MK
Mattie King — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bolivar-County, Mississippi
Our Model Tree links this Mattie King across the 1930 and 1940 US Censuses in Bolivar-County, Mississippi (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bolivar-County, Mississippi |
| Surname | King |
| Given Name | Mattie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Bolivar |
| Additional Details | |
| Highest Grade | No 1 |
| 1935 Residence | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Beat 3 |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mattie | Age | Birth yr |
|---|---|---|---|---|
| David King | Son | — | 9 | ~1931 |
| Mattie King | Daughter | — | 15 | ~1925 |
| Robert King | Son | — | 10 | ~1930 |
| Herman King | Son | — | 13 | ~1927 |
| Ethel King | Spouse | — | 39 | ~1901 |
| Joseph King | Son | — | 17 | ~1923 |
| Robert King | Head | — | 42 | ~1898 |
| Artie King | Son | — | 19 | ~1921 |
Census Appearances
1930
Sunflower, Mississippi
Daughter, age 6
Sunflower, Mississippi · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Mattie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Alabama |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Bolivar-County, Mississippi
Daughter, age 15
Bolivar-County, Mississippi · implied b. ~1925 — 8 household members
| Surname | King |
| Given Name | Mattie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Bolivar |
| Highest Grade | No 1 |
| 1935 Residence | Mississippi |
| 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 Mattie King across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mattie King
Daughter · 1940 · age 15 · b. ~1925 · Mississippi
★ You are viewing this record
Sibling
Robert King
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Artie King
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph King
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David King
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman King
Sibling · 1940 · age 13
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 — Bolivar-County, Mississippi
Open full size
1940 US Federal Census — Bolivar-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02010-00011)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leonett Hudson | 27 | Head | Farmer | Mississippi |
| 42 | Henrietta Hudson | 22 | Wife | Farm Laborer | Mississippi |
| 43 | Eddie Briggs | 39 | Head | Farmer | Mississippi |
| 44 | Ida Briggs | 35 | Wife | Farm Laborer | Mississippi |
| 45 | Samuel Briggs | 15 | Son | Farm Laborer | Mississippi |
| 46 | Nathaniel Briggs | 12 | Son | — | Mississippi |
| 47 | Frank Briggs | 10 | Son | — | Mississippi |
| 48 | Odessa Briggs | 8 | Daughter | — | Mississippi |
| 49 | Eddie Mae Briggs | 5 | Daughter | — | Mississippi |
| 50 | Eddie, Jr Briggs | 4 | Son | — | Mississippi |
| 51 | Jessie Briggs | 3 | Son | — | Mississippi |
| 52 | James Briggs | 1 | Son | — | Mississippi |
| 53 | Will Perry | 55 | Head | Farmer | Mississippi |
| 54 | Mattie Pearl Perry | 49 | Wife | Farm Laborer | Mississippi |
| 55 | Rosie Lee Perry | 14 | Daughter | Farm Laborer | Mississippi |
| 56 | Isaac Perry | 8 | Son | — | Mississippi |
| 57 | Louis Thomas | 56 | Head | Farmer | Mississippi |
| 58 | Rebecca Thomas | 34 | Wife | Farm Laborer | Mississippi |
| 59 | Robert King | 42 | Head | Farmer | Mississippi |
| 60 | Ethel King | 39 | Wife | Farm Laborer | Alabama |
| 61 | Artie King | 19 | Son | Farm Laborer | Mississippi |
| 62 | Joseph King | 17 | Son | Farm Laborer | Mississippi |
| 63 | Mattie King THIS PERSON | 15 | Daughter | — | Mississippi |
| 64 | Herman King | 13 | Son | — | Mississippi |
| 65 | Robert, Jr King | 10 | Son | — | Mississippi |
| 66 | David King | 9 | Son | — | Mississippi |
| 67 | John Slaughter | 63 | Head | Farmer | Georgia |
| 68 | Dora Slaughter | 44 | Wife | Farm Laborer | Alabama |
| 69 | Lawyer Rogers | 45 | Head | Farmer | Mississippi |
| 70 | Henrietta Rogers | 41 | Wife | Farm Laborer | Mississippi |
| 71 | Ethel Russell | 45 | Head | Farm Laborer | Mississippi |
| 72 | A. C. Russell | 18 | Son | Farm Laborer | Mississippi |
| 73 | A. D. Russell | 12 | Son | — | Mississippi |
| 74 | Harry Howe | 72 | Head | Clerk | New York |
| 75 | Maria Howe | 62 | Wife | — | Cuba |
| 76 | Irene Ruth Howe | 13 | Daughter | — | Mississippi |
| 77 | Bill William Howe | 12 | Son | — | Mississippi |
| 78 | Ed, Jr Britton | 37 | Head | Farmer | Alabama |
| 79 | Nancy Britton | 28 | Wife | Farm Laborer | Mississippi |
| 80 | Eliza Smith | 41 | Head | Farmer | 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)