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John Mckay — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lincoln-County, Washington
Our Model Tree links this John Mckay across the 1930 and 1940 US Censuses in Lincoln-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1909), then head of a 7-person household.
Age 31
b. ~1909
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lincoln-County, Washington |
| Surname | McKay |
| Given Name | John G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lincoln |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Washington |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Farmer |
| Township / Ward | Wilson Creek Precinct |
| Est. Birth Year | ~1909 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Katherine Mckay | Spouse | — | 26 | ~1914 |
| Edward Mckay | Son | — | 2 | ~1938 |
| Rolla Dejarnatt | Other | — | 50 | ~1890 |
| Margaret Mckay | Daughter | — | 1 | ~1939 |
| Patrick Mckay | Son | — | 3 | ~1937 |
| John Mckay | Head | — | 31 | ~1909 |
| William Mckay | Son | — | 7 | ~1933 |
Census Appearances
1930
Lincoln, Washington
Other, age 21
Lincoln, Washington · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKay |
| Given Name | John |
| Relationship to Head | Manager |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Indiana |
| Occupation | Manager |
| Industry | wheat ranch |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 25 |
| Home Value / Rent | R |
| Veteran | R |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Lincoln-County, Washington
Head, age 31
Lincoln-County, Washington · implied b. ~1909 — 7 household members
| Surname | McKay |
| Given Name | John G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lincoln |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Washington |
| 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 Mckay across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mckay
Head · 1940 · age 31 · b. ~1909 · Washington
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lincoln-County, Washington
Open full size
1940 US Federal Census — Lincoln-County, Washington
Page Contents
11 people indexed on this census page (nara:1940:m-t0627-04352-00423)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Charanatsky | 31 | Laborer | Laborer | North Dakota |
| 2 | Pete H. Josephson | 31 | Laborer | Laborer | Minnesota |
| 3 | Jessie Z. Rockfield | 55 | Laborer | Housekeeper | Minnesota |
| 4 | Harry W. Taylor | 53 | Laborer | Laborer | Nebraska |
| 5 | John G. Mckay THIS PERSON | 31 | Head | Farmer | Washington |
| 6 | Katherine Mckay | 26 | Wife | — | Washington |
| 7 | William J. Mckay | 7 | Son | — | Washington |
| 8 | Patrick J. Mckay | 3 | Son | — | Washington |
| 9 | Edward A. Mckay | 2 | Son | — | Washington |
| 10 | Margaret Ann Mckay | 1 | Daughter | — | Washington |
| 11 | Rolla Dejarnatt | 50 | Hired man | Laborer | Missouri |
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)