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Mary Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caddo-County, Louisiana
Our Model Tree links this Mary Mason across the 1930 and 1940 US Censuses in Caddo-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Louisiana |
| Surname | Mason |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 4 |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Highest Grade | S 3 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Police Jury Ward 4 |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Frances Mason | Daughter | — | 5 | ~1935 |
| Mary Mason | Daughter | — | 12 | ~1928 |
| Mae Mason | Daughter | — | 2 | ~1938 |
| Gene Mason | Daughter | — | 3 | ~1937 |
| Bessie Mason | Daughter | — | 10 | ~1930 |
| Rosaline Mason | Daughter | — | 14 | ~1926 |
| Catherine Mason | Daughter | — | 15 | ~1925 |
| Grover Mason | Head | — | 47 | ~1893 |
| Blanchard Mason | Son | — | 9 | ~1931 |
| Clay Mason | Son | — | ~1940 | |
| Jane Mason | Son | — | 7 | ~1933 |
Census Appearances
1930
Caddo, Louisiana
Daughter, age
Caddo, Louisiana · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Caddo-County, Louisiana
Daughter, age 12
Caddo-County, Louisiana · implied b. ~1928 — 11 household members
| Surname | Mason |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 4 |
| 1935 Residence (County) | Caddo |
| Highest Grade | S 3 |
| 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 Mason across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mason
Daughter · 1940 · age 12 · b. ~1928 · Louisiana
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Sibling
Mae Mason
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gene Mason
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clay Mason
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosaline Mason
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Mason
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mason
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Mason
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanchard Mason
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Mason
Sibling · 1940 · age 7
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 — Caddo-County, Louisiana
Open full size
1940 US Federal Census — Caddo-County, Louisiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01388-00906)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Grover Mason | 47 | Head | Yard Laborer | Louisiana |
| 42 | Catherine Mason | 15 | Daughter | — | Louisiana |
| 43 | Rosaline Mason | 14 | Daughter | — | Louisiana |
| 44 | Mary J. Mason THIS PERSON | 12 | Daughter | — | Louisiana |
| 45 | Bessie Mason | 10 | Daughter | — | Louisiana |
| 46 | Blanchard Mason | 9 | Son | — | Louisiana |
| 47 | Jane Mason | 7 | Son | — | Louisiana |
| 48 | Frances Mason | 5 | Daughter | — | Louisiana |
| 49 | Gene A. Mason | 3 | Daughter | — | Louisiana |
| 50 | Mae Mason | 2 | Daughter | — | Louisiana |
| 51 | Clay Mason | 0 | Son | — | Louisiana |
| 52 | William D. Watkins | 27 | Head | Caretaker | Georgia |
| 53 | Bennie Watkins | 20 | Wife | — | Louisiana |
| 55 | James M. Orr | 48 | Head | Stillman | Louisiana |
| 56 | Zeta Orr | 38 | Wife | — | Tennessee |
| 57 | Mary L. Orr | 17 | Daughter | Saleslady | Louisiana |
| 58 | Wilhelmina Orr | 14 | Daughter | — | Louisiana |
| 59 | Alie E. Forshee | 36 | Head | Stillman | Arkansas |
| 60 | Pearl Forshee | 28 | Wife | — | Louisiana |
| 61 | Alie E. Jr. Forshee | 14 | Son | — | Louisiana |
| 62 | Evelyn Forshee | 12 | Daughter | — | Louisiana |
| 63 | Mary E. Forshee | 10 | Daughter | — | Louisiana |
| 64 | Peggy R. Forshee | 6 | Daughter | — | Louisiana |
| 65 | Martha Forshee | 3 | Daughter | — | Louisiana |
| 66 | William C. Watson | 53 | Head | Houseman | Mississippi |
| 67 | Mammie Watson | 48 | Wife | — | Louisiana |
| 68 | Billy Watson | 18 | Son | — | Louisiana |
| 69 | Susie Watson | 14 | Daughter | — | Louisiana |
| 70 | Morton Bienvenu | 41 | Head | Oil Treater | Louisiana |
| 71 | Bessie Bienvenu | 41 | Wife | — | Louisiana |
| 72 | Alan Bienvenu | 19 | Son | — | Louisiana |
| 73 | Bessie Bienvenu | 18 | Daughter | — | Louisiana |
| 74 | Pearl Bienvenu | 16 | Daughter | — | Louisiana |
| 75 | Morton Jr. Bienvenu | 14 | Son | — | Louisiana |
| 76 | Ruth Bienvenu | 10 | Daughter | — | Louisiana |
| 77 | Hampton A. Mcwhorter | 60 | Head | Boiler Fireman | Louisiana |
| 78 | Ruby Mcwhorter | 38 | Wife | — | Louisiana |
| 79 | Sybil Cortez | 20 | Daughter | Cashier | Louisiana |
| 80 | James E. Cortez | 25 | Son-in-law | — | 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)