WM
William Mcdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jasper-County, Mississippi
Our Model Tree links this William Mcdonald across the 1930 and 1940 US Censuses in Jasper-County, Mississippi (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 16-person household.
Age 22
b. ~1918
Male
Son
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jasper-County, Mississippi |
| Surname | McDonald |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (County) | Jasper |
| Additional Details | |
| Occupation | Farm |
| Industry | PW |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | 50 |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Farm |
| Township / Ward | Beat Five |
| Est. Birth Year | ~1918 |
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.
16 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Martha Mcdonald | Daughter | — | 12 | ~1928 |
| Lillean Pittman | Daughter | — | 23 | ~1917 |
| Lucille Mcdonald | Daughter | — | 15 | ~1925 |
| Doris James | Daughter | — | 25 | ~1915 |
| Eva Mcdonald | Daughter | — | 20 | ~1920 |
| Will Mcdonald | Head | — | 53 | ~1887 |
| Doris James | Other | — | 4 | ~1936 |
| Albert Pittman | Other | — | 2 | ~1938 |
| Willie Pittman | Other | — | 23 | ~1917 |
| Columbus James | Other | — | 35 | ~1905 |
| Homer James | Other | — | 2 | ~1938 |
| Robert Mcdonald | Son | — | 7 | ~1933 |
| Oliver Mcdonald | Son | — | 19 | ~1921 |
| Ervin Mcdonald | Son | — | 16 | ~1924 |
| Horace Mcdonald | Son | — | 10 | ~1930 |
| William Mcdonald | Son | — | 22 | ~1918 |
Census Appearances
1930
Jasper, Mississippi
Son, age 11
Jasper, Mississippi · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | William M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Laborer |
| Industry | Gen. Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Jasper-County, Mississippi
Son, age 22
Jasper-County, Mississippi · implied b. ~1918 — 16 household members
| Surname | McDonald |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (County) | Jasper |
| Occupation | Farm |
| Industry | PW |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | 50 |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Mcdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mcdonald
Son · 1940 · age 22 · b. ~1918 · Mississippi
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Sibling
Ervin Mcdonald
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillean Pittman
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris James
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mcdonald
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Mcdonald
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Mcdonald
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oliver Mcdonald
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Horace Mcdonald
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Mcdonald
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 — Jasper-County, Mississippi
Open full size
1940 US Federal Census — Jasper-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02033-00496)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Morgan | 2 | Son | — | Mississippi |
| 2 | John Morgan | 73 | Head | Farm | Mississippi |
| 3 | Margaret Morgan | 77 | Sister | — | Mississippi |
| 4 | Edd Garner | 36 | Son in law | Farm | Mississippi |
| 5 | Jane Garner | 34 | Daughter | Farm | Mississippi |
| 6 | Janey Herrington | 69 | Head | Farmer | Mississippi |
| 7 | Hershand Herrington | 34 | Son | Farm | Mississippi |
| 8 | Clayton Herrington | 29 | Son | Farm | Mississippi |
| 9 | James Trindham | 49 | Head | Insurance | Mississippi |
| 10 | Irene Trindham | 32 | Wife | — | Mississippi |
| 11 | James Trindham | 12 | Son | — | Mississippi |
| 12 | Jerry Trindham | 10 | Son | — | Mississippi |
| 13 | Claudette Trindham | 7 | Daughter | — | Mississippi |
| 14 | Will Mcdonald | 53 | Head | Farm | Mississippi |
| 15 | William Mcdonald THIS PERSON | 22 | Son | Farm | Mississippi |
| 16 | Eva Francis Mcdonald | 20 | Daughter | — | Mississippi |
| 17 | Oliver Frank Mcdonald | 19 | Son | Saw Mill | Mississippi |
| 18 | Ervin Ross Mcdonald | 16 | Son | Farm | Mississippi |
| 19 | Lucille Mcdonald | 15 | Daughter | — | Mississippi |
| 20 | Martha Jean Mcdonald | 12 | Daughter | — | Mississippi |
| 21 | Horace Vernon Mcdonald | 10 | Son | — | Mississippi |
| 22 | Robert Ray Mcdonald | 7 | Son | — | Mississippi |
| 23 | Columbus James | 35 | Son in law | Truck Driver | Mississippi |
| 24 | Doris Bell James | 25 | Daughter | — | Mississippi |
| 25 | Doris Virginia James | 4 | Granddaughter | — | Mississippi |
| 26 | Homer Roy James | 2 | Grandson | — | Mississippi |
| 27 | Willie B Pittman | 23 | Son in law | Drag Line Operator | Mississippi |
| 28 | Lillean Pittman | 23 | Daughter | — | Mississippi |
| 29 | Albert Dean Pittman | 2 | Grandson | — | Mississippi |
| 30 | John Smith | 66 | Head | Farmer | Mississippi |
| 31 | Lumpee Smith | 47 | Wife | Farm | Mississippi |
| 32 | Ella Magee | 71 | Mother in law | — | Mississippi |
| 33 | Harvey Thornton | 43 | Head | Farm | Mississippi |
| 34 | Mary Thornton | 40 | Wife | — | Mississippi |
| 35 | Leo Thornton | 22 | Son | Farm | Mississippi |
| 36 | Leurlene Thornton | 17 | Daughter | — | Mississippi |
| 37 | Alene Thornton | 16 | Daughter | — | Mississippi |
| 38 | Bessie Mae Thornton | 15 | Daughter | — | Mississippi |
| 39 | Dorothy Lee Thornton | 11 | Daughter | — | Mississippi |
| 40 | Blanche Thornton | 9 | Daughter | — | Mississippi |
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)