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Mary Harrison — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Louisiana
Our Model Tree links this Mary Harrison across the 1920, 1930 and 1940 US Censuses in Madison-County, Louisiana (XGBoost, ~Confirmed), with identified parents Ben & Benjamin — first a daughter (b.~1912), then head of a 12-person household.
Age 28
b. ~1912
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Louisiana |
| Surname | Harrison |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 3 |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | School teacher |
| Industry | School |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 260 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Teacher |
| Township / Ward | Ward 3 |
| Est. Birth Year | ~1912 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Dolly Harrison | Daughter | — | 9 | ~1931 |
| Thelma Harrison | Daughter | — | 26 | ~1914 |
| Vera Harrison | Daughter | — | 14 | ~1926 |
| Mary Harrison | Daughter | — | 28 | ~1912 |
| Evelyn Harrison | Daughter | — | 12 | ~1928 |
| Doris Harrison | Daughter | — | 3 | ~1937 |
| Estel Harrison | Daughter | — | 6 | ~1934 |
| Benjamin Harrison | Head | — | 51 | ~1889 |
| James Brooks | Other | — | 13 | ~1927 |
| Magnia Harrison | Son | — | 16 | ~1924 |
| Oleander Harrison | Son | — | 18 | ~1922 |
| Mina Harrison | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Madison, Louisiana
Daughter, age 8
Madison, Louisiana · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mulatto |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | In school |
| Can Read | Yes |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Madison, Louisiana
Daughter, age 19
Madison, Louisiana · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Madison-County, Louisiana
Daughter, age 28
Madison-County, Louisiana · implied b. ~1912 — 12 household members
| Surname | Harrison |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 3 |
| 1935 Residence (County) | Madison |
| Occupation | School teacher |
| Industry | School |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 260 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Harrison across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ben Harrison (~0.92 confidence) and father Benjamin Harrison (~0.92 confidence) and father Benjamin Harrison (~0.92 confidence) and mother Nina Harrison (~0.92 confidence) and mother Mina Harrison (~0.92 confidence) and mother Nina Harrison (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ben Harrison
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Benjamin Harrison
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Benjamin Harrison
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Nina Harrison
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mina Harrison
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Nina Harrison
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Harrison
Daughter · 1940 · age 28 · b. ~1912 · Louisiana
★ You are viewing this record
Sibling
Estel Harrison
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oleander Harrison
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vera Harrison
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Harrison
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Harrison
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Magnia Harrison
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dolly Harrison
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Harrison
Sibling · 1940 · age 26
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 — Madison-County, Louisiana
Open full size
1940 US Federal Census — Madison-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01412-00573)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | — | 70 | Husband | — | Louisiana |
| 2 | Benjamin Harrison | 51 | Head | Farmer | Louisiana |
| 3 | Mina Harrison | 47 | Wife | — | Louisiana |
| 4 | Mary Harrison THIS PERSON | 28 | Daughter | School Teacher | Louisiana |
| 5 | Thelma Harrison | 26 | Daughter | School Teacher | Louisiana |
| 6 | Oleander Harrison | 18 | Son | Farm Laborer | Louisiana |
| 7 | Magnia C. Harrison | 16 | Son | — | Louisiana |
| 8 | Vera Harrison | 14 | Daughter | — | Louisiana |
| 9 | Evelyn Harrison | 12 | Daughter | — | Louisiana |
| 10 | Dolly Mae Harrison | 9 | Daughter | — | Louisiana |
| 11 | Estel B. Harrison | 6 | Daughter | — | Louisiana |
| 12 | Doris E. Harrison | 3 | Daughter | — | Louisiana |
| 13 | James Brooks | 13 | Nephew | — | Louisiana |
| 14 | Arrat Robinson | 31 | Head | Farmer | Mississippi |
| 15 | Bessie Robinson | 20 | Wife | — | Mississippi |
| 16 | Mussa Robinson | 2 | Son | — | Mississippi |
| 17 | Sadie Lee Pike | 6 | Stepdaughter | — | Mississippi |
| 18 | A. B. Hunt | 66 | Head | Farmer | Mississippi |
| 19 | Lertie Hunt | 37 | Wife | — | Mississippi |
| 20 | Annie Lee Hunt | 13 | Daughter | — | Louisiana |
| 21 | Thomas Hunt | 10 | Grandson | — | Louisiana |
| 22 | John D. Martin | 47 | Head | Farmer | Louisiana |
| 23 | Bessie Martin | 39 | Wife | — | Louisiana |
| 24 | Virginia Martin | 15 | Daughter | — | Louisiana |
| 25 | Elsie Martin | 13 | Daughter | — | Louisiana |
| 26 | James Martin | 10 | Son | — | Louisiana |
| 27 | John Earl Martin | 5 | Son | — | Louisiana |
| 28 | Frank Simson | 20 | Head | Farm Laborer | Louisiana |
| 29 | Sady Lee Simson | 22 | Wife | — | Mississippi |
| 30 | Matilda Davis | 68 | Head | — | Louisiana |
| 31 | Louis Simson | 18 | Lodger | Farm Laborer | Louisiana |
| 32 | Fred Freeman | 60 | Head | Farmer | Mississippi |
| 33 | Ula Freeman | 48 | Wife | — | Mississippi |
| 34 | Hildon Freeman | 28 | Son | Farm Laborer | Mississippi |
| 35 | Mildred Freeman | 18 | Daughter | — | Mississippi |
| 36 | Decatur Freeman | 12 | Son | — | Louisiana |
| 37 | J. C. Byram | 50 | Head | Farmer | Louisiana |
| 38 | Alla Byram | 43 | Wife | — | Arkansas |
| 39 | J. C. Jr. Byram | 21 | Son | — | Louisiana |
| 40 | Betty Byram | 17 | Daughter | — | Louisiana |
Pedigree Summary
Mary + 8 siblings
Gen 1 · 6 parents
~0.92
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)