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Mattie Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clarendon-County, South Carolina
Our Model Tree links this Mattie Brown across the 1930 and 1940 US Censuses in Clarendon-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 11-person household.
Age 30
b. ~1910
Female
Daughter
Born: South Carolina
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Clarendon-County, South Carolina |
| Surname | Brown |
| Given Name | Mattie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Separated |
| Birthplace | South Carolina |
| 1935 Residence (City) | Manning Township |
| 1935 Residence (County) | Clarendon |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Manning Township |
| Est. Birth Year | ~1910 |
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 Mattie | Age | Birth yr |
|---|---|---|---|---|
| Mary Brown | Daughter | — | 9 | ~1931 |
| Mary Brown | Daughter | — | 5 | ~1935 |
| Gertrude Brown | Daughter | — | 1 | ~1939 |
| Carrie Brown | Daughter | — | 16 | ~1924 |
| Linnie Brown | Daughter | — | 3 | ~1937 |
| Mattie Brown | Daughter | — | 30 | ~1910 |
| Lois Brown | Daughter | — | 17 | ~1923 |
| William Brown | Head | — | 67 | ~1873 |
| Wilson Brown | Son | — | 20 | ~1920 |
| Bill Brown | Son | — | 10 | ~1930 |
| Hester Brown | Spouse | — | 60 | ~1880 |
Census Appearances
1930
Darlington, South …
Spouse, age 20
Darlington, South Carolina · implied b. ~1910 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Mattie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 18 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Clarendon-County, South …
Daughter, age 30
Clarendon-County, South Carolina · implied b. ~1910 — 11 household members
| Surname | Brown |
| Given Name | Mattie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Separated |
| Birthplace | South Carolina |
| 1935 Residence (City) | Manning Township |
| 1935 Residence (County) | Clarendon |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mattie Brown
Daughter · 1940 · age 30 · b. ~1910 · South Carolina
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Sibling
Carrie Brown
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilson Brown
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Brown
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bill Brown
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Brown
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Brown
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Brown
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Linnie Brown
Sibling · 1940 · age 3
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 — Clarendon-County, South Carolina
Open full size
1940 US Federal Census — Clarendon-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03800-00408)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marion (X) James | 38 | Head | Laborer | South Carolina |
| 2 | Clara James | 30 | Wife | — | South Carolina |
| 3 | William (X) Brown | 67 | Head | Farmer | South Carolina |
| 4 | Hester Brown | 60 | Wife | — | South Carolina |
| 5 | Mattie Brown THIS PERSON | 30 | Daughter | Laborer | South Carolina |
| 6 | Wilson Brown | 20 | Son | Laborer | South Carolina |
| 7 | Lois Brown | 17 | Daughter | — | South Carolina |
| 8 | Carrie Brown | 16 | Daughter | — | South Carolina |
| 9 | Bill Brown | 10 | Son | — | South Carolina |
| 10 | Mary Brown | 9 | Daughter | — | South Carolina |
| 11 | Mary Lou Brown | 5 | Daughter | — | South Carolina |
| 12 | Linnie Brown | 3 | Daughter | — | South Carolina |
| 13 | Gertrude Brown | 1 | Daughter | — | South Carolina |
| 14 | Joe (X) Brown | 25 | Head | Carpenter | South Carolina |
| 15 | Katie Brown | 30 | Wife | — | South Carolina |
| 16 | Lucile Brown | 7 | Daughter | — | South Carolina |
| 17 | Cherrie Brown | 6 | Daughter | — | South Carolina |
| 18 | Harmon Brown | 5 | Son | — | South Carolina |
| 19 | Sol (X) Belton | 25 | Head | Farmer | South Carolina |
| 20 | Clottie Belton | 22 | Wife | — | South Carolina |
| 21 | Maud Belton | 12 | Daughter | Farmer | South Carolina |
| 22 | Eugenia Belton | 16 | Daughter | — | South Carolina |
| 23 | Zalman Belton | 15 | Son | — | South Carolina |
| 24 | Willie Belton | 14 | Son | — | South Carolina |
| 25 | Edward Belton | 12 | Son | — | South Carolina |
| 26 | Leroy Belton | 5 | Son | — | South Carolina |
| 27 | Dorothy Belton | 2 | Daughter | — | South Carolina |
| 28 | Isaac (X) Lawson | 37 | Head | Laborer | South Carolina |
| 29 | Ira Lawson | 35 | Wife | Laborer | South Carolina |
| 30 | Jessie Lawson | 18 | Daughter | — | South Carolina |
| 31 | Alma Lawson | 14 | Daughter | — | South Carolina |
| 32 | James Lawson | 1 | Son | — | South Carolina |
| 33 | Hester (X) Walker | 42 | Head | Farmer | South Carolina |
| 34 | Anna Walker | 22 | Daughter | — | South Carolina |
| 35 | Joseph Walker | 16 | Son | Laborer | South Carolina |
| 36 | Lottie Walker | 15 | Daughter | — | South Carolina |
| 37 | Clara Walker | 11 | Son | — | South Carolina |
| 38 | Sylvester (X) Walker | 24 | Head | Farmer | South Carolina |
| 39 | Eliza Walker | 22 | Wife | — | South Carolina |
| 40 | Ely Jenkins | 33 | Head | Farmer | South Carolina |
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)