JW
John Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this John Williams across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Frank & Anna — first a head (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Williams |
| Given Name | John G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Watchmaker |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Watchmaker |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1907 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Betsy Williams | Daughter | — | 3 | ~1937 |
| Jacqueline Williams | Daughter | — | 8 | ~1932 |
| John Williams | Head | — | 33 | ~1907 |
| Irene Williams | Spouse | — | 30 | ~1910 |
Census Appearances
1920
King, Washington
Son, age 12
King, Washington · implied b. ~1908 — 19 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 22
King, Washington · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Minnesota |
| Occupation | Taxi |
| Industry | Driver |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 33
King-County, Washington · implied b. ~1907 — 4 household members
| Surname | Williams |
| Given Name | John G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Watchmaker |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 40 |
| 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 John Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Williams (~0.92 confidence) and mother Anna Williams (~0.92 confidence) and mother Mazie Williams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Williams
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Anna Williams
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mazie Williams
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Williams
Head · 1940 · age 33 · b. ~1907 · 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
37 people indexed on this census page (nara:1940:m-t0627-04378-00049)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth L Roby | 30 | Wife | Salesman | Washington |
| 42 | Joan Roby | 5 | Daughter | — | Washington |
| 43 | Robert J Niccoli | 25 | Head | Salesman | Washington |
| 44 | Martha Niccoli | 23 | Wife | — | California |
| 45 | Robert A Niccoli | 1 | Son | 0 | Washington |
| 46 | Frank L Petschl | 28 | Head | Meat Cutter | Minnesota |
| 47 | Mary S Petschl | 27 | Wife | — | Washington |
| 48 | Mary Jo Petschl | 2 | Daughter | 0 | Washington |
| 49 | Dwight Winard | 23 | Head | Purch. Agent | Washington |
| 50 | Katherine Winard | 22 | Wife | — | Washington |
| 51 | Richard Nissman | 22 | Head | Checker | Washington |
| 52 | Margaret Nissman | 21 | Wife | — | Washington |
| 56 | Fred Laidlaw | 36 | Head | Maintenance | Canada-Eng |
| 57 | Vilma Laidlaw | 32 | Wife | — | Oklahoma |
| 58 | Dorothy E Laidlaw | 6 | Daughter | — | Washington |
| 59 | Arthur Uogberg|Vogberg | 26 | Head | Salesman | Washington |
| 60 | Irene Uogberg|Vogberg | 26 | Wife | — | Wisconsin |
| 61 | Sandra L Uogberg|Vogberg | 1 | Daughter | 0 | Washington |
| 62 | Carl Schwenden | 30 | Head | District Manager | Minnesota |
| 63 | Betty Schwenden | 24 | Wife | — | Washington |
| 64 | Phillip Schwenden | 6 | Son | — | Washington |
| 65 | Carlton Schwenden | 2 | Son | — | Washington |
| 66 | John G Williams THIS PERSON | 33 | Head | Watchmaker | Washington |
| 67 | Irene M Williams | 30 | Wife | — | Washington |
| 68 | Jacqueline Williams | 8 | Daughter | — | Washington |
| 69 | Betsy Jo Williams | 3 | Daughter | — | Washington |
| 70 | Nellie Hill | 65 | Head | — | Minnesota |
| 71 | Margaret Hill | 34 | Daughter | Stenographer | Alaska |
| 72 | Adelyne Hill | 31 | Daughter | Stenographer | Alaska |
| 73 | Fred Barcus | 31 | Head | Patrolman | Iowa |
| 74 | Ruth M Barcus | 31 | Wife | Beautician | N. Dakota |
| 75 | William H Barcus | 7 | Son | — | California |
| 76 | Archer Friese | 53 | Head | — | Wisconsin |
| 77 | Lois Friese | 54 | Wife | — | Washington |
| 78 | Noah S Beckman | 70 | Head | — | Pennsylvania |
| 79 | Orson L Hifel | 70 | Head | — | Illinois |
| 80 | Bertha Hifel | 66 | Wife | — | Norway |
Pedigree Summary
John
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)