NC
Nellie Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Snohomish-County, Washington
Our Model Tree links this Nellie Clark across the 1930 and 1940 US Censuses in Snohomish-County, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1906), then head of a 11-person household.
Age 34
b. ~1906
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Snohomish-County, Washington |
| Surname | Clark |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Snohomish |
| 1935 Residence (County) | Snohomish |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Snohomish |
| Est. Birth Year | ~1906 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Nellie | Age | Birth yr |
|---|---|---|---|---|
| Violet Clark | Daughter | — | 5 | ~1935 |
| Myrtle Clark | Daughter | — | 17 | ~1923 |
| Hazel Clark | Daughter | — | 9 | ~1931 |
| Pauline Clark | Daughter | — | 2 | ~1938 |
| Mary Clark | Daughter | — | 14 | ~1926 |
| Tolerabelle Clark | Daughter | — | 7 | ~1933 |
| Virginia Clark | Daughter | — | 8 | ~1932 |
| John Clark | Head | — | 39 | ~1901 |
| William Clark | Son | — | ~1940 | |
| John Clark | Son | — | 12 | ~1928 |
| Nellie Clark | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Snohomish, Washington
Spouse, age 24
Snohomish, Washington · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Nellie M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 16 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Snohomish-County, Washington
Spouse, age 34
Snohomish-County, Washington · implied b. ~1906 — 11 household members
| Surname | Clark |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Snohomish |
| 1935 Residence (County) | Snohomish |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Nellie Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Nellie Clark
Spouse · 1940 · age 34 · b. ~1906 · 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 — Snohomish-County, Washington
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1940 US Federal Census — Snohomish-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04361-00336)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Thompson | 80 | Head | — | Sweden |
| 42 | Mary Thompson | 56 | Wife | — | Austria |
| 43 | Carl A. Thompson | 29 | Head | Trimmer Spotter | Canada-English |
| 44 | Louise Thompson | 22 | Wife | — | Washington |
| 45 | Wayne Thompson | 3 | Son | — | Washington |
| 46 | Janice Thompson | 1 | Daughter | — | Washington |
| 47 | William Terozier | 74 | Head | — | Canada-English |
| 48 | Daisy Terozier | 49 | Wife | — | New York |
| 49 | Roy Weaver | 52 | Head | Laborer | Michigan |
| 50 | William Weaver | 21 | Son | New Worker | Washington |
| 51 | Alice Weaver | 16 | Daughter | — | Washington |
| 52 | Jess Weaver | 13 | Son | — | Washington |
| 53 | Byron Muthye | 52 | Head | Shingle Weaver | Minnesota |
| 54 | Edith Muthye | 54 | Wife | — | Minnesota |
| 55 | Gladys Muthye | 29 | Daughter | Saleswoman | Washington |
| 56 | Herman D. Fift | 65 | Head | — | Nebraska |
| 57 | Mayra Fift | 62 | Wife | — | Vermont |
| 58 | Oscar Mayer | 58 | Head | Truck Driver | Sweden |
| 59 | Mary Mayer | 48 | Wife | — | Oregon |
| 60 | Ione Mayer | 12 | Daughter | Teacher | Idaho |
| 61 | Gloria Mayer | 16 | Daughter | — | Washington |
| 62 | Myrtle Mayer | 13 | Daughter | — | Washington |
| 63 | John Clark | 39 | Head | Laborer | Missouri |
| 64 | Nellie Clark THIS PERSON | 34 | Wife | — | Iowa |
| 65 | Myrtle Clark | 17 | Daughter | New Worker | Washington |
| 66 | Mary Clark | 14 | Daughter | — | Washington |
| 67 | John Jr. Clark | 12 | Son | — | Washington |
| 68 | Hazel Clark | 9 | Daughter | — | Washington |
| 69 | Virginia Clark | 8 | Daughter | — | Washington |
| 70 | Tolerabelle Clark | 7 | Daughter | — | Washington |
| 71 | Violet Clark | 5 | Daughter | — | Washington |
| 72 | Pauline Clark | 2 | Daughter | — | Washington |
| 73 | William Clark | 0 | Son | — | Washington |
| 74 | Arthur Turley | 58 | Head | Laborer | Missouri |
| 75 | Sybil Turley | 62 | Wife | — | Illinois |
| 76 | Richard Finley | 50 | Head | Donkey Engineer | Michigan |
| 77 | Gertrude Finley | 46 | Wife | — | West Virginia |
| 78 | Mona Finley | 16 | Daughter | — | Washington |
| 79 | Mylard Finley | 13 | Son | — | Washington |
| 80 | Maxine Finley | 8 | 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)