MS
Mary Simpson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bienville-County, Louisiana
Our Model Tree links this Mary Simpson across the 1930 and 1940 US Censuses in Bienville-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 11-person household.
Age 11
b. ~1929
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bienville-County, Louisiana |
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | In House |
| 1935 Residence (County) | Bienville |
| Additional Details | |
| Highest Grade | No 1 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 5 |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Robline Simpson | Daughter | — | 3 | ~1937 |
| Jimena Simpson | Daughter | — | 17 | ~1923 |
| Mary Simpson | Daughter | — | 11 | ~1929 |
| Willie Simpson | Daughter | — | 21 | ~1919 |
| Lilly Simpson | Daughter | — | 15 | ~1925 |
| Jw Simpson | Daughter | — | 9 | ~1931 |
| Clayton Simpson | Head | — | 39 | ~1901 |
| Ch Simpson | Son | — | 13 | ~1927 |
| Ca Simpson | Son | — | 19 | ~1921 |
| Albert Simpson | Son | — | 5 | ~1935 |
| Daisy Simpson | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Bienville, Louisiana
Daughter, age 1
Bienville, Louisiana · implied b. ~1929 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Bienville-County, Louisiana
Daughter, age 11
Bienville-County, Louisiana · implied b. ~1929 — 11 household members
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | In House |
| 1935 Residence (County) | Bienville |
| Highest Grade | No 1 |
| 1935 Residence | Louisiana |
| 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 Simpson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Simpson
Daughter · 1940 · age 11 · b. ~1929 · Louisiana
★ You are viewing this record
Sibling
Willie Simpson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jimena Simpson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Simpson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ch Simpson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lilly Simpson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robline Simpson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ca Simpson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jw Simpson
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 — Bienville-County, Louisiana
Open full size
1940 US Federal Census — Bienville-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01383-00644)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bettand | 2 | Son | — | Louisiana |
| 42 | Hallie Moncrief | 29 | Head | Farmer | Louisiana |
| 43 | Dovie Moncrief | 25 | Wife | — | Louisiana |
| 44 | Hallie Jr Moncrief | 2 | Son | — | Louisiana |
| 45 | Elizabeth Moncrief | 0 | Daughter | — | Louisiana |
| 46 | Ester Rhodes | 28 | Head | Farmer | Louisiana |
| 47 | Mary Ethel Rhodes | 29 | Wife | — | Louisiana |
| 48 | Clayton Simpson | 39 | Head | Farmer | Louisiana |
| 49 | Daisy Simpson | 40 | Wife | — | Louisiana |
| 50 | Willie Simpson | 21 | Daughter | Farm Laborer | Louisiana |
| 51 | C.A. Simpson | 19 | Son | Farm Laborer | Louisiana |
| 52 | Jimena Simpson | 17 | Daughter | Farm Laborer | Louisiana |
| 53 | Lilly Lee Simpson | 15 | Daughter | Farm Laborer | Louisiana |
| 54 | C.H. Simpson | 13 | Son | — | Louisiana |
| 55 | Mary Simpson THIS PERSON | 11 | Daughter | — | Louisiana |
| 56 | J.W. Simpson | 9 | Daughter | — | Louisiana |
| 57 | Albert Simpson | 5 | Son | — | Louisiana |
| 58 | Robline Simpson | 3 | Daughter | — | Louisiana |
| 59 | C.M. Carter | 49 | Head | Farmer | Louisiana |
| 60 | Hattie Lou Carter | 39 | Wife | — | Louisiana |
| 61 | Lois Neil Carter | 14 | Daughter | — | Louisiana |
| 62 | Carolyn Ann Carter | 13 | Daughter | — | Louisiana |
| 63 | Patsy Jane Carter | 12 | Daughter | — | Louisiana |
| 64 | Ollie Gibson | 22 | Head | Farm Laborer | Louisiana |
| 65 | Helen Gibson | 23 | Wife | — | Louisiana |
| 66 | Henry Gibson | 2 | Son | — | Louisiana |
| 67 | John Trafer | 27 | Head | Farmer | Louisiana |
| 68 | Dorothy Trafer | 22 | Wife | — | Texas |
| 69 | A.D. Chaper | 6 | Step son | — | Texas |
| 70 | May Mildred Chaper | 63 | Mother | — | Louisiana |
| 71 | Ollie Willis | 32 | Head | Farmer | Louisiana |
| 72 | Minnie Willis | 39 | Wife | — | Louisiana |
| 73 | Annie May Willis | 19 | Daughter | — | Louisiana |
| 74 | Rufus Willis | 16 | Son | — | Louisiana |
| 75 | Alcus Willis | 14 | Son | — | Louisiana |
| 76 | Gloria Willis | 7 | Daughter | — | Louisiana |
| 77 | Lernine Lee Willis | 5 | Daughter | — | Louisiana |
| 78 | Bobbie Gene Willis | 3 | Daughter | — | Louisiana |
| 79 | Jack Fisher | 61 | Head | Farmer | Louisiana |
| 80 | Maud Fisher | 60 | Wife | — | 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)