MH
Mary Harper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sharkey-County, Mississippi
Our Model Tree links this Mary Harper across the 1920, 1930 and 1940 US Censuses in Sharkey-County, Mississippi (XGBoost, ~Confirmed), with identified parents Glenn & John — first a daughter (b.~1919), then head of a 12-person household.
Age 21
b. ~1919
Female
Daughter
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sharkey-County, Mississippi |
| Surname | Harper |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Sharkey |
| Additional Details | |
| Occupation | Farming |
| Industry | Laborer |
| Class of Worker | NP |
| Hours Worked | 48 |
| Income (1939) | 25 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Farming |
| Township / Ward | Beat 4 |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Dorothy Harper | Daughter | — | 5 | ~1935 |
| Edna Harper | Daughter | — | 5 | ~1935 |
| Amy Harper | Daughter | — | 10 | ~1930 |
| Mary Harper | Daughter | — | 21 | ~1919 |
| Celesteen Harper | Daughter | — | 2 | ~1938 |
| Glenn Harper | Head | — | 50 | ~1890 |
| Allen Harper | Son | — | 12 | ~1928 |
| Eddie Harper | Son | — | 14 | ~1926 |
| Lin Harper | Son | — | 9 | ~1931 |
| Harry Harper | Son | — | 9 | ~1931 |
| Robert Harper | Son | — | 15 | ~1925 |
| Ella Harper | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Sharkey, Mississippi
Daughter, age 2
Sharkey, Mississippi · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Sharkey, Mississippi
Daughter, age 12
Sharkey, Mississippi · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Sharkey-County, Mississippi
Daughter, age 21
Sharkey-County, Mississippi · implied b. ~1919 — 12 household members
| Surname | Harper |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Sharkey |
| Occupation | Farming |
| Industry | Laborer |
| Class of Worker | NP |
| Hours Worked | 48 |
| Income (1939) | 25 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Harper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Glenn Harper (~0.92 confidence) and father John Harper (~0.92 confidence) and mother Ella Harper (~0.92 confidence) and mother Maggie Harper (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Glenn Harper
b. ~1890
Source father
● Household
· direct · ~0.92
Father
John Harper
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Ella Harper
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Maggie Harper
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Harper
Daughter · 1940 · age 21 · b. ~1919 · Mississippi
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Sibling
Eddie Harper
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allen Harper
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Harper
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Celesteen Harper
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Harper
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Harper
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Harper
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amy Harper
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lin Harper
Sibling · 1940 · age 9
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 — Sharkey-County, Mississippi
Open full size
1940 US Federal Census — Sharkey-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02064-00182)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | A. B. Baker | 36 | Head | Farming | Texas |
| 2 | Viola Baker | 19 | Wife | Farming | Mississippi |
| 3 | Ernest Baker | 2 | Son | — | Mississippi |
| 4 | Pearl Baker | 0 | Daughter | — | Texas |
| 5 | Eugenia Smith | 21 | Aunt | Farming | Mississippi |
| 6 | Leon Banks | 46 | Head | Farming | Mississippi |
| 7 | Rosie Banks | 40 | Wife | Farming | Mississippi |
| 8 | Lizzie Banks | 82 | Mother | Farming | Mississippi |
| 9 | Will Brown | 46 | Head | Blacksmith | Mississippi |
| 10 | Rose Brown | 44 | Wife | School Teacher | Mississippi |
| 11 | Agnes Brown | 23 | Daughter | Farming | Mississippi |
| 12 | Letha Brown | 18 | Daughter | Farming | Mississippi |
| 13 | Nora Lee Brown | 2 | Daughter | — | Mississippi |
| 14 | Fay Brown | 1 | Daughter | — | Mississippi |
| 15 | Ivy Brown | 21 | Daughter | Farming | Mississippi |
| 16 | Eunice R. Wilson | 8 | Niece | — | Mississippi |
| 17 | Glenn Harper | 50 | Head | Farming | S. Carolina |
| 18 | Ella Harper | 40 | Wife | Farming | Mississippi |
| 19 | Mary Harper THIS PERSON | 21 | Daughter | Farming | Mississippi |
| 20 | Robert Harper | 15 | Son | — | Mississippi |
| 21 | Eddie Harper | 14 | Son | — | Mississippi |
| 22 | Allen Harper | 12 | Son | — | Mississippi |
| 23 | Amy Ruth Harper | 10 | Daughter | — | Mississippi |
| 24 | Harry E. Harper | 9 | Son | — | Mississippi |
| 25 | Lin Harper | 9 | Son | — | Mississippi |
| 26 | Edna Harper | 5 | Daughter | — | Mississippi |
| 27 | Dorothy Harper | 5 | Daughter | — | Mississippi |
| 28 | Celesteen Harper | 2 | Daughter | — | Mississippi |
| 29 | William Patterson | 53 | Head | Farming | Mississippi |
| 30 | Ollie Patterson | 52 | Wife | Farming | Mississippi |
| 31 | William Jr. Patterson | 26 | Son | Farming | Mississippi |
| 32 | Robert Patterson | 21 | Son | Farming | Mississippi |
| 33 | Lilly B. Patterson | 16 | Daughter | — | Mississippi |
| 34 | Sam Patterson | 10 | Son | — | Mississippi |
| 35 | John M. Herren | 43 | Head | Farming | Alabama |
| 36 | Laura Herren | 30 | Wife | Farming | Texas |
| 37 | Elijah Herren | 21 | Son | Farming | Mississippi |
| 38 | Sam Herren | 19 | Son | Farming | Mississippi |
| 39 | Dorothy Herren | 16 | Daughter | — | Mississippi |
| 40 | Jackie Herren | 11 | Daughter | — | Mississippi |
Pedigree Summary
Mary + 9 siblings
Gen 1 · 4 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)