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Marie Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Siskiyou-County, California
Our Model Tree links this Marie Williams across the 1930 and 1940 US Censuses in Siskiyou-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Female
Daughter
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Siskiyou-County, California |
| Surname | Williams |
| Given Name | Marie C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Fort Jones |
| 1935 Residence (County) | Siskiyou |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Fort Jones |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Julia Williams | Daughter | — | 9 | ~1931 |
| Hazel Williams | Daughter | — | 13 | ~1927 |
| Marie Williams | Daughter | — | 17 | ~1923 |
| Virginia Williams | Daughter | — | 11 | ~1929 |
| John Williams | Head | — | 53 | ~1887 |
| Jack Williams | Son | — | 15 | ~1925 |
| David Williams | Son | — | 19 | ~1921 |
| Clara Williams | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Siskiyou, California
Daughter, age 7
Siskiyou, California · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Marie E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Iowa |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Siskiyou-County, California
Daughter, age 17
Siskiyou-County, California · implied b. ~1923 — 8 household members
| Surname | Williams |
| Given Name | Marie C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Fort Jones |
| 1935 Residence (County) | Siskiyou |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Marie Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Williams
Daughter · 1940 · age 17 · b. ~1923 · California
★ You are viewing this record
Sibling
Julia Williams
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Williams
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Williams
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Williams
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Williams
Sibling · 1940 · age 11
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 — Siskiyou-County, California
Open full size
1940 US Federal Census — Siskiyou-County, California
Page Contents
24 people indexed on this census page (nara:1940:m-t0627-00346-00539)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Francis G. Petrich | 20 | Son | Bank Clerk | California |
| 2 | Curt H. Petrich | 39 | Head | Mail Carrier | North Dakota |
| 3 | Bertha Petrich | 34 | Wife | — | California |
| 4 | Margaret Roberts | 25 | Sister-in-law | — | California |
| 5 | Mary Mcbride | 37 | Head | — | California |
| 6 | Margharita Hammer | 14 | Daughter | — | California |
| 7 | Mary A. Mcbride | 8 | Daughter | — | California |
| 8 | Frederick Mcbride | 5 | Son | — | California |
| 9 | Josephine Barthell | 38 | Head | Hospital Superintendent | Oregon |
| 10 | Theodore A. Barthell | 15 | Son | — | Pennsylvania |
| 11 | William Mathews | 66 | Head | Post Master | California |
| 12 | Gertrude Mathews | 52 | Wife | — | California |
| 13 | Eugene Miller | 22 | Head | Laborer | Canada |
| 14 | Vivian Miller | 19 | Wife | — | California |
| 15 | John Williams | 53 | Head | District Forest Ranger | Oklahoma |
| 16 | Clara H. Williams | 39 | Wife | — | Iowa |
| 17 | David R. Williams | 19 | Son | Janitor | Idaho |
| 18 | Marie C. Williams THIS PERSON | 17 | Daughter | — | Idaho |
| 19 | Jack F. Williams | 15 | Son | — | California |
| 20 | Hazel L. Williams | 13 | Daughter | — | California |
| 21 | Virginia L. Williams | 11 | Daughter | — | California |
| 22 | Julia A. Williams | 9 | Daughter | — | California |
| 23 | Douglas Baker | 46 | Head | Forrest Guard | California |
| 24 | Florence Baker | 40 | Wife | — | California |
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)