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Carl Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pierce-County, Washington
Our Model Tree links this Carl Nelson across the 1920, 1930 and 1940 US Censuses in Pierce-County, Washington (XGBoost, ~Confirmed), with identified parents Peter & Alice — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pierce-County, Washington |
| Surname | Nelson |
| Given Name | Carl W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Tacoma |
| 1935 Residence (County) | Pierce |
| Additional Details | |
| Occupation | Brick Contr. |
| Industry | Own business Construction |
| Class of Worker | OA |
| Hours Worked | 32 |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Brick Contr. |
| Township / Ward | Tacoma |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Carl Nelson | Head | — | 39 | ~1901 |
| William Nelson | Son | — | 13 | ~1927 |
| Carl Nelson | Son | — | 12 | ~1928 |
| Myrtle Nelson | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Pierce, Washington
Son, age 19
Pierce, Washington · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Brickmason |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Pierce, Washington
Head, age 29
Pierce, Washington · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nilson |
| Given Name | Carl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 22 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Brickmason |
| Industry | Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Pierce-County, Washington
Head, age 39
Pierce-County, Washington · implied b. ~1901 — 4 household members
| Surname | Nelson |
| Given Name | Carl W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Tacoma |
| 1935 Residence (County) | Pierce |
| Occupation | Brick Contr. |
| Industry | Own business Construction |
| Class of Worker | OA |
| Hours Worked | 32 |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Carl Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Nelson (~0.92 confidence) and mother Alice Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Nelson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Alice Nelson
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Nelson
Head · 1940 · age 39 · b. ~1901 · Washington
★ 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 — Pierce-County, Washington
Open full size
1940 US Federal Census — Pierce-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04390-00423)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patrick E Sweeney | 22 | Head | Deck Hand | Washington |
| 2 | Chester D Sweeney | 20 | Brother | Deck Hand | Washington |
| 3 | Chas R Sweeney | 15 | Brother | — | Washington |
| 4 | Gertrude L Doyle | 63 | Head | Seamstress | Iowa |
| 5 | Stephen H Tracy | 44 | Head | Logger | California |
| 6 | Ethel H Tracy | 46 | Wife | Practical Nurse | California |
| 7 | Robert E Wagner | 31 | Head | Woodworker | California |
| 8 | Louisa A Wagner | 22 | Wife | — | Washington |
| 9 | Kenneth Wagner | 1 | Step son | — | Washington |
| 10 | Roberta Wagner | 0 | Step daughter | — | Washington |
| 11 | Marie H Brown | 76 | Boarder | — | Ohio |
| 12 | Albert L Armour | 31 | Head | Packer | Washington |
| 13 | Hazel Armour | 28 | Wife | — | Washington |
| 14 | Elmer E Armour | 74 | Father | — | Illinois |
| 15 | Lawrence E Armour | 12 | Son | — | Washington |
| 16 | Hannah Lundberg | 66 | Head | — | Finland |
| 17 | Theodore Lundberg | 28 | Son | Carpenter Helper | Washington |
| 18 | Vernon Lundberg | 25 | Son | — | Washington |
| 19 | Elmer J Sr Thomas | 50 | Head | Street Improvement Laborer | Washington |
| 20 | Carrie I Thomas | 48 | Wife | — | California |
| 21 | Ralph Thomas | 16 | Son | — | Washington |
| 22 | Carrie Thomas | 13 | Daughter | — | Washington |
| 23 | Howard Thomas | 7 | Son | — | Washington |
| 24 | Sterling B Mcdonald | 39 | Head | Driver | Montana |
| 25 | Louise A Mcdonald | 36 | Wife | Seamstress | France |
| 26 | June L Mcdonald | 14 | Daughter | — | Montana |
| 27 | Sterling E Mcdonald | 13 | Son | — | Washington |
| 28 | Fred G Kiesel | 45 | Head | Saw Filer | Washington |
| 29 | Myrtle E Kiesel | 49 | Wife | — | California |
| 30 | Harold L Kiesel | 20 | Son | — | Washington |
| 31 | Carl W Nelson THIS PERSON | 39 | Head | Brick Contr. | Washington |
| 32 | Myrtle E Nelson | 39 | Wife | — | No Dakota |
| 33 | William P Nelson | 13 | Son | — | Washington |
| 34 | Carl D Nelson | 12 | Son | — | Washington |
| 35 | Alfred A Prier | 55 | Head | Carpenter | Wisconsin |
| 36 | Pearl W Prier | 51 | Wife | — | Wisconsin |
| 37 | Floyd A Prier | 29 | Son | Helper Carpenter | Idaho |
| 38 | Geo H Harris | 76 | Head | — | Canada Eng |
| 39 | Bertha E Harris | 63 | Wife | — | Pennsylvania |
| 40 | Alvin Harris | 32 | Head | Core Layer | Missouri |
Pedigree Summary
Carl
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)