DA
David Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pierce-County, Washington
Our Model Tree links this David Anderson across the 1920, 1930 and 1940 US Censuses in Pierce-County, Washington (XGBoost, ~Confirmed), with identified parents Andrew & Andrew — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pierce-County, Washington |
| Surname | Anderson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Parkland |
| 1935 Residence (County) | Pierce |
| Additional Details | |
| Occupation | High Scaler |
| Industry | Dam construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | High Scaler |
| Township / Ward | Parkland |
| Est. Birth Year | ~1913 |
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 David | Age | Birth yr |
|---|---|---|---|---|
| David Anderson | Head | — | 27 | ~1913 |
| Roger Anderson | Son | — | 1 | ~1939 |
| Eloie Anderson | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Pierce, Washington
Son, age 8
Pierce, Washington · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Pierce, Washington
Son, age 17
Pierce, Washington · implied b. ~1913 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | David A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Pierce-County, Washington
Head, age 27
Pierce-County, Washington · implied b. ~1913 — 3 household members
| Surname | Anderson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Parkland |
| 1935 Residence (County) | Pierce |
| Occupation | High Scaler |
| Industry | Dam construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | H 4 |
| 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 David Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Anderson (~0.92 confidence) and father Andrew Anderson (~0.92 confidence) and mother Esther Anderson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Anderson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Andrew Anderson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Esther Anderson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Anderson
Head · 1940 · age 27 · b. ~1913 · 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-t0627-04356-00302)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alvin Stimpson | 10 | Son | — | Washington |
| 2 | John Milliken | 39 | Head | Carpenter | Newfoundland |
| 3 | Viola Milliken | 29 | Wife | — | Canada English |
| 4 | Gay Milliken | 10 | Daughter | — | Washington |
| 5 | James Milliken | 5 | Son | — | Washington |
| 6 | Julius Larson | 50 | Head | Carpenter | Iowa |
| 7 | Grace Larson | 43 | Wife | — | Washington |
| 8 | Nettie Crooker | 53 | Head | — | Kansas |
| 9 | John Flowers | 78 | Boarder | — | Illinois |
| 10 | Lillian Lonergan | 44 | Head | — | Illinois |
| 11 | Floyd Lonergan | 19 | Son | Snag Faller | Washington |
| 12 | John Lonergan | 18 | Son | Plumber | Washington |
| 13 | Wallace Lonergan | 16 | Son | — | Washington |
| 14 | Dorothy Lonergan | 14 | Daughter | — | Washington |
| 15 | Shirley Lonergan | 12 | Daughter | — | Washington |
| 16 | Bernard Hammond | 54 | Head | Laborer | Iowa |
| 17 | Ida Hammond | 42 | Wife | — | Montana |
| 18 | Elaine Hammond | 18 | Daughter | Maid | Washington |
| 19 | Beulah Hammond | 15 | Daughter | — | Washington |
| 20 | Ray Hammond | 10 | Son | — | Washington |
| 21 | Warren Hammond | 7 | Son | — | Washington |
| 22 | Harry Mceldowney | 69 | Head | Farmer | Pennsylvania |
| 23 | Blanche Mceldowney | 68 | Wife | — | Ohio |
| 24 | David Anderson THIS PERSON | 27 | Head | High Scaler | Washington |
| 25 | Eloie Anderson | 28 | Wife | — | California |
| 26 | Roger Anderson | 1 | Son | — | Washington |
| 27 | Swan Anderson | 63 | Head | — | Norway |
| 28 | Laura Anderson | 62 | Wife | — | Norway |
| 29 | Berger Anderson | 41 | Head | Longshoreman | Norway |
| 30 | Anna Anderson | 38 | Wife | — | Wisconsin |
| 31 | Doris Anderson | 10 | Daughter | — | Washington |
| 32 | George D. Birch | 29 | Head | Laborer | Washington |
| 33 | Hilda Birch | 22 | Wife | — | Minnesota |
| 34 | Laura Jane Birch | 1 | Daughter | — | Washington |
| 35 | James Birch | 27 | Head | Laborer | Washington |
| 36 | Evelyn Birch | 19 | Wife | — | Washington |
| 37 | Bobby Birch | 2 | Son | — | Washington |
| 38 | Curtis Birch | 0 | Son | — | Washington |
| 39 | Howard Johnston | 29 | Head | Logging | Oklahoma |
| 40 | Lillian Johnston | 28 | Wife | — | Washington |
Pedigree Summary
David
Gen 1 · 3 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)