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Mildred Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Whatcom-County, Washington
Our Model Tree links this Mildred Anderson across the 1910, 1920, 1930 and 1940 US Censuses in Whatcom-County, Washington (XGBoost, ~Confirmed), with identified parents Carl & Carrie — first a daughter (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Female
Daughter
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Whatcom-County, Washington |
| Surname | Anderson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Delta Precinct |
| 1935 Residence (County) | Whatcom |
| Additional Details | |
| Occupation | Housework |
| Industry | Home |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Housework |
| Township / Ward | Delta Precinct |
| Est. Birth Year | ~1910 |
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 Mildred | Age | Birth yr |
|---|---|---|---|---|
| Mildred Anderson | Daughter | — | 30 | ~1910 |
| Carrie Anderson | Head | — | 68 | ~1872 |
| Philip Anderson | Son | — | 31 | ~1909 |
Census Appearances
1910
Whatcom, Washington
Daughter, age
Whatcom, Washington · implied b. ~1910 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Whatcom, Washington
Daughter, age 10
Whatcom, Washington · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Whatcom, Washington
Daughter, age 20
Whatcom, Washington · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Whatcom-County, Washington
Daughter, age 30
Whatcom-County, Washington · implied b. ~1910 — 3 household members
| Surname | Anderson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Delta Precinct |
| 1935 Residence (County) | Whatcom |
| Occupation | Housework |
| Industry | Home |
| Income (1939) | 0 |
| Highest Grade | C 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 Mildred Anderson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Carl Anderson (~0.92 confidence) and mother Carrie Anderson (~0.92 confidence) and mother Carrie Anderson (~0.92 confidence) and father Gerry Anderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Anderson
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Carrie Anderson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Carrie Anderson
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Gerry Anderson
b. ~1877
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mildred Anderson
Daughter · 1940 · age 30 · b. ~1910 · Washington
★ You are viewing this record
Sibling
Philip Anderson
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Whatcom-County, Washington
Open full size
1940 US Federal Census — Whatcom-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04369-00127)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edith J Heeler | 25 | Daughter | — | Washington |
| 2 | Beatrice Frankland | 60 | Head | — | Sweden |
| 3 | Magnus Theland | 70 | Head | — | Sweden |
| 4 | Emil Anderson | 56 | Head | Farmer | Sweden |
| 5 | Esther Anderson | 49 | Wife | — | Minnesota |
| 6 | Sterling Anderson | 19 | Son | — | Washington |
| 7 | Evelyn J Anderson | 16 | Daughter | — | Washington |
| 8 | Herbert E Anderson | 11 | Son | — | Washington |
| 9 | Anne M Anderson | 83 | Mother | — | Sweden |
| 10 | Carrie Anderson | 68 | Head | Farmer | Sweden |
| 11 | Philip Anderson | 31 | Son | Farm Work | Washington |
| 12 | Mildred Anderson THIS PERSON | 30 | Daughter | Housework | Washington |
| 13 | Andrew Larson | 70 | Head | Farmer | Sweden |
| 14 | Sophie Larson | 65 | Wife | — | Michigan |
| 15 | Harry Willis | 31 | Head | Farmer | Washington |
| 16 | Mary A Willis | 24 | Wife | — | Washington |
| 17 | John Willis | 77 | Father | Farm Work | Netherlands |
| 18 | Raymond G Willis | 19 | Brother | Farm Work | Washington |
| 19 | Harry Fykstra | 29 | Head | Common Labor | Oklahoma |
| 20 | Jacoba Fykstra | 29 | Wife | — | Indiana |
| 21 | Allene E Fykstra | 4 | Daughter | — | Montana |
| 22 | Sarah J Fykstra | 2 | Daughter | — | Montana |
| 23 | Edith D Fykstra | 1 | Daughter | — | Washington |
| 24 | Valentine R Burtis | 38 | Head | — | Washington |
| 25 | Alice E Burtis | 33 | Wife | — | Washington |
| 26 | Donna P Burtis | 11 | Daughter | — | Washington |
| 27 | Joseph Chester | 73 | Friend | — | Canada-Eng |
| 28 | Louis Plum | 46 | Head | — | Washington |
| 29 | Annie Plum | 44 | Wife | — | Norway |
| 30 | Louis Plum | 4 | Son | — | Alaska |
| 31 | Betty Ann Plum | 3 | Daughter | — | Alaska |
| 32 | Kathleen Plum | 0 | Son | — | Washington |
| 33 | Albert L Thomas | 49 | Head | — | Wisconsin |
| 34 | Ida E Thomas | 57 | Wife | — | S. Dakota |
| 35 | Carl A Gregerson | 56 | Head | — | Sweden |
| 36 | Anna Gregerson | 52 | Wife | — | Minnesota |
| 37 | Frank W Gregerson | 24 | Son | — | Montana |
| 38 | Helen C Gregerson | 22 | Daughter | — | Montana |
| 39 | Alfred G Gregerson | 21 | Son | — | Montana |
| 40 | Genette A Gregerson | 13 | Daughter | — | Montana |
Related Census Records
Pedigree Summary
Mildred + 1 sibling
Gen 1 · 4 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)