AS
Alma Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · District-Of-Columbia-County, District of Columbia
Our Model Tree links this Alma Smith across the 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Female
Daughter
Born: District of Col
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | District-Of-Columbia-County, District of Columbia |
| Surname | Smith |
| Given Name | Alma T. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | District of Col |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birthplace (normalized) | district of col |
| Township / Ward | Washington |
| Est. Birth Year | ~1920 |
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 Alma | Age | Birth yr |
|---|---|---|---|---|
| Alma Smith | Daughter | — | 20 | ~1920 |
| Bernadette Smith | Daughter | — | 23 | ~1917 |
| Maggie Smith | Head | — | 58 | ~1882 |
| Raphael Smith | Son | — | 33 | ~1907 |
| Francis Smith | Son | — | 35 | ~1905 |
| Ignatius Smith | Son | — | 23 | ~1917 |
| Benjamin Smith | Son | — | 25 | ~1915 |
Census Appearances
1930
None, District …
Daughter, age 11
None, District of Columbia · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | District of Col |
| Father's Birthplace | District of Col |
| Mother's Birthplace | District of Col |
| Can Read/Write | Yes |
| Birthplace (normalized) | district of col |
1940
District-Of-Columbia-County, District …
Daughter, age 20
District-Of-Columbia-County, District of Columbia · implied b. ~1920 — 7 household members
| Surname | Smith |
| Given Name | Alma T. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | District of Col |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 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 Alma Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alma Smith
Daughter · 1940 · age 20 · b. ~1920 · District of Columbia
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Sibling
Bernadette Smith
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raphael Smith
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Smith
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Smith
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ignatius Smith
Sibling · 1940 · age 23
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
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1940 US Federal Census — District-Of-Columbia-County, District of Columbia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00558-00960)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Wood | 24 | Head | — | Maryland |
| 2 | Thelma Wood | 22 | Wife | Laborer | Maryland |
| 3 | Dorothy Wood | 19 | Daughter | — | District of Col |
| 4 | Catherine Wood | 15 | Daughter | — | District of Col |
| 5 | Grace Wood | 12 | Daughter | — | District of Col |
| 6 | Warren Wood | 3 | Grandson | — | District of Col |
| 7 | Ann D. Wood | 3 | Daughter | — | District of Col |
| 8 | Clarence D. Tippett | 78 | Head | — | Maryland |
| 9 | Sarah Tippett | 74 | Wife | — | Maryland |
| 10 | John F. Tippett | 52 | Son | Laborer | District of Col |
| 11 | Geneva V. Tippett | 50 | Daughter-in-law | — | Maryland |
| 12 | Beatrice Scott | 54 | Head | — | District of Col |
| 13 | Alfred W. Dixon | 22 | Step-son | — | Maryland |
| 14 | Maggie Smith | 58 | Head | — | Maryland |
| 15 | Francis C. Smith | 35 | Son | Messenger | District of Col |
| 16 | Raphael A. Smith | 33 | Son | Musician | District of Col |
| 17 | Benjamin C. Smith | 25 | Son | Elevator Conductor | District of Col |
| 18 | Ignatius A. Smith | 23 | Son | Elevator Operator | District of Col |
| 19 | Bernadette Smith | 23 | Daughter | Maid | District of Col |
| 20 | Alma T. Smith THIS PERSON | 20 | Daughter | — | District of Col |
| 21 | Murray O. Harris | 38 | Head | Painter | District of Col |
| 22 | Mary Harris | 28 | Wife | Servant | District of Col |
| 23 | Nora Thomas | 55 | Lodger | Servant | District of Col |
| 24 | Cora V. Bowie | 40 | Head | New Worker | District of Col |
| 25 | Cleora Bowie | 22 | Daughter | Servant | District of Col |
| 26 | Anna Lee | 78 | Aunt | — | District of Col |
| 27 | Cecilia C. Walker | 43 | Head | — | District of Col |
| 28 | Oliver T. Palmer | 46 | Lodger | Waiter | Maryland |
| 29 | Annie V. Allen | 40 | Head | Maid | Virginia |
| 30 | Elizabeth Allen | 14 | Daughter | — | District of Col |
| 31 | Georgeann Allen | 12 | Daughter | — | District of Col |
| 32 | Georgia Campbell | 38 | Sister | — | Virginia |
| 33 | Charles Campbell | 18 | Nephew | New Worker | Indiana |
| 34 | Doris Campbell | 13 | Niece | — | District of Col |
| 35 | Dorothy Campbell | 26 | Sister | Maid | Virginia |
| 36 | Edwin Campbell | 8 | Nephew | — | District of Col |
| 37 | Edward J. Washington | 38 | Head | Truck Driver | Virginia |
| 38 | Bernice R. Washington | 24 | Wife | Servant | District of Col |
| 39 | Clarence W. Washington | 19 | Son | — | District of Col |
| 40 | Harvey V. Washington | 17 | Son | — | 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)