HW
Harriet Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this Harriet Williams across the 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 7-person household.
Age 19
b. ~1921
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Williams |
| Given Name | Harriet |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Webster Groves City |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | houseworker |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Houseworker |
| Township / Ward | Webster Groves City |
| Est. Birth Year | ~1921 |
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 Harriet | Age | Birth yr |
|---|---|---|---|---|
| Julia Williams | Spouse | — | 52 | ~1888 |
| Edith Williams | Daughter | — | 16 | ~1924 |
| Harriet Williams | Daughter | — | 19 | ~1921 |
| Alice Williams | Daughter | — | 13 | ~1927 |
| Harris Williams | Head | — | 52 | ~1888 |
| Oscar Williams | Son | — | 14 | ~1926 |
| Harry Williams | Son | — | 18 | ~1922 |
Census Appearances
1930
St Louis, …
Daughter, age 9
St Louis, Missouri · implied b. ~1921 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Harriet |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Daughter, age 19
St.-Louis-County, Missouri · implied b. ~1921 — 7 household members
| Surname | Williams |
| Given Name | Harriet |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Webster Groves City |
| 1935 Residence (County) | St. Louis |
| Occupation | houseworker |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Harriet Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harriet Williams
Daughter · 1940 · age 19 · b. ~1921 · Missouri
★ You are viewing this record
Sibling
Harry Williams
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Williams
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Williams
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oscar Williams
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 — St.-Louis-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02149-00551)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jessie Browning | 66 | Wife | No | Illinois |
| 2 | Lucille Browning | 38 | Daughter | Turner And Finisher | Missouri |
| 3 | Ellen Browning | 35 | Daughter | Clerical Worker | Missouri |
| 4 | Alfred Williams | 35 | Head | Maintenance Man | Illinois |
| 5 | Dolly Williams | 30 | Wife | Laundress | Missouri |
| 6 | Emil Wilke | 51 | Head | Barber | Illinois |
| 7 | Mayme Wilke | 51 | Wife | No | Kentucky |
| 8 | Erhil Wilke | 20 | Son | Piano Teacher | Illinois |
| 9 | Jack Palmer | 16 | Cousin | No | Illinois |
| 10 | Frank De Lang | 62 | Head | Plumber | Illinois |
| 11 | Myrtle De Lang | 52 | Wife | No | Missouri |
| 12 | Sanford De Lang | 25 | Son | Service Man | Missouri |
| 13 | Mary Ellen De Lang | 9 | Daughter | — | Missouri |
| 14 | Wilbur Peterson | 44 | Head | Storeroom Clerk | Missouri |
| 15 | Sophie M. Peterson | 44 | Wife | No | Missouri |
| 16 | John Jacob | 50 | Head | Ice And Coal Man | Missouri |
| 17 | Gertrude Jacob | 52 | Wife | No | Germany |
| 18 | Theodosia Jacob | 12 | Daughter | — | Missouri |
| 20 | Joseph D'Angelo | 50 | Head | Tailor | Italy |
| 21 | Pauline D'Angelo | 41 | Wife | No | Italy |
| 22 | John D'Angelo | 20 | Son (ab) | No | Missouri |
| 23 | Jack D'Angelo | 18 | Son | Assistant Tailor | Missouri |
| 24 | Harris Williams | 52 | Head | Milkman | Missouri |
| 25 | Julia Williams | 52 | Wife | No | Illinois |
| 26 | Harriet Williams THIS PERSON | 19 | Daughter | Houseworker | Missouri |
| 27 | Harry Williams | 18 | Son | — | Missouri |
| 28 | Edith Williams | 16 | Daughter | No | Missouri |
| 29 | Oscar Williams | 14 | Son | No | Missouri |
| 30 | Alice Williams | 13 | Daughter | No | Missouri |
| 31 | Albert Dean | 45 | Head | Shoe Rebuilder | Arkansas |
| 32 | Beulah Dean | 38 | Wife | No | Arkansas |
| 33 | Mary Frances Dean | 18 | Daughter | No | Arkansas |
| 34 | Elizabeth Carr | 67 | Sister in law | No | Alabama |
| 35 | Charles L. Green | 5 | Nephew | — | Arkansas |
| 36 | Dudley Parker | 36 | Head | Specialty Salesman | St. Louis |
| 37 | Mildred Parker | 31 | Wife | No | Indiana |
| 38 | David Parker | 11 | Son | — | Indiana |
| 39 | Martha Parker | 5 | Daughter | — | Missouri |
| 40 | Lina Haase | 52 | Head | No | Germany |
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)