AP
Arthur Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Arthur Peterson across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Arthur & Agnes — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Peterson |
| Given Name | Arthur O. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Pile Driver |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Pile Driver |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1917 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Arthur Peterson | Head | — | 51 | ~1889 |
| Richard Peterson | Son | — | 19 | ~1921 |
| Donald Peterson | Son | — | 9 | ~1931 |
| Arthur Peterson | Son | — | 23 | ~1917 |
| Harold Peterson | Son | — | 14 | ~1926 |
| Agnes Peterson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
King, Washington
Son, age 2
King, Washington · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Arthur D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | California |
| Mother's Birthplace | Michigan |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 13
King, Washington · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Arthur Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | California |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 23
King-County, Washington · implied b. ~1917 — 6 household members
| Surname | Peterson |
| Given Name | Arthur O. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Pile Driver |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Arthur Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Peterson (~0.92 confidence) and mother Agnes Peterson (~0.92 confidence) and mother Agnes Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Peterson
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Agnes Peterson
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Agnes Peterson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Peterson
Son · 1940 · age 23 · b. ~1917 · Washington
★ You are viewing this record
Sibling
Donald Peterson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Peterson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Peterson
Sibling · 1940 · age 19
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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04376-00689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carry Kyreacos | 60 | Wife | — | Greece |
| 42 | Nicky Kyreacos | 17 | Son | — | Washington |
| 43 | Gust Kyreacos | 25 | Son | Truck Driver | Canada-English |
| 44 | Mary Kyreacos | 20 | Daughter-in-law | — | Canada-English |
| 45 | Clyde W. Smith | 30 | Son-in-law | Truck Driver | Arkansas |
| 46 | Olga Smith | 23 | Daughter | Waitress | Washington |
| 47 | Perry Gerantis | 12 | Granddaughter | — | Washington |
| 48 | Fred V. Wagner | 43 | Head | Exporter Importer | Washington |
| 49 | Mayme F. Wagner | 39 | Wife | Bookkeeper | Canada-English |
| 50 | Rodney V. Wagner | 18 | Son | — | Washington |
| 51 | William M. Wagner | 63 | Head | — | Pennsylvania |
| 52 | Minnie H. Wagner | 62 | Wife | — | Ohio |
| 53 | Arthur O. Peterson | 51 | Head | Purchasing Agent | California |
| 54 | Agnes B. Peterson | 45 | Wife | — | Michigan |
| 55 | Arthur O. Jr. Peterson THIS PERSON | 23 | Son | Pile Driver | Washington |
| 56 | Richard E. Peterson | 19 | Son | — | Washington |
| 57 | Harold B. Peterson | 14 | Son | News Paper | Washington |
| 58 | Donald C. Peterson | 9 | Son | — | Washington |
| 59 | Neil E. Cordiner | 44 | Head | Plant Department | Washington |
| 60 | Geraldine M. Cordiner | 44 | Wife | — | Washington |
| 61 | Phyllis M. Cordiner | 16 | Daughter | — | Washington |
| 62 | Jean L. Cordiner | 13 | Daughter | — | Washington |
| 63 | William Biel | 66 | Head | — | Holland |
| 64 | Elizabeth F. Biel | 65 | Wife | — | Illinois |
| 65 | John N. Mcclune | 80 | Head | — | Ireland |
| 66 | Mary Fuller | 63 | Housekeeper | Housekeeper | Scotland |
| 67 | Leon L. Jones | 58 | Head | Teacher | Wisconsin |
| 68 | Florence M. Jones | 58 | Wife | — | Kansas |
| 69 | Earle S. Jones | 26 | Son | Registrar Office | Washington |
| 70 | Gordon P. Jones | 20 | Son | Sheet Metal | Washington |
| 71 | Dorothy J. Jones | 18 | Daughter | — | Washington |
| 72 | William A. Mills | 48 | Head | Mail Service | Montana |
| 73 | Bernice C. Mills | 48 | Wife | — | Nebraska |
| 74 | Robert B. Mills | 31 | Son | New Worker | Washington |
| 75 | Jack B. Mills | 19 | Son | Maintenance | Washington |
| 76 | Joanne F. Mills | 14 | Daughter | — | Washington |
| 77 | Donald F. Mills | 12 | Son | — | Washington |
| 78 | Peter Miller | 40 | Head | Chief Engineer | Alaska |
| 79 | Deeta P. Miller | 37 | Wife | — | Washington |
| 80 | Peter W. Miller | 5 | Son | — | Washington |
Pedigree Summary
Arthur + 3 siblings
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)