MJ
Mary Jennings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tangipahoa-County, Louisiana
Our Model Tree links this Mary Jennings across the 1930 and 1940 US Censuses in Tangipahoa-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tangipahoa-County, Louisiana |
| Surname | Jennings |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 7 |
| 1935 Residence (County) | Tangipahoa |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 50 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 7 |
| Est. Birth Year | ~1923 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jeanette Jennings | Daughter | — | 19 | ~1921 |
| Maude Jennings | Daughter | — | 13 | ~1927 |
| Doris Jennings | Daughter | — | 6 | ~1934 |
| Rosemary Jennings | Daughter | — | 2 | ~1938 |
| Mary Jennings | Daughter | — | 17 | ~1923 |
| John Jennings | Head | — | 74 | ~1866 |
| H Jennings | Son | — | 8 | ~1932 |
| Clarence Jennings | Son | — | 4 | ~1936 |
| Wilmer Jennings | Son | — | 23 | ~1917 |
| Clement Jennings | Son | — | 9 | ~1931 |
| Bertha Jennings | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Tangipahoa, Louisiana
Daughter, age 11
Tangipahoa, Louisiana · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Tangipahoa-County, Louisiana
Daughter, age 17
Tangipahoa-County, Louisiana · implied b. ~1923 — 11 household members
| Surname | Jennings |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 7 |
| 1935 Residence (County) | Tangipahoa |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 50 |
| Highest Grade | No 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 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 17 · b. ~1923 · Louisiana
★ You are viewing this record
Sibling
Wilmer Jennings
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Jennings
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Jennings
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Jennings
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clement Jennings
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
H Jennings
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maude Jennings
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Jennings
Sibling · 1940 · age 2
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 — Tangipahoa-County, Louisiana
Open full size
1940 US Federal Census — Tangipahoa-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01457-00348)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maggie Murray | 16 | Daughter | — | Louisiana |
| 2 | Boyd W. Murray | 14 | Son | — | Louisiana |
| 3 | Johnny Murray | 12 | Son | — | Louisiana |
| 4 | Carrie Murray | 9 | Daughter | — | Louisiana |
| 5 | Robert Murray | 7 | Son | — | Louisiana |
| 6 | John Jennings | 74 | Head | Farmer | Louisiana |
| 7 | Bertha Jennings | 49 | Wife | — | Louisiana |
| 8 | Wilmer Jennings | 23 | Son | Laborer | Louisiana |
| 9 | Jeanette Jennings | 19 | Daughter | — | Louisiana |
| 10 | Mary F. Jennings THIS PERSON | 17 | Daughter | — | Louisiana |
| 11 | Maude Jennings | 13 | Daughter | — | Louisiana |
| 12 | Clement Jennings | 9 | Son | — | Louisiana |
| 13 | H. P. Jennings | 8 | Son | — | Louisiana |
| 14 | Doris Jennings | 6 | Daughter | — | Louisiana |
| 15 | Clarence Jennings | 4 | Son | — | Louisiana |
| 16 | Rosemary Jennings | 2 | Daughter | — | Louisiana |
| 17 | Extra Line | None | — | — | — |
| 18 | Harvey Richardson | 36 | Head | Deliveryman | Louisiana |
| 19 | Laura Richardson | 25 | Wife | — | Mississippi |
| 20 | Marguerite Richardson | 9 | Daughter | — | Louisiana |
| 21 | Harvey Jr. Richardson | 7 | Son | — | Louisiana |
| 22 | Fred Tate | 56 | Head | Farmer | Louisiana |
| 23 | Clementine Tate | 52 | Wife | — | Louisiana |
| 24 | Alonzo White | 37 | Head | Truck Driver | Louisiana |
| 25 | Jessie White | 35 | Wife | — | Mississippi |
| 26 | Joseph Latham | 17 | Boarder | — | Louisiana |
| 27 | Silas Tate | 54 | Lodger | Laborer | Louisiana |
| 28 | Joseph Landry | 27 | Head | Farmer | Louisiana |
| 29 | Alice Landry | 24 | Wife | — | Louisiana |
| 30 | Spencer Landry | 4 | Son | — | Louisiana |
| 31 | Daniel Huggins | 55 | Head | Farmer | Louisiana |
| 32 | Mary Huggins | 53 | Wife | — | Louisiana |
| 33 | Clarence Tucker | 46 | Head | Farmer | Louisiana |
| 34 | Bertha Tucker | 42 | Daughter | — | Louisiana |
| 35 | Lester Tucker | 14 | Son | Laborer | Louisiana |
| 36 | Robert Tucker | 15 | Son | — | Louisiana |
| 37 | Aline Tucker | 12 | Daughter | — | Louisiana |
| 38 | Doris Tucker | 10 | Daughter | — | Louisiana |
| 39 | Harold Tucker | 8 | Son | — | Louisiana |
| 40 | Lawrence Tucker | 6 | Son | — | Louisiana |
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)