JM
John Mclean — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Williamsburg-County, South Carolina
Our Model Tree links this John Mclean across the 1930 and 1940 US Censuses in Williamsburg-County, South Carolina (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 10-person household.
Age 45
b. ~1895
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Williamsburg-County, South Carolina |
| Surname | McLean |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Williamsburg |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 155 |
| Highest Grade | No 4 |
| 1935 Residence | S. Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farmer |
| Township / Ward | King Township |
| Est. Birth Year | ~1895 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mabel Mclean | Daughter | — | 17 | ~1923 |
| Mattie Mclean | Daughter | — | 19 | ~1921 |
| Lizzie Mclean | Daughter | — | 9 | ~1931 |
| John Mclean | Head | — | 45 | ~1895 |
| William Brighton | Other | — | 19 | ~1921 |
| Leroy Mclean | Son | — | 4 | ~1936 |
| Earnest Mclean | Son | — | 2 | ~1938 |
| David Mclean | Son | — | 7 | ~1933 |
| John Mclean | Son | — | 21 | ~1919 |
| Rosa Mclean | Spouse | — | 31 | ~1909 |
Census Appearances
1930
Williamsburg, South …
Head, age 33
Williamsburg, South Carolina · implied b. ~1897 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLean |
| Given Name | J. B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 24 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Veteran | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Williamsburg-County, South …
Head, age 45
Williamsburg-County, South Carolina · implied b. ~1895 — 10 household members
| Surname | McLean |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Williamsburg |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 155 |
| Highest Grade | No 4 |
| 1935 Residence | S. 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 John Mclean across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mclean
Head · 1940 · age 45 · b. ~1895 · South Carolina
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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-t0627-03844-00565)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Allie Cook | 20 | Daughter | Cook | South Carolina |
| 2 | James Cook | 2 | G-Son | — | South Carolina |
| 3 | Frank David | 38 | Head | Farmer | South Carolina |
| 4 | Anna David | 34 | Wife | Laborer | South Carolina |
| 5 | Victor Mace | 34 | Head | Farmer | South Carolina |
| 6 | Beatrice Mace | 34 | Wife | Laundress | South Carolina |
| 7 | Lenora Mace | 4 | Daughter | — | South Carolina |
| 8 | William Shaw | 35 | Head | Farmer | South Carolina |
| 9 | Ida Shaw | 30 | Wife | Laborer | South Carolina |
| 10 | Dora Shaw | 12 | Son | — | South Carolina |
| 11 | Larnie Shaw | 8 | Daughter | — | South Carolina |
| 12 | Etta Shaw | 3 | Daughter | — | South Carolina |
| 13 | Lilly Shaw | 1 | Daughter | — | South Carolina |
| 14 | Eli Siras | 36 | Head | Farmer | South Carolina |
| 15 | Marie Siras | 30 | Wife | Laborer | South Carolina |
| 16 | Woodrow Siras | 7 | Son | — | South Carolina |
| 17 | James Siras | 5 | Son | — | South Carolina |
| 18 | Ed Mcalister | 64 | Head | Farmer | South Carolina |
| 19 | Laura Mcalister | 67 | Wife | Laborer | South Carolina |
| 20 | Maria Mcalister | 25 | Daughter | Laborer | South Carolina |
| 21 | Charlotte Mcalister | 23 | Daughter | Laborer | South Carolina |
| 22 | Franklin Laura Mcalister | 19 | Daughter | — | South Carolina |
| 23 | John Mclean THIS PERSON | 45 | Head | Farmer | South Carolina |
| 24 | Rosa Mclean | 31 | Wife | Laborer | South Carolina |
| 25 | John Jr. Mclean | 21 | Son | Laborer | South Carolina |
| 26 | Mattie Mclean | 19 | Daughter | — | South Carolina |
| 27 | Mabel Mclean | 17 | Daughter | — | South Carolina |
| 28 | David Mclean | 7 | Son | — | South Carolina |
| 29 | Lizzie Mae Mclean | 9 | Daughter | — | South Carolina |
| 30 | Leroy Mclean | 4 | Son | — | South Carolina |
| 31 | Earnest Mclean | 2 | Son | — | South Carolina |
| 32 | William Brighton | 19 | Lodger | Laborer | South Carolina |
| 33 | Carrie Mcfadden | 46 | Head | Farmer | South Carolina |
| 34 | Elsie Mcfadden | 30 | Sister | Laborer | South Carolina |
| 35 | Emma Mcfadden | 16 | Daughter | — | South Carolina |
| 36 | Inez Mcfadden | 16 | Daughter | — | South Carolina |
| 37 | Chaffree Mcfadden | 27 | Cousin | Laborer | South Carolina |
| 38 | Saul Fulton | 33 | Head | Farmer | South Carolina |
| 39 | Ada Fulton | 37 | Wife | Laborer | South Carolina |
| 40 | Mamie Fulton | 15 | Daughter | — | 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)