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Marion Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · District-Of-Columbia-County, District of Columbia
Our Model Tree links this Marion Williams across the 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Female
Daughter
Born: District of Col.
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | District-Of-Columbia-County, District of Columbia |
| Surname | Williams |
| Given Name | Marion |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | District of Col. |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | district of col |
| Township / Ward | Washington |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marion | Age | Birth yr |
|---|---|---|---|---|
| Eleanore Williams | Daughter | — | 21 | ~1919 |
| Jeannette Williams | Daughter | — | 20 | ~1920 |
| Marion Williams | Daughter | — | 17 | ~1923 |
| Harry Williams | Head | — | 59 | ~1881 |
| Walter Williams | Other | — | 9 | ~1931 |
| Delores Williams | Other | — | 8 | ~1932 |
| Edmond Williams | Son | — | 16 | ~1924 |
| Walter Williams | Son | — | 30 | ~1910 |
| Jeannette Williams | Spouse | — | 53 | ~1887 |
Census Appearances
1930
None, District …
Other, age 6
None, District of Columbia · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Margaret |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | District of Col. |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | No |
| Birthplace (normalized) | district of col |
1940
District-Of-Columbia-County, District …
Daughter, age 17
District-Of-Columbia-County, District of Columbia · implied b. ~1923 — 9 household members
| Surname | Williams |
| Given Name | Marion |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | District of Col. |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | district of col |
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 Marion Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marion Williams
Daughter · 1940 · age 17 · b. ~1923 · District of Columbia
★ You are viewing this record
Sibling
Eleanore Williams
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edmond Williams
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Williams
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeannette Williams
Sibling · 1940 · age 20
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 — District-Of-Columbia-County, District of Columbia
Open full size
1940 US Federal Census — District-Of-Columbia-County, District of Columbia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00564-00832)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mabelle Klinger | 56 | wife | — | Pennsylvania |
| 42 | Clarence Self | 32 | head | Driver-Coal Company | Virginia |
| 43 | Hallie Self | 29 | wife | Bookkeeper | Pennsylvania |
| 44 | Clarence Self | 7 | son | — | Pennsylvania |
| 45 | Robert Self | 5 | son | — | Pennsylvania |
| 46 | Paul Self | 4 | son | — | Pennsylvania |
| 47 | Fayetta Self | 2 | daughter | — | Pennsylvania |
| 48 | Emma Lou Self | 1 | daughter | — | Pennsylvania |
| 49 | James Busby | 56 | father-in-law | Proprietor-Retail Grocery | Pennsylvania |
| 50 | John P. Murray | 50 | head | Cab Driver | New Jersey |
| 51 | Mary Murray | 48 | wife | Press Feeder | New Jersey |
| 52 | Fred Murray | 18 | son | Laundry Help | District of Col. |
| 53 | Juanita Murray | 12 | daughter | — | District of Col. |
| 54 | Lavinda Murray | 5 | daughter | — | District of Col. |
| 55 | John J. Murray | 23 | head | Delivery Motor-Cycle | District of Col. |
| 56 | Patricia Murray | 19 | wife | — | Virginia |
| 57 | Shirley Murray | 1 | daughter | — | District of Col. |
| 58 | Allen N. Dyson | 25 | head | Electrician'S Helper | Maryland |
| 59 | Marie Dyson | 21 | wife | — | Maryland |
| 60 | Lois Marie Dyson | 3 | daughter | — | District of Col. |
| 61 | Elsie Lambury | 41 | head | Department Head | Virginia |
| 62 | Dorothy Lambury | 21 | daughter | Bookkeeper | District of Col. |
| 63 | Harry Williams | 59 | head | Paper Hanger | District of Col. |
| 64 | Jeannette Williams | 53 | wife | — | Maryland |
| 65 | Eleanore Williams | 21 | daughter | Stenographer | District of Col. |
| 66 | Jeannette Williams | 20 | daughter | Typist | District of Col. |
| 67 | Marion Williams THIS PERSON | 17 | daughter | — | District of Col. |
| 68 | Edmond Williams | 16 | son | — | District of Col. |
| 69 | Walter Williams | 30 | son | Printer | District of Col. |
| 70 | Walter F. Jr. Williams | 9 | grandson | — | District of Col. |
| 71 | Delores Williams | 8 | granddaughter | — | District of Col. |
| 72 | Robert Greenfield | 40 | head | Proprietor Wholesale Grocery | Maryland |
| 73 | Bessie Greenfield | 32 | wife | — | Russia |
| 74 | Richard Greenfield | 12 | son | — | District of Col. |
| 75 | Corinne Greenfield | 11 | daughter | — | District of Col. |
| 76 | Isabel Greenfield | 2 | daughter | — | District of Col. |
| 77 | Edward Lorringer | 28 | lodger | Assistant Salesman | Pennsylvania |
| 78 | Henry L. Miller | 54 | head | Printer | Maryland |
| 79 | Maude Miller | 52 | wife | — | Virginia |
| 80 | Helen Miller | 31 | daughter | Telephone Operator | District of Col. |
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)