JC
John Crawford — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grays-Harbor-County, Washington
Our Model Tree links this John Crawford across the 1920, 1930 and 1940 US Censuses in Grays-Harbor-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 4-person household.
Age 56
b. ~1884
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grays-Harbor-County, Washington |
| Surname | Crawford |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Cosmopolis Town |
| 1935 Residence (County) | Grays Harbor |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Carpenter Contractor |
| Industry | Log |
| Class of Worker | OA |
| Income (1939) | 520 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Carpenter Contractor |
| Township / Ward | Cosmopolis Town |
| Est. Birth Year | ~1884 |
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 |
|---|---|---|---|---|
| John Crawford | Head | — | 56 | ~1884 |
| Harry Crawford | Son | — | 15 | ~1925 |
| Hubert Crawford | Son | — | 14 | ~1926 |
| Leah Crawford | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Grays Harbor, …
Head, age 34
Grays Harbor, Washington · implied b. ~1886
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Crawford |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1906 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | England |
| Year of Naturalization | 1912 |
| Birthplace (normalized) | england |
1930
Grays Harbor, …
Head, age 45
Grays Harbor, Washington · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 37 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Grays-Harbor-County, Washington
Head, age 56
Grays-Harbor-County, Washington · implied b. ~1884 — 4 household members
| Surname | Crawford |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Cosmopolis Town |
| 1935 Residence (County) | Grays Harbor |
| Naturalization Status | Naturalized |
| Occupation | Carpenter Contractor |
| Industry | Log |
| Class of Worker | OA |
| Income (1939) | 520 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Crawford across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Crawford
Head · 1940 · age 56 · b. ~1884 · 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 — Grays-Harbor-County, Washington
Open full size
1940 US Federal Census — Grays-Harbor-County, Washington
Page Contents
16 people indexed on this census page (nara:1940:m-t0627-04340-00736)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Burt Medford | 44 | Head | Mgr. Operator | Denmark |
| 42 | Edris Medford | 34 | Wife | — | Washington |
| 43 | William H. Knannlein | 54 | Head | Steam-Fitter | Indiana |
| 44 | Minnie Knannlein | 46 | Wife | — | Michigan |
| 45 | William L. Knannlein | 23 | Son | Machinist Helper | Indiana |
| 46 | Dorothy Delia Knannlein | 20 | Daughter | Clerk | Indiana |
| 47 | Martha Lucille Knannlein | 17 | Daughter | — | Washington |
| 48 | John Crawford THIS PERSON | 56 | Head | Carpenter Contractor | England |
| 49 | Leah Crawford | 55 | Wife | — | England |
| 50 | Harry Crawford | 15 | Son | — | Washington |
| 51 | Hubert John Crawford | 14 | Son | — | Washington |
| 52 | Marie Distler | 48 | Head | Partner | Denmark |
| 53 | Richard Knannlein | 27 | Head | Laborer | Indiana |
| 54 | Lorraine Knannlein | 26 | Wife | — | California |
| 55 | James Knannlein | 3 | Son | — | Washington |
| 56 | Wanda Knannlein | 2 | Daughter | — | 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)