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John Douglas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lincoln-County, Washington
Our Model Tree links this John Douglas across the 1910, 1920, 1930 and 1940 US Censuses in Lincoln-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 5-person household.
Age 63
b. ~1877
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lincoln-County, Washington |
| Surname | Douglas |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Grand Coulee Precinct |
| 1935 Residence (County) | Lincoln |
| Additional Details | |
| Occupation | retired Farmer |
| Industry | Farm |
| Class of Worker | PW |
| Income (1939) | 1500 |
| Highest Grade | H 8 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Retired Farmer |
| Township / Ward | Grand Coulee Precinct |
| Est. Birth Year | ~1877 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Douglas | Head | — | 63 | ~1877 |
| Paul Douglas | Son | — | 21 | ~1919 |
| John Douglas | Son | — | 29 | ~1911 |
| Elmer Douglas | Son | — | 24 | ~1916 |
| Anna Douglas | Spouse | — | 55 | ~1885 |
Census Appearances
1910
Lincoln, Washington
Head, age 33
Lincoln, Washington · implied b. ~1877 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | California |
| Years Married | 1 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Lincoln, Washington
Head, age 42
Lincoln, Washington · implied b. ~1878 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | wheat |
| Class of Worker | oa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Lincoln, Washington
Head, age 53
Lincoln, Washington · implied b. ~1877 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 32 |
| Father's Birthplace | Ireland N. |
| Mother's Birthplace | Ireland N. |
| Occupation | Farmer |
| Industry | Wheat |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Lincoln-County, Washington
Head, age 63
Lincoln-County, Washington · implied b. ~1877 — 5 household members
| Surname | Douglas |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Grand Coulee Precinct |
| 1935 Residence (County) | Lincoln |
| Occupation | retired Farmer |
| Industry | Farm |
| Class of Worker | PW |
| Income (1939) | 1500 |
| Highest Grade | H 8 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Douglas across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Douglas
Head · 1940 · age 63 · b. ~1877 · 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
40 people indexed on this census page (nara:1940:m-t0627-04352-00203)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marian Hansen | 20 | son | Student | Washington |
| 42 | Mary Louise Hansen | 10 | daughter | — | Washington |
| 43 | Ellen Deakin | 24 | lodger | Laborer | Illinois |
| 44 | Leo Seammon | 35 | head | Laborer | Iowa |
| 45 | Ella Seammon | 25 | wife | — | N. Dakota |
| 46 | Gerald Seammon | 2 | son | — | Washington |
| 47 | Lois Seammon | 1 | daughter | — | Washington |
| 48 | Helen Orien | 19 | sister-in-law | — | N. Dakota |
| 49 | Archie Harris | 42 | head | Farmer | Washington |
| 50 | Ella Harris | 43 | wife | — | Nebraska |
| 51 | Roland Harris | 17 | son | — | Washington |
| 52 | John Douglas THIS PERSON | 63 | head | Retired Farmer | California |
| 53 | Anna Douglas | 55 | wife | — | Illinois |
| 54 | John Douglas | 29 | son | Farmer | Washington |
| 55 | Elmer Douglas | 24 | son | Farmer | Washington |
| 56 | Paul Douglas | 21 | son | Farmer | Washington |
| 57 | Cora E. Elliott | 73 | head | Farmer | Missouri |
| 58 | Zetta Patchin | 64 | lodger | Housekeeping | Missouri |
| 59 | Orville Bates | 39 | lodger | Farm Laborer | Arkansas |
| 60 | Milton J. Mckay | 49 | head | Farmer | Washington |
| 61 | Hilda Mckay | 50 | wife | — | Wisconsin |
| 62 | Robert Mckay | 22 | son | — | Washington |
| 63 | Doris Mckay | 20 | daughter | — | Washington |
| 64 | David Mckay | 18 | son | — | Washington |
| 65 | Philip Mckay | 16 | son | — | Washington |
| 66 | William Mckay | 11 | son | — | Washington |
| 67 | Lawrence Harden | 53 | head | Farmer | Iowa |
| 68 | Beulah Harden | 46 | wife | — | Kansas |
| 69 | Paul Harden | 27 | son | Truck Driver | Washington |
| 70 | Ada Harden | 22 | daughter | House Work | Washington |
| 71 | Percy Harden | 19 | son | Farm Laborer | Washington |
| 72 | Gene Harden | 18 | son | Laborer | Washington |
| 73 | Betty Harden | 16 | daughter | — | Washington |
| 74 | Bondie Harden | 14 | daughter | — | Washington |
| 75 | William Elliott | 70 | head | Farmer | Indiana |
| 76 | Alta Elliott | 26 | daughter | — | Indiana |
| 77 | Marlin Long | 32 | lodger | Laborer | Iowa |
| 78 | J. T. Roscoe | 42 | head | Farmer | Wisconsin |
| 79 | Gladys Roscoe | 40 | wife | — | Iowa |
| 80 | Beulah Jean Roscoe | 7 | daughter | — | Washington |
Related Census Records
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)