WM
William Mack — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Charleston, South Carolina
Our Model Tree links this William Mack across the 1910, 1920, 1930 and 1940 US Censuses in Charleston, South Carolina (XGBoost, ~Confirmed) — first a head (b.~1899), then head of a 5-person household.
Age 21
b. ~1899
Male
Head
Born: South Carolina
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Charleston, South Carolina |
| Surname | Mack |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Laborer |
| Industry | Phosphate Mill |
| Class of Worker | W |
| 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 |
| Occupation | Laborer |
| Township / Ward | Charleston City |
| Est. Birth Year | ~1899 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Carrie Mack | Spouse | — | 20 | ~1900 |
| Loraine Mack | Daughter | — | ~1920 | |
| Beatrice Mack | Daughter | — | 2 | ~1918 |
| Adell Young | Other | — | 9 | ~1911 |
| William Mack | Head | — | 21 | ~1899 |
Census Appearances
1910
Charleston, South …
Head, age 10
Charleston, South Carolina · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | Wesley |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| 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 |
1920
Charleston, South …
Head, age 21
Charleston, South Carolina · implied b. ~1899 — 5 household members
| Surname | Mack |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Phosphate Mill |
| Class of Worker | W |
| 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
Charleston, South …
Head, age 29
Charleston, South Carolina · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | Willie |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 19 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 3 |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Charleston-County, South …
Head, age 36
Charleston-County, South Carolina · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | Willie |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | N |
| Age | 36 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Wadmalaw |
| 1935 Residence (County) | Charleston |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 82 |
| 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 William Mack across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mack
Head · 1920 · age 21 · b. ~1899 · South Carolina
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Charleston, South Carolina
Open full size
1920 US Federal Census — Charleston, South Carolina
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1688unit:0376)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lydia Smalls | 27 | Wife | — | South Carolina |
| 52 | Dorothy Smalls | 5 | Daughter | — | South Carolina |
| 53 | Amanda Smalls | 3 | Daughter | — | South Carolina |
| 54 | Alice Smalls | 0 | Daughter | — | South Carolina |
| 55 | Joseph Smalls | 80 | Father in law | Fisherman | South Carolina |
| 56 | Willie Singleton | 27 | Head | Shoemaker | South Carolina |
| 57 | Carrie Singleton | 22 | Wife | — | South Carolina |
| 58 | Sandy Mitchell | 23 | Brother in law | Cook | South Carolina |
| 59 | Jasper Hayward | 26 | Head | Chauffeur | South Carolina |
| 60 | Flora Hayward | 26 | Wife | Laundress | South Carolina |
| 61 | Sarah Brown | 44 | Head | Laundress | South Carolina |
| 62 | Sarah Manigault | 30 | Head | Servant | South Carolina |
| 63 | George Street | 62 | Head | Laborer | South Carolina |
| 64 | John Kelly | 48 | Head | Store Keeper | South Carolina |
| 65 | Victoria Kelly | 32 | Wife | — | South Carolina |
| 66 | Harper Limehouse | 15 | Nephew | Messenger | South Carolina |
| 67 | Jacob Smith | None | Head | — | South Carolina |
| 68 | Barbara Smith | 45 | Wife | Laundress | South Carolina |
| 69 | Lizzie Manigault | 63 | Head | Laundress | South Carolina |
| 70 | Nancy Simmons | 24 | Niece | Servant | South Carolina |
| 71 | John Rose | 45 | Head | Servant | South Carolina |
| 72 | John La Roche | None | Head | Fisherman | South Carolina |
| 73 | Cornelia La Roche | 37 | Wife | — | South Carolina |
| 74 | Ruby La Roche | 23 | Daughter | — | South Carolina |
| 75 | Phillip La Roche | 20 | Son | Deck Hand | South Carolina |
| 76 | Ernest La Roche | 19 | Son | Salesman | South Carolina |
| 77 | Arthur La Roche | 17 | Son | — | South Carolina |
| 78 | Leola La Roche | 16 | Daughter | — | South Carolina |
| 79 | George La Roche | 15 | Son | — | South Carolina |
| 80 | Helen La Roche | 12 | Son | — | South Carolina |
| 81 | Virginia La Roche | 10 | Daughter | — | South Carolina |
| 82 | Ernestine La Roche | 7 | Daughter | — | South Carolina |
| 83 | Joseph La Roche | 5 | Son | — | South Carolina |
| 84 | William Bohme | 57 | Head | Mechanic | South Carolina |
| 85 | Alice Bohme | 58 | Wife | — | South Carolina |
| 86 | Marion Trescott | 22 | Daughter | — | South Carolina |
| 87 | Marjorie Trescott | 1 | Granddaughter | — | South Carolina |
| 88 | John Mickens | 37 | Head | Fireman | South Carolina |
| 89 | Rosa Mickens | 21 | Wife | — | South Carolina |
| 90 | John Johnson | 40 | Head | Laborer | South Carolina |
| 91 | Rebecca Johnson | 38 | Wife | — | South Carolina |
| 92 | Willie Johnson | 27 | Head | Laborer | South Carolina |
| 93 | Florence Johnson | 22 | Wife | — | South Carolina |
| 94 | Samuel Johnson | 1 | Son | — | South Carolina |
| 95 | William Mack THIS PERSON | 21 | Head | Laborer | South Carolina |
| 96 | Carrie Mack | 20 | Wife | — | South Carolina |
| 97 | Beatrice Mack | 2 | Daughter | — | South Carolina |
| 98 | Loraine Mack | 0 | Daughter | — | South Carolina |
| 99 | Adell Young | 9 | Sister | — | South Carolina |
| 100 | John Smalls | None | Head | Painter | South Carolina |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)