RW
Ruth Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · District-Of-Columbia-County, District of Columbia
Our Model Tree links this Ruth Williams across the 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed) — first a spouse (b.~1908), then head of a 18-person household.
Age 32
b. ~1908
Female
Spouse
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | District-Of-Columbia-County, District of Columbia |
| Surname | Williams |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Additional Details | |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Washington |
| Est. Birth Year | ~1908 |
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.
18 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Lilly Williams | Daughter | — | 12 | ~1928 |
| Gloria Williams | Daughter | — | 10 | ~1930 |
| Rosalie Williams | Daughter | — | 11 | ~1929 |
| Dorothy Williams | Daughter | — | 8 | ~1932 |
| Kathryn Williams | Daughter | — | 14 | ~1926 |
| Annie Williams | Daughter | — | 13 | ~1927 |
| Elizabeth Williams | Daughter | — | 15 | ~1925 |
| Albert Williams | Head | — | 36 | ~1904 |
| Samuel Williams | Other | — | 22 | ~1918 |
| John Williams | Other | — | 35 | ~1905 |
| Pearl Williams | Other | — | 38 | ~1902 |
| Ethel Adams | Other | — | 18 | ~1922 |
| James Turner | Other | — | 44 | ~1896 |
| Dorothy March | Other | — | 41 | ~1899 |
| Albert Williams | Son | — | 9 | ~1931 |
| Edward Williams | Son | — | 7 | ~1933 |
| Arthur Williams | Son | — | 3 | ~1937 |
| Ruth Williams | Spouse | — | 32 | ~1908 |
Census Appearances
1930
None, District …
Spouse, age 23
None, District of Columbia · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 16 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
District-Of-Columbia-County, District …
Spouse, age 32
District-Of-Columbia-County, District of Columbia · implied b. ~1908 — 18 household members
| Surname | Williams |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Ruth Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Williams
Spouse · 1940 · age 32 · b. ~1908 · District of Columbia
★ You are viewing this record
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-t0627-00553-00054)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence C Keanley | 60 | Head | — | Virginia |
| 2 | John T Elwood | 52 | Head | Heating Engineer | Illinois |
| 3 | Mary H Elwood | 46 | Wife | — | Maryland |
| 4 | John Elwood | 25 | Son | Apprentice Engr | Maryland |
| 5 | Mary A Elwood | 21 | Daughter | — | Maryland |
| 6 | William P Elwood | 15 | Son | — | D. C. |
| 7 | Margaret A Elwood | 14 | Daughter | — | D. C. |
| 8 | Robert E Elwood | 13 | Son | — | D. C. |
| 9 | Michael Elwood | 7 | Son | — | D. C. |
| 10 | Alby Lanaghan | 31 | Head | Clerk | D. C. |
| 11 | Anna L Lanaghan | 27 | Wife | Operator | Maryland |
| 12 | Anna L Lanaghan | 4 | Daughter | — | D. C. |
| 13 | Paul A Lanaghan | 1 | Son | — | D. C. |
| 14 | Edward J Healey | 79 | Lodger | — | D. C. |
| 15 | Albert Williams | 36 | Head | Laborer | South Carolina |
| 16 | Ruth Williams THIS PERSON | 32 | Wife | — | South Carolina |
| 17 | Elizabeth Williams | 15 | Daughter | — | D. C. |
| 18 | Kathryn Williams | 14 | Daughter | — | D. C. |
| 19 | Annie Williams | 13 | Daughter | — | D. C. |
| 20 | Lilly Williams | 12 | Daughter | — | D. C. |
| 21 | Rosalie Williams | 11 | Daughter | — | D. C. |
| 22 | Gloria Williams | 10 | Daughter | — | D. C. |
| 23 | Albert Williams | 9 | Son | — | D. C. |
| 24 | Dorothy Williams | 8 | Daughter | — | D. C. |
| 25 | Edward Williams | 7 | Son | — | D. C. |
| 26 | Arthur Williams | 3 | Son | — | D. C. |
| 27 | Pearl Williams | 38 | Sister | Maid | South Carolina |
| 28 | John Williams | 35 | Brother | Laborer | South Carolina |
| 29 | Samuel Williams | 22 | Brother | Laborer | South Carolina |
| 30 | James Turner | 44 | Lodger | Cook | South Carolina |
| 31 | Ethel Adams | 18 | Lodger | Maid | South Carolina |
| 32 | Dorothy March | 41 | Lodger | Maid | D. C. |
| 33 | Raymond Short | 41 | Head | Laborer | D. C. |
| 34 | Henrietta Short | 61 | Mother | — | Maryland |
| 35 | James Short | 65 | Father | — | Maryland |
| 36 | Richard Short | 39 | Brother | Laborer | Maryland |
| 37 | Henrietta Lewis | 19 | Sister | New Worker | D. C. |
| 38 | Eugene White | 38 | Lodger | Laborer | Georgia |
| 39 | Daisy White | 38 | Lodger | — | Georgia |
| 40 | Frank Nelson | 84 | Head | — | England |
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)