WM
William Mcdowell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Michigan
Our Model Tree links this William Mcdowell across the 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 6-person household.
Age 38
b. ~1902
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Michigan |
| Surname | McDowell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Capac |
| 1935 Residence (County) | St. Clair |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Capac |
| Est. Birth Year | ~1902 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mcdowell | Daughter | — | 16 | ~1924 |
| William Mcdowell | Head | — | 38 | ~1902 |
| John Mcdowell | Son | — | 12 | ~1928 |
| Dorthy Mcdowell | Daughter | — | 5 | ~1935 |
| Isabell Mcdowell | Daughter | — | 13 | ~1927 |
| Jean Mcdowell | Spouse | — | 37 | ~1903 |
Census Appearances
1930
St Clair, …
Head, age 28
St Clair, Michigan · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDowell |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1923 |
| Age at First Marriage | 19 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Section hand |
| Industry | St. Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
St.-Clair-County, Michigan
Head, age 38
St.-Clair-County, Michigan · implied b. ~1902 — 6 household members
| Surname | McDowell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Capac |
| 1935 Residence (County) | St. Clair |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Mcdowell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Mcdowell
Head · 1940 · age 38 · b. ~1902 · Michigan
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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 — St.-Clair-County, Michigan
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1940 US Federal Census — St.-Clair-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01815-00825)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charlot Prey | 2 | Daughter | — | Michigan |
| 2 | Patricia Prey | 10 | Granddaughter | — | Michigan |
| 3 | Sally Prey | 6 | Granddaughter | — | Ohio |
| 4 | Frank Van Voorhees | 31 | Head | Administrator | Michigan |
| 5 | Barbara Van Voorhees | 26 | Wife | Supervisor | Michigan |
| 6 | Curtis Van Voorhees | 5 | Son | — | Michigan |
| 7 | Susan Van Voorhees | 2 | Daughter | — | Michigan |
| 8 | Louise Ross | 74 | Head | — | Michigan |
| 9 | Harvey Sharp | 45 | Head | Barber | Michigan |
| 10 | Hattie Sharp | 41 | Wife | — | Michigan |
| 11 | Donald Sharp | 21 | Son | Attendant | Michigan |
| 12 | Ernest Miller | 67 | Head | — | Germany |
| 13 | Minnie Miller | 62 | Wife | — | Germany |
| 14 | William Mcdowell THIS PERSON | 38 | Head | — | Scotland |
| 15 | Jean Mcdowell | 37 | Wife | — | Scotland |
| 16 | Margaret Mcdowell | 16 | Daughter | — | Michigan |
| 17 | Isabell Mcdowell | 13 | Daughter | — | Michigan |
| 18 | John Mcdowell | 12 | Son | — | Michigan |
| 19 | Dorthy Mcdowell | 5 | Daughter | — | Michigan |
| 20 | Harold Simpson | 31 | Head | Owner Manager | Michigan |
| 21 | Anna Simpson | 48 | Wife | — | Illinois |
| 22 | James Simpson | 73 | Father | — | English |
| 23 | James Waitz | 54 | Head | Doctor | Michigan |
| 24 | Sarah Waitz | 54 | Wife | — | Michigan |
| 25 | William Willa | 46 | Head | Salesman | Michigan |
| 26 | Hazel Willa | 46 | Wife | — | Michigan |
| 27 | Leatrice Willa | 17 | Daughter | — | Michigan |
| 28 | Charles Lincoln | 25 | Lodger | Teacher (Social Science) | Michigan |
| 29 | George Richards | 77 | Head | — | New Jersey |
| 30 | Rose Richards | 74 | Wife | — | Ohio |
| 31 | Raphael Richards | 44 | Son | Bartender | Illinois |
| 32 | Elmer Henderson | 31 | Head | Manager | Michigan |
| 33 | Lela Henderson | 30 | Wife | — | Michigan |
| 34 | Geraldine Henderson | 8 | Daughter | — | Michigan |
| 35 | Jeanette Henderson | 7 | Daughter | — | Michigan |
| 36 | Ida Morris | 69 | Head | — | Michigan |
| 37 | Fred Mcnaught | 66 | Head | — | Michigan |
| 38 | Elmer Heckman | 32 | Head | Truck Driver | Michigan |
| 39 | Bertha Heckman | 31 | Wife | — | Michigan |
| 40 | Vivian Arnold | 36 | Head | Manager | 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)