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James Stevens — 1940 US Census Record
Linked across censuses1940 United States Federal Census · King-County, Washington
Our Model Tree links this James Stevens across the 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a son (b.~1911), then head of a 9-person household.
Age 29
b. ~1911
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Stevens |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Ronald Precinct |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Helper |
| Industry | Gen Garage |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 480 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Helper |
| Township / Ward | Ronald Precinct |
| Est. Birth Year | ~1911 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Grace Mortinson | Daughter | — | 20 | ~1920 |
| Glenda Mortinson | Daughter | — | 12 | ~1928 |
| Peggy Stevens | Daughter | — | 23 | ~1917 |
| Blanche Stevens | Daughter | — | 22 | ~1918 |
| Maude Stevens | Daughter | — | 26 | ~1914 |
| Charles Stevens | Head | — | 55 | ~1885 |
| Joe Stevens | Son | — | 26 | ~1914 |
| James Stevens | Son | — | 29 | ~1911 |
| Eura Stevens | Spouse | — | 53 | ~1887 |
Census Appearances
1930
King, Washington
Son, age 19
King, Washington · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stevens |
| Given Name | James O |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Pennsylvania |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 29
King-County, Washington · implied b. ~1911 — 9 household members
| Surname | Stevens |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Ronald Precinct |
| 1935 Residence (County) | King |
| Occupation | Helper |
| Industry | Gen Garage |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 480 |
| Highest Grade | H 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 James Stevens across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Stevens
Son · 1940 · age 29 · b. ~1911 · Washington
★ You are viewing this record
Sibling
Glenda Mortinson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Mortinson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peggy Stevens
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanche Stevens
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maude Stevens
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Stevens
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
40 people indexed on this census page (nara:1940:m-t0627-04346-00248)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harold C Grant | 40 | Head | Logger Supt | Canada-Eng |
| 42 | Helen Grant | 35 | Wife | — | Canada-Eng |
| 43 | Rony Grant | 9 | Son | — | Washington |
| 44 | William T Peck | 69 | Head | Mechanic | Kentucky |
| 45 | Rhoda Peck | 49 | Wife | — | Illinois |
| 46 | Clayton Adamek | 17 | Step-son | — | Illinois |
| 47 | Axel Johansen | 62 | Head | Rancher | Denmark |
| 48 | Louise Johansen | 61 | Wife | — | Denmark |
| 49 | Hale Rutherford | 29 | Head | Steam Eng. | California |
| 50 | Louise Rutherford | 27 | Wife | — | Washington |
| 51 | David Rutherford | 3 | Son | — | California |
| 52 | Jesse Cassel | 67 | Head | Principal | Pennsylvania |
| 53 | Sadie Cassel | 66 | Wife | — | Pennsylvania |
| 54 | Meta Rundell | 67 | Head | — | Michigan |
| 55 | Charles S King | 65 | Head | — | Nebraska |
| 56 | Campbell King | 58 | Wife | — | Tennessee |
| 57 | Margaret King | 24 | Daughter | General Work | Washington |
| 58 | Dorothy May King | 20 | Daughter | Contometer Operator | Washington |
| 59 | Charlie W King | 19 | Son | — | Washington |
| 60 | Minta L King | 63 | Sister | — | Nebraska |
| 61 | Flora Kanaly | 79 | Sister | — | Ohio |
| 62 | Sydney Jefferts | 37 | Head | Driver | Penn |
| 63 | Lois Jefferts | 33 | Wife | — | Washington |
| 64 | Ruth Jefferts | 9 | Son | — | Washington |
| 65 | David Jefferts | 7 | Son | — | Washington |
| 66 | Kirk Jefferts | 3 | Son | — | Washington |
| 67 | John Victor Martin | 50 | Head | Gardener | Sweden |
| 68 | Felicia M Martin | 47 | Wife | — | Sweden |
| 69 | John Jr Martin | 19 | Son | Mechanic | California |
| 70 | Charles Stevens | 55 | Head | Logger | Kansas |
| 71 | Eura Stevens | 53 | Wife | — | Pennsylvania |
| 72 | James Stevens THIS PERSON | 29 | Son | Helper | Washington |
| 73 | Maude F Stevens | 26 | Daughter | Stenographer | Washington |
| 74 | Joe Stevens | 26 | Son | — | Washington |
| 75 | Peggy Stevens | 23 | Daughter | — | Washington |
| 76 | Blanche Stevens | 22 | Daughter | — | Washington |
| 77 | Grace Mortinson | 20 | Daughter | — | Washington |
| 78 | Glenda Mortinson | 12 | Daughter | — | Washington |
| 79 | Harry Cowan | 37 | Head | — | Washington |
| 80 | Wilma Cowan | 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)