JW
John Wall — 1940 US Census Record
Linked across censuses1940 United States Federal Census · King-County, Washington
Our Model Tree links this John Wall across the 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Wall |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| Additional Details | |
| Occupation | Salesman |
| Industry | Wholesale Oil Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 278 |
| Highest Grade | No 8 |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Salesman |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1916 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Joseph Wall | Son | — | 22 | ~1918 |
| John Wall | Head | — | 65 | ~1875 |
| William Wall | Son | — | 11 | ~1929 |
| Kathleen Wall | Spouse | — | 46 | ~1894 |
| Mary Wall | Daughter | — | 26 | ~1914 |
| John Wall | Son | — | 24 | ~1916 |
Census Appearances
1930
King, Washington
Son, age 15
King, Washington · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallo |
| Given Name | John R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 24
King-County, Washington · implied b. ~1916 — 6 household members
| Surname | Wall |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| Occupation | Salesman |
| Industry | Wholesale Oil Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 278 |
| Highest Grade | No 8 |
| 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 Wall across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Wall
Son · 1940 · age 24 · b. ~1916 · Washington
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Sibling
Joseph Wall
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Wall
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Wall
Sibling · 1940 · age 26
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
39 people indexed on this census page (nara:1940:m-t0627-04375-00011)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Flora Marten | 39 | Wife | — | Minnesota |
| 42 | Arthur Marten | 10 | Son | — | Washington |
| 43 | Bruce Marten | 5 | Son | — | Washington |
| 44 | Wallace Marten | 1 | Son | — | Washington |
| 45 | William Snodgrass | 53 | Head | Clerical | Pennsylvania |
| 46 | Eleanora Snodgrass | 38 | Wife | — | Sweden |
| 47 | Marilyn Snodgrass | 8 | Daughter | — | Washington |
| 48 | Lorna Snodgrass | 7 | Daughter | — | Washington |
| 49 | William Snodgrass | 1 | Son | — | Washington |
| 50 | Thomas Mcewan | 47 | Head | Paint Contractor | Ohio |
| 51 | Louise Mcewan | 54 | Wife | — | Illinois |
| 52 | John Wall | 65 | Head | — | Ireland |
| 53 | Kathleen Wall | 46 | Wife | — | Ireland |
| 54 | Mary Wall | 26 | Daughter | Hospital Dietician | Washington |
| 55 | John Wall THIS PERSON | 24 | Son | Salesman | Washington |
| 56 | Joseph Wall | 22 | Son | — | Washington |
| 57 | William Wall | 11 | Son | — | Washington |
| 59 | Minnie Plummer | 55 | Head | — | Iowa |
| 60 | Charles Sterling | 40 | Head | Barber | Washington |
| 61 | Margret Sterling | 33 | Wife | — | Washington |
| 62 | Lorraine Sterling | 11 | Daughter | — | Washington |
| 63 | Ronald Sterling | 3 | Son | — | Washington |
| 64 | William Johannessen | 77 | Head | House Carpenter | Norway |
| 65 | Raymond Johnson | 62 | Head | House Carpenter | Colorado |
| 66 | Eleanor S. Johnson | 48 | Wife | — | Ohio |
| 67 | Mary Simkins | 49 | Head | — | Pennsylvania |
| 68 | Bessie Simkins | 24 | Daughter | — | Ohio |
| 69 | Webbley Veital | 41 | Head | Mechanic | Ohio |
| 70 | Josephine Veital | 34 | Wife | Stenographer | Oregon |
| 71 | Rose Cumberland | 54 | Mother-in-law | — | Nebraska |
| 72 | E. Neil Nelson | 38 | Head | Manager | Idaho |
| 73 | Zelma Nelson | 37 | Wife | — | Idaho |
| 74 | Nanette Nelson | 6 | Daughter | — | California |
| 75 | Peggy Ann Nelson | 3 | Daughter | — | California |
| 76 | Edwin Swift | 43 | Head | — | Missouri |
| 77 | Jean Swift | 46 | Wife | — | Minnesota |
| 78 | Milla Casseday | 55 | Sister-in-law | — | Minnesota |
| 79 | Charles Corham | 27 | Head | Mechanic | Washington |
| 80 | Clarice Corham | 33 | Wife | — | Washington |
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)