WM
William Mcclain — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Richland, South Carolina
Our Model Tree links this William Mcclain across the 1930 and 1940 US Censuses in Richland, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 7-person household.
Age 17
b. ~1913
Male
Son
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Richland, South Carolina |
| Surname | McClain |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Columbia City |
| Est. Birth Year | ~1913 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Mcclain | Son | — | 17 | ~1913 |
| Serena Mcclain | Daughter | — | 2 | ~1928 |
| Rebecca Mcclain | Spouse | — | 35 | ~1895 |
| James Mcclain | Head | — | 49 | ~1881 |
| Juanita Mcclain | Daughter | — | 8 | ~1922 |
| John Mcclain | Son | — | 11 | ~1919 |
| Leon Mcclain | Son | — | 13 | ~1917 |
Census Appearances
1930
Richland, South …
Son, age 17
Richland, South Carolina · implied b. ~1913 — 7 household members
| Surname | McClain |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Richland-County, South …
Son, age 23
Richland-County, South Carolina · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLain |
| Given Name | William (el) |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Columbia |
| 1935 Residence (County) | Richland |
| Income (1939) | 0 |
| Highest Grade | C 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 William Mcclain across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mcclain
Son · 1930 · age 17 · b. ~1913 · South Carolina
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Sibling
John Mcclain
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Mcclain
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Mcclain
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Serena Mcclain
Sibling · 1930 · age 2
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
1930 US Federal Census — Richland, South Carolina
Open full size
1930 US Federal Census — Richland, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2210unit:0190)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Parker | 44 | Head | Manager | South Carolina |
| 2 | Joseph Gregory | 41 | Head | Laborer | South Carolina |
| 3 | Lucille Gregory | 30 | Wife | — | South Carolina |
| 4 | Horace Taylor | 19 | Boarder | Laborer | South Carolina |
| 5 | Bessie Harris | 16 | Boarder | Washer | South Carolina |
| 6 | Jesse Harris | 21 | Boarder | — | South Carolina |
| 7 | Gladys Gregory | 11 | Daughter | — | South Carolina |
| 8 | Bertha Gregory | 20 | Daughter | — | South Carolina |
| 9 | Thomas Wallace | 41 | Head | Mechanic | South Carolina |
| 10 | Geneva Wallace | 35 | Wife | — | South Carolina |
| 11 | Isaac Jackson | 26 | Head | Laborer | South Carolina |
| 12 | Lillian Jackson | 23 | Wife | — | South Carolina |
| 13 | Lucy Jackson | 23 | Boarder | Cook | South Carolina |
| 14 | Zack Jenkins | 31 | Head | Laundress | South Carolina |
| 15 | Priscilla Jenkins | 17 | Wife | — | South Carolina |
| 16 | John Lafant | 30 | Head | Porter | South Carolina |
| 17 | Irene Lafant | 20 | Wife | — | South Carolina |
| 18 | Herbert Davis | 21 | Head | Laborer | South Carolina |
| 19 | Gertrude Davis | 18 | Wife | — | South Carolina |
| 20 | Katie Davis | 45 | Mother | Cook | South Carolina |
| 21 | Amanda Coleman | 66 | Head | — | South Carolina |
| 22 | Paula Clark | 36 | Boarder | Maid | South Carolina |
| 23 | Glanna Lyon | 44 | Head | — | South Carolina |
| 24 | John Taylor | 46 | Boarder | Laborer | South Carolina |
| 25 | John Johnson | 24 | Boarder | Laborer | South Carolina |
| 26 | Thomas Alston | 20 | Boarder | Laborer | South Carolina |
| 27 | Robert Young | 50 | Head | Laborer | South Carolina |
| 28 | Eva Young | 33 | Wife | Cook | South Carolina |
| 29 | Lucy Early | 33 | Head | Clerk | South Carolina |
| 30 | Jesse Early | 11 | Son | — | South Carolina |
| 31 | Lazzine Early | 7 | Daughter | — | South Carolina |
| 32 | Cag Early | 4 | Son | — | South Carolina |
| 33 | John Walker | 71 | Head | Carpenter | South Carolina |
| 34 | Ida Walker | 56 | Wife | — | South Carolina |
| 35 | Harriet Walker | 21 | Daughter | — | South Carolina |
| 36 | Lucius Thompson | 40 | Head | Laborer | South Carolina |
| 37 | Olive Thompson | 31 | Wife | — | South Carolina |
| 38 | Loretta Thompson | 7 | Daughter | — | South Carolina |
| 39 | Helen Thompson | 3 | Daughter | — | South Carolina |
| 40 | Albert Thompson | 1 | Son | — | South Carolina |
| 41 | Harry Hopkins | 40 | Head | Cook | South Carolina |
| 42 | Laura Hopkins | 20 | Wife | Maid | South Carolina |
| 43 | James Mcclain | 49 | Head | Chauffeur | South Carolina |
| 44 | Rebecca Mcclain | 35 | Wife | Laundress | South Carolina |
| 45 | William Mcclain THIS PERSON | 17 | Son | — | South Carolina |
| 46 | John Mcclain | 11 | Son | — | South Carolina |
| 47 | Juanita Mcclain | 8 | Daughter | — | South Carolina |
| 48 | Serena Mcclain | 2 | Daughter | — | South Carolina |
| 49 | Leon Mcclain | 13 | Son | — | South Carolina |
| 50 | Harry Gardner | 37 | Head | Laborer | South Carolina |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)