CP
Charles Pratt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Whatcom-County, Washington
Our Model Tree links this Charles Pratt across the 1930 and 1940 US Censuses in Whatcom-County, Washington (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Male
Son
Born: Canada English
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Whatcom-County, Washington |
| Surname | Pratt |
| Given Name | Charles J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Canada English |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Whatcom |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Washington |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
| Township / Ward | Ferndale Twp |
| Est. Birth Year | ~1923 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Pratt | Son | — | 17 | ~1923 |
| Sarah Pratt | Spouse | — | 52 | ~1888 |
| Lenora Pratt | Daughter | — | 14 | ~1926 |
| Mildred Pratt | Daughter | — | 22 | ~1918 |
| Leon Pratt | Head | — | 55 | ~1885 |
| Wallace Pratt | Son | — | 11 | ~1929 |
| Marvin Pratt | Son | — | 17 | ~1923 |
Census Appearances
1930
Whatcom, Washington
Son, age 6
Whatcom, Washington · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pratt |
| Given Name | Charles J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Canada English |
| Father's Birthplace | Idaho |
| Mother's Birthplace | Colorado |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
1940
Whatcom-County, Washington
Son, age 17
Whatcom-County, Washington · implied b. ~1923 — 7 household members
| Surname | Pratt |
| Given Name | Charles J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Canada English |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Whatcom |
| Naturalization Status | Naturalized |
| Highest Grade | Hs 1 |
| 1935 Residence | Washington |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
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 Charles Pratt across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Pratt
Son · 1940 · age 17 · b. ~1923 · Washington
★ You are viewing this record
Sibling
Mildred Pratt
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wallace Pratt
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Pratt
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lenora Pratt
Sibling · 1940 · age 14
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 — Whatcom-County, Washington
Open full size
1940 US Federal Census — Whatcom-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04369-00229)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leon M Pratt | 55 | Head | Farmer | Nebraska |
| 2 | Sarah E Pratt | 52 | Wife | — | Nebraska |
| 3 | Mildred V Pratt | 22 | Daughter | Secretary | Idaho |
| 4 | Marvin I Pratt | 17 | Son | — | Idaho |
| 5 | Charles J Pratt THIS PERSON | 17 | Son | — | Canada English |
| 6 | Lenora L Pratt | 14 | Daughter | — | Washington |
| 7 | Wallace W Pratt | 11 | Son | — | Washington |
| 8 | Alfred Nutson | 69 | Head | — | England |
| 9 | Blanche F Nutson | 67 | Wife | — | Michigan |
| 10 | Edward G Brandt | 63 | Head | Laborer | Minnesota |
| 11 | Jenny E Brandt | 63 | Wife | — | Iowa |
| 12 | Freda E Brandt | 23 | Daughter | Office Clerk | Montana |
| 13 | Joseph W Claboe | 51 | Head | Farmer | Indiana |
| 14 | Ethel J Claboe | 48 | Wife | — | Washington |
| 15 | Kenneth Claboe | 17 | Son | — | Washington |
| 16 | Sarah L Smith | 74 | Mother | — | Washington |
| 17 | John J Elphree | 5 | Boarder | — | Washington |
| 18 | John B Green | 63 | Head | Stevedore | Sweden |
| 19 | Hulda W Green | 57 | Wife | — | Sweden |
| 20 | Clyde A Jones | 54 | Head | Hatchery Man | Nebraska |
| 21 | Elizabeth B Jones | 52 | Wife | — | South Dakota |
| 22 | Vernon R Jones | 35 | Son | Section Hand | Washington |
| 23 | George E Tong | 61 | Head | Dairy Man | Kansas |
| 24 | Grace E Tong | 50 | Wife | — | Michigan |
| 25 | Elinor A Tong | 18 | Daughter | — | Washington |
| 26 | Alfred Thompson | 51 | Head | Farmer | Norway |
| 27 | Anna R Thompson | 46 | Wife | Pantry Work | Minnesota |
| 28 | Darwin E Thompson | 17 | Son | — | Washington |
| 29 | Tom Oswald | 48 | Head | Farmer | Norway |
| 30 | Sigrid H Oswald | 42 | Wife | — | Norway |
| 31 | Tom J Oswald | 16 | Son | — | Washington |
| 32 | Geraldine L Oswald | 14 | Daughter | — | Washington |
| 33 | Jr. Tom Oswald | 10 | Son | — | Washington |
| 34 | Harley D Oswald | 4 | Son | — | Washington |
| 35 | Lars Melvin | 36 | Hired Man | Farm Hand | Norway |
| 36 | George H Flanigin | 35 | Head | Farmer | Nebraska |
| 37 | Wilda M Flanigin | 27 | Wife | — | Nebraska |
| 38 | Betty J Flanigin | 11 | Daughter | — | Nebraska |
| 39 | George M Flanigin | 9 | Son | — | Nebraska |
| 40 | Vivian A Flanigin | 8 | Daughter | — | Nebraska |
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)