IR
Ida Robinson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Williamsburg-County, South Carolina
Our Model Tree links this Ida Robinson across the 1930 and 1940 US Censuses in Williamsburg-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Williamsburg-County, South Carolina |
| Surname | Robinson |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Anderson Township |
| 1935 Residence (County) | Williamsburg |
| Additional Details | |
| Income (1939) | 400 |
| Highest Grade | Hs 5 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Anderson Township |
| Est. Birth Year | ~1926 |
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 Ida | Age | Birth yr |
|---|---|---|---|---|
| Rudolph Robinson | Son | — | 12 | ~1928 |
| Mary Robinson | Daughter | — | 8 | ~1932 |
| Will Robinson | Daughter | — | 2 | ~1938 |
| Fred Robinson | Son | — | 17 | ~1923 |
| Alice Robinson | Daughter | — | 6 | ~1934 |
| Joseph Robinson | Head | — | 37 | ~1903 |
| Lila Robinson | Spouse | — | 34 | ~1906 |
| Ida Robinson | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Williamsburg, South …
Daughter, age 4
Williamsburg, South Carolina · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| 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
Williamsburg-County, South …
Daughter, age 14
Williamsburg-County, South Carolina · implied b. ~1926 — 8 household members
| Surname | Robinson |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Anderson Township |
| 1935 Residence (County) | Williamsburg |
| Income (1939) | 400 |
| Highest Grade | Hs 5 |
| 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 Ida Robinson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Robinson
Daughter · 1940 · age 14 · b. ~1926 · South Carolina
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Sibling
Mary Robinson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Robinson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Will Robinson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Robinson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rudolph Robinson
Sibling · 1940 · age 12
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 — Williamsburg-County, South Carolina
Open full size
1940 US Federal Census — Williamsburg-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03844-00315)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Giddeon Bryant | 52 | Son | Tie Cutter | South Carolina |
| 42 | Mack Robinson | 34 | Head | Operator | South Carolina |
| 43 | Ida Robinson | 31 | Wife | — | South Carolina |
| 44 | Pattie Robinson | 16 | Daughter | Washing | South Carolina |
| 45 | David Robinson | 13 | Son | — | South Carolina |
| 46 | Henry Robinson | 11 | Nephew | — | South Carolina |
| 47 | Viola Robinson | 9 | Daughter | — | South Carolina |
| 48 | Franklin Robinson | 7 | Son | — | South Carolina |
| 49 | Richard Robinson | 5 | Son | — | South Carolina |
| 50 | Herbert Robinson | 3 | Son | — | South Carolina |
| 51 | Nathan Robinson | 28 | Head | Truck Driver | South Carolina |
| 52 | Gallie Robinson | 27 | Wife | — | South Carolina |
| 53 | Nathan Jr. Robinson | 5 | Son | — | South Carolina |
| 54 | Ruth Robinson | 3 | Daughter | — | South Carolina |
| 55 | Theresa Robinson | 2 | Son | — | South Carolina |
| 56 | Richard Robinson | 30 | Head | Farm Laborer | South Carolina |
| 57 | Joseph Robinson | 37 | Head | Operator | South Carolina |
| 58 | Lila Robinson | 34 | Wife | — | South Carolina |
| 59 | Fred Robinson | 17 | Son | Plow Boy | South Carolina |
| 60 | Ida Robinson THIS PERSON | 14 | Daughter | — | South Carolina |
| 61 | Rudolph Robinson | 12 | Son | — | South Carolina |
| 62 | Mary Ann Robinson | 8 | Daughter | — | South Carolina |
| 63 | Alice Robinson | 6 | Daughter | — | South Carolina |
| 64 | Will Robinson | 2 | Daughter | — | South Carolina |
| 65 | Richard Smith | 41 | Head | Carp Helper | South Carolina |
| 66 | Etta Smith | 42 | Wife | — | South Carolina |
| 67 | Helen Louise Smith | 18 | Daughter | — | South Carolina |
| 68 | Genelle Smith | 17 | Daughter | — | South Carolina |
| 69 | Willie Campbell | 31 | Head | Farm Helper | South Carolina |
| 70 | Lily Campbell | 34 | Wife | — | South Carolina |
| 71 | William Hannah | 34 | Head | Operator | South Carolina |
| 72 | Mary Hannah | 23 | Wife | — | South Carolina |
| 73 | Clemson Hannah | 9 | Son | — | South Carolina |
| 74 | Martha Hannah | 7 | Daughter | — | South Carolina |
| 75 | Lillian Hannah | 4 | Daughter | — | South Carolina |
| 76 | Katie Hannah | 2 | Daughter | — | South Carolina |
| 77 | Lucile Hannah | 0 | Daughter | — | South Carolina |
| 78 | Perry Hannah | 15 | Son | — | South Carolina |
| 79 | Joe Mcknight | 29 | Head | Operator | South Carolina |
| 80 | Maude Mcknight | 22 | Wife | — | 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)