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Emma Larson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Oregon
Our Model Tree links this Emma Larson across the 1920, 1930 and 1940 US Censuses in Washington-County, Oregon (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 2-person household.
Age 73
b. ~1867
Female
Head
Born: Sweden
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Oregon |
| Surname | Larson |
| Given Name | Emma M |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Precinct #9 |
| 1935 Residence (County) | Washington |
| Naturalization Status | Naturalized |
| Additional Details | |
| Industry | 0 |
| Highest Grade | S 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Precinct 9 |
| Est. Birth Year | ~1867 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Nancy Larson | Daughter | — | 37 | ~1903 |
| Emma Larson | Head | — | 73 | ~1867 |
Census Appearances
1920
Washington, Oregon
Spouse, age 53
Washington, Oregon · implied b. ~1867 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larsen |
| Given Name | Emma N. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Washington, Oregon
Spouse, age 62
Washington, Oregon · implied b. ~1868 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Emma N. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Washington-County, Oregon
Head, age 73
Washington-County, Oregon · implied b. ~1867 — 2 household members
| Surname | Larson |
| Given Name | Emma M |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Precinct #9 |
| 1935 Residence (County) | Washington |
| Naturalization Status | Naturalized |
| Industry | 0 |
| Highest Grade | S 8 |
| 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 Emma Larson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Emma Larson
Head · 1940 · age 73 · b. ~1867 · 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 — Washington-County, Oregon
Open full size
1940 US Federal Census — Washington-County, Oregon
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03382-00251)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kevin S Herrington | 2 | Son | — | Oregon |
| 42 | Charles C Mumford | 28 | Head | Truck Driver | France |
| 43 | Irene H Mumford | 20 | Wife | — | Washington |
| 44 | Emma M Larson THIS PERSON | 73 | Head | — | Sweden |
| 45 | Nancy L Larson | 37 | Daughter | — | Iowa |
| 46 | Ruth L Magnell | 52 | Head | — | Iowa |
| 47 | John M Miller | 75 | Head | — | Indiana |
| 48 | Fred F Hoffman | 46 | Lodger | Painter | Idaho |
| 49 | Gladys E Hoffman | 41 | Lodger | Nurse | Idaho |
| 50 | George A Heitzman | 54 | Head | Salesman | Kansas |
| 51 | Clara B Heitzman | 54 | Wife | — | Oregon |
| 52 | George C Heitzman | 21 | Son | Printer | Oregon |
| 53 | Rita M Heitzman | 17 | Daughter | — | Oregon |
| 54 | Jack T Tatlock | 57 | Head | Efficiency Man | Wyoming |
| 55 | Clara T Tatlock | 56 | Wife | — | Nebraska |
| 56 | Charles J Tatlock | 25 | Son | Stenographer | Oregon |
| 57 | Rex Tatlock | 20 | Son | Machine Operator | Washington |
| 59 | Thomas X Heitzman | 25 | Head | Foreman | Oregon |
| 60 | Rosemarie Heitzman | 27 | Wife | Waitress | Russia |
| 61 | Barbara A Heitzman | 0 | Daughter | — | Oregon |
| 62 | John D Neuman | 72 | Head | — | Germany |
| 63 | Willie J Neuman | 52 | Daughter | — | Ohio |
| 64 | Emila Menke | 71 | Head | — | Germany |
| 65 | Earl E Jenkins | 57 | Head | Farmer | Missouri |
| 66 | Jennie E Jenkins | 50 | Wife | — | Ohio |
| 67 | Raymond B Jenkins | 12 | Son | — | Oregon |
| 68 | Narcissa C Kettlewell | 77 | Aunt | — | Ohio |
| 69 | Alden H Barron | 32 | Head | Auto Mechanic | Oregon |
| 70 | Thelma A Barron | 31 | Wife | — | Oregon |
| 71 | Jeanann Barron | 6 | Daughter | — | Oregon |
| 72 | John C Barron | 74 | Head | Farmer | Indiana |
| 73 | Nellie E Barron | 74 | Wife | — | Indiana |
| 74 | Henry Barron | 55 | Head | — | Indiana |
| 75 | Emma J Barron | 59 | Wife | — | Indiana |
| 76 | Cox H Morris | 45 | Head | Sheetmetal Worker | Missouri |
| 77 | Bessie C Morris | 29 | Wife | — | Texas |
| 78 | Lloyd E Morris | 14 | Son | — | Washington |
| 79 | Roy H Morris | 8 | Son | — | Oregon |
| 80 | Betty L Morris | 3 | Daughter | — | Oregon |
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)