WM
William Mack — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Richland-County, South Carolina
Our Model Tree links this William Mack across the 1920, 1930 and 1940 US Censuses in Richland-County, South Carolina (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 4-person household.
Age 58
b. ~1882
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, South Carolina |
| Surname | Mack |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 58 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Richland |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 130 |
| Highest Grade | No 4 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farmer |
| Township / Ward | Hopkins |
| Est. Birth Year | ~1882 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Matilda Mack | Spouse | — | 54 | ~1886 |
| William Mack | Head | — | 58 | ~1882 |
| Annie Mack | Daughter | — | 15 | ~1925 |
| James Mack | Other | — | 7 | ~1933 |
Census Appearances
1920
Orangeburg, South …
Head, age 39
Orangeburg, South Carolina · implied b. ~1881 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | Willie |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Orangeburg, South …
Head, age 49
Orangeburg, South Carolina · implied b. ~1881 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 49 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 21 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Richland-County, South …
Head, age 58
Richland-County, South Carolina · implied b. ~1882 — 4 household members
| Surname | Mack |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 58 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Richland |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 130 |
| Highest Grade | No 4 |
| 1935 Residence | South Carolina |
| 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 Mack across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Mack
Head · 1940 · age 58 · b. ~1882 · South Carolina
★ You are viewing this record
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-t0627-03834-00583)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eddie D. Fraglier | 68 | Head | — | South Carolina |
| 2 | Amanda Ballance | 61 | Sister | Seamstress | South Carolina |
| 3 | Sallie Kearse | 36 | Head | Laborer | South Carolina |
| 4 | Carrie Kearse | 15 | Daughter | Laborer | South Carolina |
| 5 | James Kearse | 14 | Son | — | South Carolina |
| 6 | Lucille C. Paul | 30 | Head | Seamstress | South Carolina |
| 7 | Jack Paul | 12 | Son | — | South Carolina |
| 8 | Annie Paul | 9 | Daughter | — | South Carolina |
| 9 | Nita Paul | 5 | Daughter | — | South Carolina |
| 10 | Eudora Paul | 3 | Daughter | — | South Carolina |
| 11 | John J. Junkett | 38 | Head | Salesman | South Carolina |
| 12 | Eva May Junkett | 34 | Wife | — | South Carolina |
| 13 | Marylyn Sue Junkett | 16 | Daughter | — | South Carolina |
| 14 | James M. Junkett | 12 | Son | — | South Carolina |
| 15 | Janie Junkett | 6 | Daughter | — | South Carolina |
| 16 | Sarah Junkett | 4 | Daughter | — | South Carolina |
| 17 | Preston Howell | 39 | Head | Farmer | South Carolina |
| 18 | Creola Howell | 38 | Wife | — | South Carolina |
| 19 | Clerion Howell | 19 | Son | Laborer | South Carolina |
| 20 | Carrie Howell | 13 | Daughter | — | South Carolina |
| 21 | Jannie Lee Howell | 7 | Daughter | — | South Carolina |
| 22 | Jessie O. Howell | 5 | Son | — | South Carolina |
| 23 | Willie Howell | 2 | Daughter | — | South Carolina |
| 24 | John Goodson | 65 | Head | Farmer | South Carolina |
| 25 | Louise Goodson | 49 | Wife | — | South Carolina |
| 26 | Henry F. Goodson | 16 | Son | Laborer | South Carolina |
| 27 | Joan Goodson | 10 | Daughter | — | South Carolina |
| 28 | Pleasant Goodson | 8 | Son | — | South Carolina |
| 29 | Priscilla Goodson | 7 | Daughter | — | South Carolina |
| 30 | Hermance Goodson | 2 | Daughter | — | South Carolina |
| 31 | Anna Sims | 86 | Mother | — | South Carolina |
| 32 | John Reese | 66 | Head | Water Carrier | South Carolina |
| 33 | Elizabeth Reese | 49 | Wife | — | Georgia |
| 34 | William Mack THIS PERSON | 58 | Head | Farmer | South Carolina |
| 35 | Matilda Mack | 54 | Wife | Laborer | South Carolina |
| 36 | Annie Mae Mack | 15 | Daughter | — | South Carolina |
| 37 | James L. Mack | 7 | Grand-son | — | South Carolina |
| 38 | Eliza Barker | 48 | Head | Laundress | South Carolina |
| 39 | Annie Barker | 33 | Daughter | Cook | South Carolina |
| 40 | Ernest S. Barker | 31 | Son | Laborer | 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)