MR
Martha Richardson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Richland-County, South Carolina
Our Model Tree links this Martha Richardson across the 1930 and 1940 US Censuses in Richland-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, South Carolina |
| Surname | Richardson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Lykesland School District |
| 1935 Residence (County) | Richland |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Lykesland School District |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha Richardson | Other | — | 50 | ~1890 |
| Samme Richardson | Son | — | 3 | ~1937 |
| Daisy Richardson | Daughter | — | 5 | ~1935 |
| Martha Richardson | Daughter | — | 11 | ~1929 |
| Jessie Richardson | Daughter | — | 8 | ~1932 |
| Clara Richardson | Spouse | — | 38 | ~1902 |
| Nina Richardson | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Richland, South …
Other, age
Richland, South Carolina · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Martha |
| Relationship to Head | Grand Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Richland-County, South …
Daughter, age 11
Richland-County, South Carolina · implied b. ~1929 — 7 household members
| Surname | Richardson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Lykesland School District |
| 1935 Residence (County) | Richland |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| 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 Martha Richardson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Richardson
Daughter · 1940 · age 11 · b. ~1929 · South Carolina
★ You are viewing this record
Sibling
Nina Richardson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daisy Richardson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samme Richardson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Richardson
Sibling · 1940 · age 8
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 — Richland-County, South Carolina
Open full size
1940 US Federal Census — Richland-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03834-00549)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clara Richardson | 38 | Wife | — | South Carolina |
| 42 | Martha Richardson THIS PERSON | 11 | Daughter | — | South Carolina |
| 43 | Nina M Richardson | 9 | Daughter | — | South Carolina |
| 44 | Jessie Belle Richardson | 8 | Daughter | — | South Carolina |
| 45 | Daisy Richardson | 5 | Daughter | — | South Carolina |
| 46 | Samme Richardson | 3 | Son | — | South Carolina |
| 47 | Martha Richardson | 50 | Mother | — | South Carolina |
| 48 | Rosa Chandler | 77 | Head | — | South Carolina |
| 49 | Ola Jackson | 36 | Daughter | Laborer | South Carolina |
| 50 | Beatrice William | 28 | Daughter | — | South Carolina |
| 51 | Amos Parker | 45 | Head | Farmer | South Carolina |
| 52 | Alberta Parker | 40 | Wife | — | South Carolina |
| 53 | Charlotte Parker | 14 | Daughter | — | South Carolina |
| 54 | Pauline Parker | 11 | Daughter | — | South Carolina |
| 55 | Andrew Parker | 15 | Son | Laborer | South Carolina |
| 56 | Albert Parker | 9 | Son | — | South Carolina |
| 57 | Milton Parker | 8 | Son | — | South Carolina |
| 58 | Alberta Parker | 4 | Daughter | — | South Carolina |
| 59 | Jc Parker | 3 | Son | — | South Carolina |
| 60 | Daniel Parker | 0 | Son | — | South Carolina |
| 61 | John Bell | 39 | Head | Farmer | South Carolina |
| 62 | Fannie Bell | 59 | Wife | — | South Carolina |
| 63 | Reel Richardson | 29 | Head | Laborer | South Carolina |
| 64 | Nancy Richardson | 28 | Wife | — | South Carolina |
| 65 | Isaac Richardson | 6 | Son | — | South Carolina |
| 66 | Preston Richardson | 5 | Son | — | South Carolina |
| 67 | Martha A Richardson | 4 | Daughter | — | South Carolina |
| 68 | Naomi Richardson | 0 | Daughter | — | South Carolina |
| 69 | Dolly Ann Richardson | 2 | Daughter | — | South Carolina |
| 70 | Bud Richardson | 5 | Son | — | South Carolina |
| 71 | Ernest Richardson | 2 | Son | — | South Carolina |
| 72 | Hampton Danley | 70 | Head | Farmer | South Carolina |
| 73 | Richard Chandler | 24 | Head | Laborer | South Carolina |
| 74 | Marie Chandler | 22 | Wife | — | South Carolina |
| 75 | Richard Chandler | 2 | Son | — | South Carolina |
| 76 | Charlie E Chandler | 0 | Son | — | South Carolina |
| 77 | Thomas Cunningham | 53 | Head | Well Driller | South Carolina |
| 78 | Anna Lee Cunningham | 44 | Wife | — | South Carolina |
| 79 | Pauline Cunningham | 15 | Daughter | — | South Carolina |
| 80 | Callie Cunningham | 12 | Daughter | — | 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)