MH
Marie Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · District-Of-Columbia-County, District of Columbia
Our Model Tree links this Marie Harris across the 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed) — first a daughter (b.~1899), then head of a 12-person household.
Age 41
b. ~1899
Female
Daughter
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | District-Of-Columbia-County, District of Columbia |
| Surname | Harris |
| Given Name | Marie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 5 |
| Highest Grade | No 7 |
| 1935 Residence | same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Washington |
| Est. Birth Year | ~1899 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Vernon Harris | Son | — | 9 | ~1931 |
| Marian Harris | Daughter | — | 17 | ~1923 |
| Mary Harris | Daughter | — | 1 | ~1939 |
| William Harris | Head | — | 51 | ~1889 |
| Walter Slack | Other | — | 28 | ~1912 |
| Walter Dotan | Other | — | 42 | ~1898 |
| Marie Harris | Daughter | — | 41 | ~1899 |
| Rosie Gordon | Daughter | — | 19 | ~1921 |
| William Harris | Son | — | 15 | ~1925 |
| Russell Harris | Son | — | 6 | ~1934 |
| Robert Harris | Son | — | 4 | ~1936 |
| Arnold Harris | Son | — | 12 | ~1928 |
Census Appearances
1930
None, District …
Spouse, age 31
None, District of Columbia · implied b. ~1899 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 17 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
District-Of-Columbia-County, District …
Daughter, age 41
District-Of-Columbia-County, District of Columbia · implied b. ~1899 — 12 household members
| Surname | Harris |
| Given Name | Marie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Class of Worker | 0 |
| Hours Worked | 5 |
| Highest Grade | No 7 |
| 1935 Residence | same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Harris across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Harris
Daughter · 1940 · age 41 · b. ~1899 · District of Columbia
★ You are viewing this record
Sibling
Vernon Harris
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arnold Harris
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Harris
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Harris
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marian Harris
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosie Gordon
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Harris
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Harris
Sibling · 1940 · age 1
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-t0627-00567-00507)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sturdivant, Sterling Gilliam | 30 | brother | Gardener | Maryland |
| 42 | Wheeler, Joseph Gilliam | 45 | partner | — | Dist. of Col. |
| 43 | Wheeler, Ruth Gilliam | 35 | lodger | Laundress | North Carolina |
| 44 | Blabey, Susie Gilliam | 38 | lodger | Servant | Virginia |
| 45 | Butler, Elizabeth Gilliam | 36 | lodger | Servant | Virginia |
| 46 | James D. Clark | 63 | Head | Janitor | South Carolina |
| 47 | Sarah F. Clark | 21 | daughter | Maid | Dist. of Col. |
| 48 | Hampson Nicholas | 25 | Head | Elevator Operator | Virginia |
| 49 | Ramona R. Nicholas | 25 | wife | — | Dist. of Col. |
| 50 | Arlene Nicholas | 3 | daughter | — | Dist. of Col. |
| 51 | Yvonne Nicholas | 1 | daughter | — | Dist. of Col. |
| 52 | Frank Parker | 24 | brother | Cook | Dist. of Col. |
| 53 | Ernest S. Winters | 60 | Head | Clerk | Alabama |
| 54 | Cora Winters | 56 | wife | — | Arkansas |
| 55 | Lawrence Winters | 34 | son | Clerk | Texas |
| 56 | William H. Harris | 51 | Head | Laborer | Dist. of Col. |
| 57 | Marie Harris THIS PERSON | 41 | daughter | — | Maryland |
| 58 | Marian Harris | 17 | daughter | — | Dist. of Col. |
| 59 | William Harris | 15 | son | — | Dist. of Col. |
| 60 | Arnold Harris | 12 | son | — | Dist. of Col. |
| 61 | Vernon Harris | 9 | son | — | Dist. of Col. |
| 62 | Russell Harris | 6 | son | — | Dist. of Col. |
| 63 | Robert Harris | 4 | son | — | Dist. of Col. |
| 64 | Mary A. Harris | 1 | daughter | — | Dist. of Col. |
| 65 | Rosie Gordon | 19 | daughter | Servant | Dist. of Col. |
| 66 | Walter Dotan | 42 | lodger | Porter | Maryland |
| 67 | Walter Slack | 28 | lodger | Chauffeur | North Carolina |
| 68 | William Hart | 37 | Head | Stock Clerk | North Carolina |
| 69 | Elizabeth Hart | 15 | daughter | — | Pennsylvania |
| 70 | Robert Hart | 13 | son | — | North Carolina |
| 71 | David Hart | 10 | son | — | Dist. of Col. |
| 72 | Jessie May Hart | 11 | daughter | — | Dist. of Col. |
| 73 | Aloysius Hart | 9 | son | — | Dist. of Col. |
| 74 | Marie Blackwell | 32 | lodger | Dentist'S Assistant | Dist. of Col. |
| 75 | George Sykes | 33 | lodger | Cement Worker | North Carolina |
| 76 | Woodrow Sykes | 32 | lodger | Servant | North Carolina |
| 77 | Leon Johnson | 30 | lodger | Baker | North Carolina |
| 78 | Isabelle Johnson | 24 | lodger | — | North Carolina |
| 79 | Robert Hart | 61 | father | Watchman | North Carolina |
| 80 | Howard Ellis | 40 | Head | Mechanic Helper | Virginia |
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)