WC
William Cunningham — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mccormick-County, South Carolina
Our Model Tree links this William Cunningham across the 1930 and 1940 US Censuses in Mccormick-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mccormick-County, South Carolina |
| Surname | Cunningham |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Edgefield Township |
| 1935 Residence (County) | McCormick |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 40 |
| Highest Grade | 3 |
| 1935 Residence | Same house |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Edgefield 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Emma Cunningham | Daughter | — | 10 | ~1930 |
| Cora Cunningham | Daughter | — | 12 | ~1928 |
| Verdelle Cunningham | Daughter | — | 2 | ~1938 |
| Louise Cunningham | Daughter | — | 18 | ~1922 |
| Bertha Cunningham | Daughter | — | 6 | ~1934 |
| John Cunningham | Head | — | 43 | ~1897 |
| Arthur Cunningham | Son | — | 19 | ~1921 |
| Eugene Cunningham | Son | — | 16 | ~1924 |
| Charles Cunningham | Son | — | 2 | ~1938 |
| William Cunningham | Son | — | 14 | ~1926 |
| Bertha Cunningham | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Mccormick, South …
Son, age 4
Mccormick, South Carolina · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Mccormick-County, South …
Son, age 14
Mccormick-County, South Carolina · implied b. ~1926 — 11 household members
| Surname | Cunningham |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Edgefield Township |
| 1935 Residence (County) | McCormick |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 40 |
| Highest Grade | 3 |
| 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 William Cunningham across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Cunningham
Son · 1940 · age 14 · b. ~1926 · South Carolina
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Sibling
Eugene Cunningham
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verdelle Cunningham
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Cunningham
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cora Cunningham
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Cunningham
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Cunningham
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Cunningham
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Cunningham
Sibling · 1940 · age 18
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 — Mccormick-County, South Carolina
Open full size
1940 US Federal Census — Mccormick-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03824-00110)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Calvin Morton | 9 | Son | — | South Carolina |
| 2 | Allen Morton | 7 | Son | — | South Carolina |
| 3 | Ella R Morton | 5 | Daughter | — | South Carolina |
| 4 | Josephine Morton | 3 | Daughter | — | South Carolina |
| 5 | Evan M Morgan | 46 | Head | Farmer | South Carolina |
| 6 | Alma Morgan | 40 | Wife | — | South Carolina |
| 7 | Raymond Morgan | 18 | Son | — | South Carolina |
| 8 | William D Morgan | 12 | Son | — | South Carolina |
| 9 | Whit Cunningham | 53 | Head | Farmer | South Carolina |
| 10 | Rosa L Cunningham | 49 | Wife | — | South Carolina |
| 11 | Gabe Cunningham | 20 | Son | Laborer | South Carolina |
| 12 | W F Cunningham | 18 | Son | Laborer | South Carolina |
| 13 | Hattie L Cunningham | 17 | Daughter | — | South Carolina |
| 14 | Clara Cunningham | 15 | Daughter | — | South Carolina |
| 15 | Clarence Cunningham | 15 | Son | — | South Carolina |
| 16 | Clement Cunningham | 12 | Son | — | South Carolina |
| 17 | Clement Cunningham | 7 | Son | — | South Carolina |
| 18 | Rosa Lee Cunningham | 5 | Daughter | — | South Carolina |
| 19 | John Cunningham | 43 | Head | Farmer | South Carolina |
| 20 | Bertha Cunningham | 42 | Wife | — | South Carolina |
| 21 | Arthur Cunningham | 19 | Son | Laborer | South Carolina |
| 22 | Louise Cunningham | 18 | Daughter | — | South Carolina |
| 23 | Eugene Cunningham | 16 | Son | Laborer | South Carolina |
| 24 | William Cunningham THIS PERSON | 14 | Son | Laborer | South Carolina |
| 25 | Cora B Cunningham | 12 | Daughter | — | South Carolina |
| 26 | Emma L Cunningham | 10 | Daughter | — | South Carolina |
| 27 | Bertha L Cunningham | 6 | Daughter | — | South Carolina |
| 28 | Verdelle Cunningham | 2 | Daughter | — | South Carolina |
| 29 | Charles Cunningham | 2 | Son | — | South Carolina |
| 30 | Daniel Cunningham | 26 | Head | Laborer | South Carolina |
| 31 | Minnie Cunningham | 28 | Wife | — | South Carolina |
| 32 | James Cunningham | 6 | Son | — | South Carolina |
| 33 | Billou Cunningham | 3 | Son | — | South Carolina |
| 34 | Finch Cunningham | 3 | Daughter | — | South Carolina |
| 35 | Elliot Cunningham | 1 | Son | — | South Carolina |
| 36 | Walter Cunningham | 12 | Son | — | South Carolina |
| 37 | Emma Cunningham | 75 | Mother | — | South Carolina |
| 38 | Kallie Cunningham | 30 | Cousin | Laborer | South Carolina |
| 39 | Harroway Cunningham | 37 | Head | Farmer | South Carolina |
| 40 | Mary E Cunningham | 38 | 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)