — | Oregon |
| 8 | Richard Neal Anderson | 1 | Son | — | Oregon |
| 9 | Gilbert Keith Anderson | 0 | Son | — | Oregon |
| 10 | Lewis S. Johnson THIS PERSON | 69 | Head | Carpenter | Sweden |
| 11 | Tillie A. Johnson | 70 | Wife | Producer | Sweden |
| 12 | Walter L. Johnson | 29 | Son | Operator | Oregon |
| 13 | Avidis Manougian | 54 | Head | Repair Man | Turkey |
| 14 | Nazig Manougian | 46 | Wife | — | Turkey |
| 15 | Nuvig Manougian | 21 | Daughter | Stenographer | Turkey |
| 16 | John Manougian | 14 | Son | — | New York |
| 17 | Sarkis Manougian | 12 | Son | — | Oregon |
| 19 | Stella D. Milbank | 81 | Head | — | Michigan |
| 20 | William E. Milbank | 56 | Son | Wood-Cutter | Iowa |
| 21 | Ethel B. Hamilton | 48 | Daughter | — | Iowa |
| 22 | Dora M. Thomas | 58 | Head | — | Oregon |
| 23 | George P. Blickhahn | 62 | Lodger | Cook & Manager | Illinois |
| 24 | Jack A. Roth | 31 | Head | Laborer | South Dakota |
| 25 | Mary A. Roth | 25 | Wife | — | Oregon |
| 26 | Patricia Ann Roth | 8 | Daughter | — | Oregon |
| 27 | Jack A., Junior Roth | 7 | Son | — | Oregon |
| 28 | Charles W. Lazott | 86 | Head | — | New York |
| 29 | Ora A. Lazott | 64 | Wife | — | Illinois |
| 30 | William H. Bentley | 46 | Head | Bus-Operator | North Dakota |
| 31 | Nellie I. Bentley | 36 | Wife | — | Oregon |
| 32 | Richard W. Bentley | 27 | Son | Laborer | Washington |
| 33 | Joseph A. Bentley | 10 | Son | — | Oregon |
| 34 | James H. Honig | 80 | Head | — | Oregon |
| 35 | Leatha Honig | 53 | Daughter | Dressmaker | Oregon |
| 36 | Floyd H. Rowley | 38 | Head | Laborer | Washington |
| 37 | Josephine S. Rowley | 30 | Wife | — | Oregon |
| 38 | Joyce S. Rowley | 12 | Daughter | — | Oregon |
| 39 | Frances E. Rowley | 6 | Daughter | — | Oregon |
| 40 | Harry Elvin Smith | 57 | Head | Chiropractor | Illinois |
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)