WM
William Macdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this William Macdonald across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | MacDonald |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | WAYNE |
| Additional Details | |
| Occupation | Driver |
| Industry | Auto Transport |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 200 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Driver |
| Township / Ward | Detroit City |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Macdonald | Son | — | 21 | ~1919 |
| Betty Macdonald | Daughter | — | 14 | ~1926 |
| Lillian Macdonald | Daughter | — | 11 | ~1929 |
| June Macdonald | Daughter | — | 19 | ~1921 |
| Louise Macdonald | Spouse | — | 44 | ~1896 |
| Joanne Macdonald | Daughter | — | 3 | ~1937 |
| William Macdonald | Head | — | 48 | ~1892 |
Census Appearances
1930
Wayne, Michigan
Son, age 11
Wayne, Michigan · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Donald |
| Given Name | William J Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 21
Wayne-County, Michigan · implied b. ~1919 — 7 household members
| Surname | MacDonald |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | WAYNE |
| Occupation | Driver |
| Industry | Auto Transport |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 200 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Macdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Macdonald
Son · 1940 · age 21 · b. ~1919 · Michigan
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Sibling
Joanne Macdonald
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Macdonald
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Macdonald
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Macdonald
Sibling · 1940 · age 14
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01888-00873)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Jr. Helen | 22 | Son | Assembly | Michigan |
| 42 | Janet Helen | 19 | Daughter | — | Michigan |
| 43 | Lafayette Helen | 17 | Son | — | Michigan |
| 44 | Robert Helen | 14 | Son | — | Michigan |
| 45 | Margaret Helen | 11 | Daughter | — | Michigan |
| 46 | Dorothy Helen | 9 | Daughter | — | Michigan |
| 47 | Charles Rutkus | 52 | Head | Drill Press | Lithuania |
| 48 | Helen Rutkus | 45 | Wife | — | Lithuania |
| 49 | John Dennison | 67 | Head | Carpenter | Canada-English |
| 50 | Julia Dennison | 67 | Wife | — | Canada-English |
| 51 | John H. Dennison | 37 | Son | Yard Foreman | Canada-English |
| 52 | Mildred Dennison | 39 | Servant | Maid | Illinois |
| 53 | Frederick Walters | 36 | Head | Inspector | Michigan |
| 54 | Helen Walters | 36 | Wife | — | Indiana |
| 55 | Donald Walters | 3 | Son | — | Michigan |
| 56 | Peter Wozniak | 44 | Head | Pickup Man | Austria |
| 57 | Emily Wozniak | 36 | Wife | — | Austria |
| 58 | Helen Wozniak | 17 | Daughter | — | Michigan |
| 59 | Arthur Wozniak | 14 | Son | — | Michigan |
| 60 | Thomas Wozniak | 12 | Son | — | Michigan |
| 61 | Eugene Wozniak | 7 | Son | — | Michigan |
| 62 | Dorothea Wozniak | 5 | Daughter | — | Michigan |
| 63 | Beatrice Peters | 50 | Head | — | Michigan |
| 64 | Harry Peters | 29 | Son | Engineer | Michigan |
| 65 | Robert Peters | 26 | Son | Machine Operator | Michigan |
| 66 | George Hughes | 33 | Head | Mechanic | Minnesota |
| 67 | Gladys Hughes | 30 | Wife | — | Minnesota |
| 68 | Michael Hughes | 1 | Son | — | Michigan |
| 69 | William Macdonald | 48 | Head | Polisher | Pennsylvania |
| 70 | Louise Macdonald | 44 | Wife | — | Ohio |
| 71 | William Jr. Macdonald THIS PERSON | 21 | Son | Driver | Michigan |
| 72 | June E. Macdonald | 19 | Daughter | — | Michigan |
| 73 | Betty L. Macdonald | 14 | Daughter | — | Michigan |
| 74 | Lillian Macdonald | 11 | Daughter | — | Michigan |
| 75 | Joanne Macdonald | 3 | Daughter | — | Michigan |
| 76 | Benjamin Hall | 44 | Head | Driver | Tennessee |
| 77 | Vina Hall | 44 | Wife | — | Tennessee |
| 78 | Benjamin Jr. Hall | 19 | Son | New Worker | Tennessee |
| 79 | Evelyn Hall | 17 | Daughter | — | Tennessee |
| 80 | Dennis Hall | 15 | Son | — | Michigan |
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)