JC
James Casey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Snohomish-County, Washington
Our Model Tree links this James Casey across the 1920, 1930 and 1940 US Censuses in Snohomish-County, Washington (XGBoost, ~Confirmed), with identified parents Cornelius & Olive — first a head (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Male
Head
Born: Oklahoma
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Snohomish-County, Washington |
| Surname | Casey |
| Given Name | James E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Seattle |
| Additional Details | |
| Occupation | Laborer |
| Industry | Shingle Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | 8 |
| 1935 Residence | Washington |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Laborer |
| Township / Ward | Seattle Heights |
| Est. Birth Year | ~1901 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Casey | Head | — | 39 | ~1901 |
| Phillip Casey | Son | — | 8 | ~1932 |
| Phyllis Casey | Spouse | — | 36 | ~1904 |
Census Appearances
1920
King, Washington
Son, age 18
King, Washington · implied b. ~1902 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | James E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Nebraska |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
King, Washington
Head, age 29
King, Washington · implied b. ~1901 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| Age at First Marriage | 24 |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Nebraska |
| Occupation | Truck Driver |
| Industry | Transfer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 22.50 |
| Radio Set | R |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Snohomish-County, Washington
Head, age 39
Snohomish-County, Washington · implied b. ~1901 — 3 household members
| Surname | Casey |
| Given Name | James E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Seattle |
| Occupation | Laborer |
| Industry | Shingle Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | 8 |
| 1935 Residence | Washington |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Casey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Cornelius Casey (~0.92 confidence) and mother Olive Casey (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Cornelius Casey
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Olive Casey
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Casey
Head · 1940 · age 39 · b. ~1901 · 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 — Snohomish-County, Washington
Open full size
1940 US Federal Census — Snohomish-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04361-00189)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Betty Kate | 18 | Daughter | — | Washington |
| 2 | Margaret Kate | 16 | Daughter | — | Washington |
| 3 | Fern Kate | 14 | Daughter | — | Washington |
| 4 | Fred Kate | 12 | Son | — | Washington |
| 5 | Myrtie Date | 53 | Head | — | Minnesota |
| 6 | Inex Date | 47 | Sister | — | Washington |
| 7 | George Date | 43 | Brother | Pile Driver | Washington |
| 8 | John J. Martinson | 49 | Head | Carpenter | Washington |
| 9 | Ladonna Martinson | 36 | Wife | — | Washington |
| 10 | John Jr. Martinson | 16 | Son | — | Washington |
| 11 | Joan Martinson | 15 | Daughter | — | Washington |
| 12 | David Martinson | 10 | Son | — | Washington |
| 13 | Josephine Morton | 68 | Head | — | Minnesota |
| 14 | Jacob Reed | 83 | Head | — | Indiana |
| 15 | Mahala Reed | 82 | Wife | — | Indiana |
| 16 | Everett Reed | 57 | Son | Garage | Indiana |
| 17 | James E. Casey THIS PERSON | 39 | Head | Laborer | Oklahoma |
| 18 | Phyllis Casey | 36 | Wife | — | Canada English |
| 19 | Phillip Casey | 8 | Son | — | Washington |
| 20 | Harry Anderson | 67 | Head | — | Sweden |
| 21 | Clara Anderson | 52 | Wife | — | Minnesota |
| 22 | Lilly Anderson | 18 | Daughter | — | Washington |
| 23 | Floyd Anderson | 15 | Son | — | Washington |
| 24 | Joy Anderson | 11 | Daughter | — | Washington |
| 25 | Frederick Locke | 49 | Head | Seaman | England |
| 26 | Marion Locke | 39 | Wife | — | England |
| 27 | Marian B. Locke | 11 | Daughter | — | Washington |
| 28 | Sidney Locke | 9 | Son | — | Washington |
| 29 | John Locke | 7 | Son | — | Washington |
| 30 | Annette Locke | 2 | Daughter | — | Washington |
| 31 | Carl Rendler | 60 | Head | Watchman | Wisconsin |
| 32 | Stephanie Rendler | 58 | Wife | — | Minnesota |
| 33 | Josephine Rendler | 28 | Daughter | Stenographer | Minnesota |
| 34 | Herman Rendler | 26 | Son | — | Minnesota |
| 35 | Norbert Rendler | 24 | Son | Apprentice Machinist | Minnesota |
| 36 | Victor Rendler | 22 | Son | Draftsman | Minnesota |
| 37 | Sylvia Rendler | 20 | Daughter | — | Minnesota |
| 38 | George H. Scott | 48 | Head | — | Minnesota |
| 39 | Bess H. Scott | 55 | Sister | Teacher | Minnesota |
| 40 | M. Jess Scott | 52 | Sister | — | Minnesota |
Pedigree Summary
James
Gen 1 · 2 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)