AA
Andrew Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Andrew Anderson across the 1910, 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Seth & Bernt — first a son (b.~1909), then head of a 2-person household.
Age 31
b. ~1909
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Anderson |
| Given Name | Andrew C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Electrical Inspector |
| Industry | Electrical Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Electrical Inspector |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1909 |
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 Andrew | Age | Birth yr |
|---|---|---|---|---|
| Ruth Anderson | Head | — | 54 | ~1886 |
| Andrew Anderson | Son | — | 31 | ~1909 |
Census Appearances
1910
King, Washington
Son, age
King, Washington · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
King, Washington
Son, age 11
King, Washington · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Norway |
| Mother's Birthplace | S. Dakota |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 21
King, Washington · implied b. ~1909 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Norway |
| Mother's Birthplace | South Dakota |
| Occupation | Examiner |
| Industry | Electrical |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 31
King-County, Washington · implied b. ~1909 — 2 household members
| Surname | Anderson |
| Given Name | Andrew C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Electrical Inspector |
| Industry | Electrical Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 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 Andrew Anderson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Seth Anderson (~0.92 confidence) and father Bernt Anderson (~0.92 confidence) and father Jens Anderson (~0.92 confidence) and mother Ruth Anderson (~0.92 confidence) and mother Ruth Anderson (~0.92 confidence) and mother Magnhild Anderson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Seth Anderson
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Bernt Anderson
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Jens Anderson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Ruth Anderson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Ruth Anderson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Magnhild Anderson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Andrew Anderson
Son · 1940 · age 31 · b. ~1909 · 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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04381-00558)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sarah M. Bogenholm | 23 | Daughter | Waitress | Minnesota |
| 42 | Doris L. Bogenholm | 22 | Daughter | Beautician | Minnesota |
| 43 | James L. Herrington | 56 | Head | Pile Driver | Ireland |
| 44 | Alice J. Herrington | 48 | Wife | Chief Operator | California |
| 45 | M. Delores Herrington | 12 | Daughter | — | Washington |
| 47 | Ruth Anderson | 54 | Head | — | South Dakota |
| 48 | Andrew C. Anderson THIS PERSON | 31 | Son | Electrical Inspector | Washington |
| 49 | John Sheehan | 46 | Head | Bell Man | England |
| 50 | Martha R. Sheehan | 44 | Wife | — | Texas |
| 51 | Harry E. Baker | 32 | Head | Salesman | Montana |
| 52 | Leola V. Baker | 29 | Wife | Sales Clerk | Washington |
| 53 | Coleen B. Baker | 0 | Daughter | — | Washington |
| 54 | Samuel P. Oien | 60 | Head | Tile Layer | Norway |
| 55 | Carrie Oien | 60 | Wife | — | South Dakota |
| 56 | Pearl Oien | 24 | Daughter | — | Washington |
| 57 | George M. Hurst | 37 | Head | Helper Worker | Oregon |
| 58 | Ellen D. Hurst | 33 | Wife | Truck Driver | Washington |
| 59 | C. Myrlene Hurst | 5 | Daughter | — | Washington |
| 60 | George M. Hurst | 3 | Son | — | Washington |
| 61 | Florence Rhea | 55 | Head | Proprietor | Ohio |
| 62 | Marion Idleman | 62 | Sister | Proprietor | Ohio |
| 63 | Charles L. Baker | 32 | Head | Salesman | Montana |
| 64 | Ailleen S. Baker | 25 | Wife | — | Washington |
| 65 | Robert E. Baker | 9 | Son | — | Washington |
| 66 | John H. La Frill | 74 | Head | Butcher | New York |
| 67 | Anne E. La Frill | 69 | Wife | — | Denmark |
| 68 | Robert Overby | 47 | Head | Switch Tender | England |
| 69 | Rose Overby | 44 | Wife | — | Pennsylvania |
| 70 | Arthur C. Amundsen | 40 | Head | Accountant | New York |
| 71 | Adrie E. Amundsen | 29 | Wife | — | Washington |
| 72 | Frank A. Yake | 36 | Head | Airport Manager | Colorado |
| 74 | William F. Kaepfinger | 42 | Head | Chef | Michigan |
| 75 | Julia A. Kaepfinger | 35 | Wife | Shaker | Wisconsin |
| 76 | Marie B. Kaepfinger | 11 | Daughter | — | Washington |
| 77 | Doris M. Kaepfinger | 8 | Daughter | — | California |
| 78 | Thomas A. Lush | 73 | Head | — | England |
| 79 | Edith Lush | 65 | Wife | — | Minnesota |
| 80 | George L. Reyne | 40 | Head | Truck Driver | Argentina |
Related Census Records
Pedigree Summary
Andrew
Gen 1 · 6 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)