LS
Lewis Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Oregon
Our Model Tree links this Lewis Smith across the 1930 and 1940 US Censuses in Washington-County, Oregon (XGBoost, ~Confirmed) — first a head (b.~1896), then head of a 9-person household.
Age 44
b. ~1896
Male
Head
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Oregon |
| Surname | Smith |
| Given Name | Lewis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Hillsboro |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Clerk |
| Industry | W.P.A. |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 697 |
| Highest Grade | C 4 |
| 1935 Residence | Oregon |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Clerk |
| Township / Ward | West Slope |
| Est. Birth Year | ~1896 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lewis | Age | Birth yr |
|---|---|---|---|---|
| Fern Smith | Daughter | — | 6 | ~1934 |
| June Smith | Daughter | — | 13 | ~1927 |
| Minnie Smith | Daughter | — | 2 | ~1938 |
| Lewis Smith | Head | — | 44 | ~1896 |
| Ralph Smith | Son | — | 10 | ~1930 |
| Gene Smith | Son | — | 7 | ~1933 |
| Ray Smith | Son | — | 3 | ~1937 |
| Lloyd Smith | Son | — | 10 | ~1930 |
| Josie Smith | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Washington, Oregon
Head, age 34
Washington, Oregon · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lewis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 28 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Electrician Engineer |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Washington-County, Oregon
Head, age 44
Washington-County, Oregon · implied b. ~1896 — 9 household members
| Surname | Smith |
| Given Name | Lewis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Hillsboro |
| 1935 Residence (County) | Washington |
| Occupation | Clerk |
| Industry | W.P.A. |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 697 |
| Highest Grade | C 4 |
| 1935 Residence | Oregon |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lewis Smith
Head · 1940 · age 44 · b. ~1896 · Oregon
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Washington-County, Oregon
Open full size
1940 US Federal Census — Washington-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03383-00404)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patrick E. Murphy | 52 | Head | Fireman | Oregon |
| 42 | Frances E. Murphy | 27 | Wife | — | Oregon |
| 43 | Wayne E. Murphy | 1 | Son | — | Oregon |
| 44 | Phillip R. Cornelius | 74 | Head | — | Iowa |
| 45 | Marie Cornelius | 74 | Wife | — | Pennsylvania |
| 46 | Richard L. Waycott | 29 | Head | Gardener | California |
| 47 | Juanita Waycott | 26 | Wife | — | Oregon |
| 48 | Jan H. Waycott | 1 | Son | — | Oregon |
| 49 | George W. Story | 31 | Head | Trader | Oregon |
| 50 | Mary R. Story | 31 | Wife | — | Texas |
| 51 | George R. Story | 3 | Son | — | Oregon |
| 52 | Andrew Milan | 57 | Head | Manager | Greece |
| 53 | Irene Milan | 34 | Wife | — | Greece |
| 54 | William Jammie|Jamieson | 55 | Head | Salesman | Minnesota |
| 55 | Allie B. Jammie|Jamieson | 48 | Wife | — | Wisconsin |
| 56 | Erwin L. Wilkinson | 54 | Cousin | Laborer | Wisconsin |
| 57 | Lewis Smith THIS PERSON | 44 | Head | Clerk | South Dakota |
| 58 | Josie F. Smith | 38 | Wife | — | South Dakota |
| 59 | Ralph P. Smith | 10 | Son | — | Oregon |
| 60 | June E. Smith | 13 | Daughter | — | Oregon |
| 61 | Lloyd E. Smith | 10 | Son | — | Oregon |
| 62 | Gene F. Smith | 7 | Son | — | Oregon |
| 63 | Fern F. Smith | 6 | Daughter | — | Oregon |
| 64 | Ray J. Smith | 3 | Son | — | Oregon |
| 65 | Minnie M. Smith | 2 | Daughter | — | Oregon |
| 66 | Frank C. Roberts | 25 | Head | Mushroom Grower | Kansas |
| 67 | Kathryn Roberts | 27 | Wife | — | Missouri |
| 68 | William L. Roberts | 1 | Son | — | Oregon |
| 69 | Gilmer Terrance | 40 | Head | Pharmacist | Oklahoma |
| 70 | Babe Terrance | 40 | Wife | — | Illinois |
| 71 | Robert M. Young | 35 | Head | Floorman | Iowa |
| 72 | Beulah F. Young | 35 | Wife | — | Oregon |
| 73 | Patricia K. Young | 12 | Daughter | — | Oregon |
| 74 | Eugene W. Reed | 26 | Head | Policeman | Oregon |
| 75 | Margaret L. Reed | 22 | Wife | Demonstrator | Oregon |
| 76 | Jack W. Reed | 1 | Son | — | Oregon |
| 77 | Ross O. Alexander | 24 | Head | Sales Clerk | Michigan |
| 78 | La Verl Alexander | 20 | Wife | — | Canada |
| 79 | James E. Conaly | 38 | Head | Manager | Michigan |
| 80 | Musa H. Conaly | 34 | Wife | — | Pennsylvania |
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)