JD
John Day — 1940 US Census Record
Model Tree available1940 United States Federal Census · Spokane-County, Washington
Our Model Tree links this John Day across the 1920, 1930 and 1940 US Censuses in Spokane-County, Washington (XGBoost, ~Confirmed), with identified parents J & Lillie — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Spokane-County, Washington |
| Surname | Day |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Newman Twp |
| 1935 Residence (County) | Spokane |
| Additional Details | |
| Occupation | Laborer |
| Industry | Electrician apprentice |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 988 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Laborer |
| Township / Ward | Newman Twp |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| J Day | Head | — | 82 | ~1858 |
| Regina Lafort | Other | — | 43 | ~1897 |
| John Day | Son | — | 25 | ~1915 |
| Willard Day | Son | — | 22 | ~1918 |
Census Appearances
1920
Spokane, Washington
Son, age 5
Spokane, Washington · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Spokane, Washington
Son, age 15
Spokane, Washington · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Student |
| Industry | High School |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Spokane-County, Washington
Son, age 25
Spokane-County, Washington · implied b. ~1915 — 4 household members
| Surname | Day |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Newman Twp |
| 1935 Residence (County) | Spokane |
| Occupation | Laborer |
| Industry | Electrician apprentice |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 988 |
| Highest Grade | Hs 4 |
| 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 Day across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father J Day (~0.92 confidence) and mother Lillie Day (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
J Day
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Lillie Day
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Day
Son · 1940 · age 25 · b. ~1915 · Washington
★ You are viewing this record
Sibling
Willard Day
Sibling · 1940 · age 22
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 — Spokane-County, Washington
Open full size
1940 US Federal Census — Spokane-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04363-00112)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Orrin H. Cole | 51 | Head | Truck Driver | Michigan |
| 2 | Elizabeth N. Cole | 53 | Wife | Postmaster | New York |
| 3 | Neatha Cole | 6 | Daughter | — | Washington |
| 4 | Russell O. Buckhout | 51 | Head | Groceryman | Kansas |
| 5 | William Buckhout | 46 | Brother | Deliveryman | Kansas |
| 6 | Rena Buckhout | 78 | Mother | — | Indiana |
| 7 | Paul V. Just | 32 | Head | Farmer | North Dakota |
| 8 | Florence M. Just | 28 | Wife | — | Washington |
| 9 | Joan R. Just | 5 | Daughter | — | Washington |
| 10 | Margery Just | 2 | Daughter | — | Washington |
| 11 | Merry Louise Just | 2 | Daughter | — | Washington |
| 12 | Anna L. Fox | 55 | Mother-in-law | — | Minnesota |
| 13 | Joseph S. Clark | 29 | Head | Tail Sawyer | Washington |
| 14 | Thelma M. Clark | 26 | Wife | — | Idaho |
| 15 | Madine L. Clark | 7 | Daughter | — | Washington |
| 16 | Edward Hurd | 46 | Head | Laborer | Minnesota |
| 17 | Minnie Hurd | 44 | Wife | Farm Laborer | Minnesota |
| 18 | Carrie May Langloss | 54 | Head | — | Indiana |
| 19 | William M. Langloss | 12 | Son | — | Washington |
| 20 | Ben Briggs | 65 | Lodger | Trimmerman | Kentucky |
| 21 | Raymond T. Sheppard | 36 | Head | Laborer | Oregon |
| 22 | Eva G. Sheppard | 36 | Wife | — | North Dakota |
| 23 | Edith M. Sheppard | 10 | Daughter | — | Washington |
| 24 | Leslie C. Sheppard | 8 | Son | — | Washington |
| 25 | Andrew R. Luke | 25 | Brother-in-law | — | North Dakota |
| 26 | George H. Wendler | 37 | Head | — | Washington |
| 27 | Nella O. Wendler | 34 | Wife | — | Washington |
| 28 | Douglas P. Wendler | 4 | Son | — | Washington |
| 29 | Mary Lourene Wendler | 1 | Daughter | — | Washington |
| 30 | Herbert D. Pence | 31 | Head | Farmer | Washington |
| 31 | Anna E. Pence | 33 | Wife | — | Washington |
| 32 | Henning Swenson | 57 | Hired hand | Farm Laborer | Minnesota |
| 33 | William Comer | 20 | Hired hand | Farm Laborer | South Dakota |
| 34 | David N. Wendler | 30 | Head | Route Man | Washington |
| 35 | Maybell A. Wendler | 28 | Wife | — | Washington |
| 36 | J. W. Day | 82 | Head | — | Indiana |
| 37 | John Day THIS PERSON | 25 | Son | Laborer | Washington |
| 38 | Willard Day | 22 | Son | Laborer | Washington |
| 39 | Regina Lafort | 43 | Servant | Housekeeper | Minnesota |
| 40 | Walter Conserins | 71 | Head | Carpenter | Illinois |
Related Census Records
Pedigree Summary
John + 1 sibling
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)