MW
Mary Washington — 1940 US Census Record
Model Tree available1940 United States Federal Census · Warren-County, Mississippi
Our Model Tree links this Mary Washington across the 1920, 1930 and 1940 US Censuses in Warren-County, Mississippi (XGBoost, ~Confirmed), with identified parents Henry & Mary — first a daughter (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Female
Daughter
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Mississippi |
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 5 |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Beat 5 |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mabel Washington | Daughter | — | 5 | ~1935 |
| Mary Washington | Daughter | — | 20 | ~1920 |
| Alf Washington | Head | — | 45 | ~1895 |
| Joseph Washington | Son | — | 12 | ~1928 |
| George Washington | Son | — | 22 | ~1918 |
| Lucille Washington | Spouse | — | 20 | ~1920 |
Census Appearances
1920
Warren, Mississippi
Daughter, age
Warren, Mississippi · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Louisiana |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Warren, Mississippi
Daughter, age 10
Warren, Mississippi · implied b. ~1920 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Warren-County, Mississippi
Daughter, age 20
Warren-County, Mississippi · implied b. ~1920 — 6 household members
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 5 |
| 1935 Residence (County) | Warren |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Mary Washington across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Washington (~0.92 confidence) and mother Mary Washington (~0.92 confidence) and father Alf Washington (~0.92 confidence) and mother Mary Washington (~0.92 confidence) and mother Lucille Washington (~0.50 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Henry Washington
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mary Washington
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Alf Washington
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Mary Washington
b. ~1901
Source mother
● Household
· direct · ~0.92
Mother
Lucille Washington
b. ~1920
Source mother
● Household
· direct · ~0.5
This person
Anchor record
Mary Washington
Daughter · 1940 · age 20 · b. ~1920 · Mississippi
★ You are viewing this record
Sibling
Joseph Washington
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Washington
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Washington
Sibling · 1940 · age 5
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 — Warren-County, Mississippi
Open full size
1940 US Federal Census — Warren-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02074-00947)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elijah Jr Neal | 3 | Son | — | Mississippi |
| 42 | Nathan Hill | 36 | Head | Farmer | Mississippi |
| 43 | Leona Hill | 36 | Wife | — | Mississippi |
| 44 | Son Gallahue | 18 | Son | Laborer | Mississippi |
| 45 | Pearl Gallahue | 12 | Daughter | — | Mississippi |
| 46 | Walter Gallahue | 10 | Son | — | Mississippi |
| 47 | Katherine Gallahue | 8 | Daughter | — | Mississippi |
| 48 | Ed Lee Gallahue | 5 | Son | — | Mississippi |
| 49 | Hattie Bell Gallahue | 3 | Daughter | — | Mississippi |
| 50 | Ollie Ruby Gallahue | 0 | Daughter | — | Mississippi |
| 51 | Alf Washington | 45 | Head | Farmer | Mississippi |
| 52 | Lucille Washington | 20 | Wife | — | Mississippi |
| 53 | George Washington | 22 | Son | Laborer | Mississippi |
| 54 | Mary Washington THIS PERSON | 20 | Daughter | — | Mississippi |
| 55 | Joseph Washington | 12 | Son | — | Mississippi |
| 56 | Mabel Washington | 5 | Daughter | — | Mississippi |
| 57 | Mary Wall | 65 | Head | Laborer | Mississippi |
| 58 | Henry Burns | 85 | Head | Farmer | Mississippi |
| 59 | Mary Burns | 82 | Wife | — | Mississippi |
| 60 | Joe Burns | 67 | Son | Farmer | Mississippi |
| 61 | Howard Swett | 35 | Head | Engineer Civil | Mississippi |
| 62 | Margie Swett | 35 | Wife | — | Mississippi |
| 63 | Howard Jr Swett | 14 | Son | — | Mississippi |
| 64 | Sam Swett | 11 | Son | — | Mississippi |
| 65 | Margie Swett | 3 | Daughter | — | Mississippi |
| 66 | L. H. Decker | 31 | Head | Truck Driver | Mississippi |
| 67 | Floyd Decker | 10 | Son | — | Mississippi |
| 68 | Francis Decker | 6 | Daughter | — | Mississippi |
| 69 | Jimmie Decker | 5 | Son | — | Mississippi |
| 70 | Doris Decker | 1 | Daughter | — | Mississippi |
| 71 | William Decker | 29 | Brother | Truck Driver | Mississippi |
| 72 | Myrtis Breckin | 22 | Sister | — | Mississippi |
| 73 | Henry Williams | 24 | Head | Laborer | Mississippi |
| 74 | Emily Williams | 20 | Wife | Cook | Mississippi |
| 75 | Lem Williams | 9 | Son | — | Mississippi |
| 76 | A. J. Odem | 61 | Head | Carpenter | Mississippi |
| 77 | Annie Odem | 58 | Wife | — | Georgia |
| 78 | James Emerick | 28 | Son-in-law | Truck Foreman | Mississippi |
| 79 | Eva Emerick | 32 | Daughter | — | Mississippi |
| 80 | Wood Lanier | 72 | Head | Farm | Mississippi |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 5 parents
~0.84
Max depth 4 (1900–1950 window)
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)