MJ
Mary Jennings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lee-County, Mississippi
Our Model Tree links this Mary Jennings across the 1930 and 1940 US Censuses in Lee-County, Mississippi (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 13-person household.
Age 19
b. ~1921
Female
Daughter
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lee-County, Mississippi |
| Surname | Jennings |
| Given Name | Mary Magne |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | 4 District Beat |
| 1935 Residence (County) | Lee |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | 4 District Beat |
| Est. Birth Year | ~1921 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Allie Jennings | Daughter | — | 8 | ~1932 |
| Mary Jennings | Daughter | — | 19 | ~1921 |
| Mattie Jennings | Daughter | — | 13 | ~1927 |
| Luela Jennings | Daughter | — | 9 | ~1931 |
| Bernice Jennings | Daughter | — | 12 | ~1928 |
| Hubert Jennings | Head | — | 43 | ~1897 |
| Richard Jennings | Son | — | 10 | ~1930 |
| Clifford Jennings | Son | — | 7 | ~1933 |
| Robert Jennings | Son | — | 16 | ~1924 |
| Robertson Jennings | Son | — | 6 | ~1934 |
| Thomas Jennings | Son | — | 17 | ~1923 |
| Charles Jennings | Son | — | 14 | ~1926 |
| Elnora Jennings | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Lee, Mississippi
Daughter, age 8
Lee, Mississippi · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | Mary Ernestine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | No |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Lee-County, Mississippi
Daughter, age 19
Lee-County, Mississippi · implied b. ~1921 — 13 household members
| Surname | Jennings |
| Given Name | Mary Magne |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | 4 District Beat |
| 1935 Residence (County) | Lee |
| Highest Grade | No 8 |
| 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 Jennings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Jennings
Daughter · 1940 · age 19 · b. ~1921 · Mississippi
★ You are viewing this record
Sibling
Mattie Jennings
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Jennings
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Jennings
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Jennings
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Jennings
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Jennings
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allie Jennings
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Jennings
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robertson Jennings
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Luela Jennings
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 — Lee-County, Mississippi
Open full size
1940 US Federal Census — Lee-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02042-00813)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gertrude Cummings | 36 | Wife | 60 | Mississippi |
| 42 | Henry Jennings | 20 | Son | Helper | Mississippi |
| 43 | Hubert Jennings | 43 | Head | Farmer | Mississippi |
| 44 | Elnora Jennings | 43 | Wife | — | Mississippi |
| 45 | Mary Magne Jennings THIS PERSON | 19 | Daughter | — | Mississippi |
| 46 | Thomas Jennings | 17 | Son | — | Mississippi |
| 47 | Robert Jennings | 16 | Son | — | Mississippi |
| 48 | Charles Jennings | 14 | Son | — | Mississippi |
| 49 | Mattie Jennings | 13 | Daughter | — | Mississippi |
| 50 | Bernice Jennings | 12 | Daughter | — | Mississippi |
| 51 | Richard Jennings | 10 | Son | — | Mississippi |
| 52 | Luela Jennings | 9 | Daughter | — | Mississippi |
| 53 | Allie Mae Jennings | 8 | Daughter | — | Mississippi |
| 54 | Clifford Jennings | 7 | Son | — | Mississippi |
| 55 | Robertson Jennings | 6 | Son | — | Mississippi |
| 56 | Robert Lee Price | 26 | Head | Farmer | Mississippi |
| 57 | Cleo Price | 24 | Wife | — | Mississippi |
| 58 | Bobbie Price | 4 | Son | — | Mississippi |
| 59 | Clytie Price | 2 | Daughter | — | Mississippi |
| 60 | Mabel Price | 0 | Daughter | — | Mississippi |
| 61 | R. L. Price | 48 | Head | Farmer | Mississippi |
| 62 | Dina Price | 45 | Wife | — | Mississippi |
| 63 | Hubert Price | 18 | Son | — | Mississippi |
| 64 | Elaine Price | 16 | Daughter | — | Mississippi |
| 65 | J. Y. Price | 13 | Son | — | Mississippi |
| 66 | Lucille Price | 12 | Daughter | — | Mississippi |
| 67 | Percy Price | 11 | Son | — | Mississippi |
| 68 | J. B. Price | 9 | Son | — | Mississippi |
| 69 | Merle Morris | 40 | Head | Farmer | Mississippi |
| 70 | Fannie Morris | 33 | Wife | — | Mississippi |
| 71 | Odesia Morris | 17 | Daughter | — | Mississippi |
| 72 | Albert Morris | 14 | Son | — | Mississippi |
| 73 | Ernest Morris | 14 | Son | — | Mississippi |
| 74 | Earlene Morris | 12 | Daughter | — | Mississippi |
| 75 | Catherine Morris | 10 | Daughter | — | Mississippi |
| 76 | Francis Morris | 9 | Daughter | — | Mississippi |
| 77 | George Morris | 6 | Son | — | Mississippi |
| 78 | John Will Morris | 4 | Son | — | Mississippi |
| 79 | Mae Carl Morris | 1 | Daughter | — | Mississippi |
| 80 | D. C. Lawhorn | 60 | Head | Farmer | Mississippi |
Related Census Records
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)