WM
William Mclean — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Richland-County, South Carolina
Our Model Tree links this William Mclean across the 1930 and 1940 US Censuses in Richland-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, South Carolina |
| Surname | McLean |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Eau Claire Town |
| Additional Details | |
| Occupation | Bar tender |
| Industry | Canteen |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 720 |
| Highest Grade | H-2 |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Bartender |
| Township / Ward | Eau Claire Town |
| Est. Birth Year | ~1919 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Mclean | Daughter | — | 20 | ~1920 |
| Margaret Mclean | Daughter | — | 18 | ~1922 |
| Roberta Mclean | Daughter | — | 12 | ~1928 |
| William Mclean | Head | — | 52 | ~1888 |
| John Mclean | Son | — | 15 | ~1925 |
| George Mclean | Son | — | 9 | ~1931 |
| William Mclean | Son | — | 21 | ~1919 |
| Marshall Mclean | Son | — | 7 | ~1933 |
| Carrie Mclean | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Richland, South …
Son, age 10
Richland, South Carolina · implied b. ~1920 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLean |
| Given Name | William V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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 21
Richland-County, South Carolina · implied b. ~1919 — 9 household members
| Surname | McLean |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Eau Claire Town |
| Occupation | Bar tender |
| Industry | Canteen |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 720 |
| Highest Grade | H-2 |
| 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 Mclean across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mclean
Son · 1940 · age 21 · b. ~1919 · South Carolina
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Sibling
Dorothy Mclean
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marshall Mclean
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mclean
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mclean
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roberta Mclean
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mclean
Sibling · 1940 · age 15
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 — 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-t0627-03834-00043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jamesena Hersey | 31 | Wife | — | South Carolina |
| 42 | Carolyn Hersey | 8 | Daughter | — | Georgia |
| 43 | Melton Hersey | 2 | Son | — | Georgia |
| 44 | Eldon Smith | 26 | Head | Machinist | South Carolina |
| 45 | Marguerite Smith | 27 | Wife | — | South Carolina |
| 46 | Sandra Smith | 4 | Daughter | — | South Carolina |
| 47 | Harry Brown | 40 | Head | Salesman | South Carolina |
| 48 | Blanche Brown | 36 | Wife | — | South Carolina |
| 49 | Marie Brown | 10 | Daughter | — | South Carolina |
| 50 | Harriet Brown | 7 | Daughter | — | South Carolina |
| 51 | Walter Chiles | 33 | Head | Traveling Salesman | Tennessee |
| 52 | Ruth Chiles | 25 | Wife | — | South Carolina |
| 53 | Walter Jr Chiles | 5 | Son | — | South Carolina |
| 54 | Paul Foster Chiles | 2 | Son | — | South Carolina |
| 55 | Alice Smith | 16 | Servant | House Keeper | South Carolina |
| 56 | William A Mclean | 52 | Head | Salesman | South Carolina |
| 57 | Carrie Mclean | 40 | Wife | — | South Carolina |
| 58 | William Jr Mclean THIS PERSON | 21 | Son | Bar Tender | South Carolina |
| 59 | Dorothy Mclean | 20 | Daughter | Stenographer | South Carolina |
| 60 | Margaret Mclean | 18 | Daughter | Stenographer | South Carolina |
| 61 | John Mclean | 15 | Son | — | South Carolina |
| 62 | Roberta Mclean | 12 | Daughter | — | South Carolina |
| 63 | George E Mclean | 9 | Son | — | South Carolina |
| 64 | Marshall Mclean | 7 | Son | — | South Carolina |
| 65 | Verdyne Powers | 32 | Head | Salesman | South Carolina |
| 66 | Minnie O Powers | 37 | Wife | — | South Carolina |
| 67 | Lawrence Powers | 15 | Son | — | Florida |
| 68 | Robert Nance | 34 | Head | Assistant Game Warden | South Carolina |
| 69 | Elizabeth Nance | 27 | Wife | — | South Carolina |
| 70 | Norma Nance | 1 | Daughter | — | South Carolina |
| 71 | Eric Lanza | 45 | Head | Postmaster | South Carolina |
| 72 | William Wooten | 65 | Uncle | Foreman | South Carolina |
| 73 | Gertrude Wooten | 66 | Aunt | — | South Carolina |
| 74 | Sarah Davis | 59 | Head | — | South Carolina |
| 75 | Herbert Gillette | 78 | Lodger | — | Michigan |
| 76 | Ethel Zimmerman | 49 | Head | — | South Carolina |
| 77 | David Zimmerman | 20 | Son | Assistant Manager | Maryland |
| 78 | Edward Gunter | 58 | Head | Carpenter | South Carolina |
| 79 | Mary Gunter | 53 | Wife | — | South Carolina |
| 80 | — | None | — | — | — |
Related Census Records
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)