JM
John Mclean — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Mclean across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 9-person household.
Age 55
b. ~1885
Male
Head
Born: Canada-Eng
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | McLean |
| Given Name | John M |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Canada-Eng |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Broker |
| Industry | Real Estate |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 2300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birthplace (normalized) | canada-eng |
| Occupation | Broker |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1885 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Delores Mclean | Daughter | — | 13 | ~1927 |
| Marvis Mclean | Daughter | — | 18 | ~1922 |
| Margaret Mclean | Daughter | — | 15 | ~1925 |
| John Mclean | Head | — | 55 | ~1885 |
| Thomas Mclean | Son | — | 8 | ~1932 |
| Donald Mclean | Son | — | 11 | ~1929 |
| John Mclean | Son | — | 23 | ~1917 |
| Gerald Mclean | Son | — | 7 | ~1933 |
| Mildred Mclean | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Wayne, Michigan
Head, age 40
Wayne, Michigan · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacLean |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Canada-Eng |
| Naturalization Status | Naturalized |
| Year of Immigration | 1920 |
| Age at First Marriage | 24 |
| Father's Birthplace | Canada-Eng |
| Mother's Birthplace | Canada-Eng |
| Occupation | Salesman |
| Industry | Wholesale |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 65 |
| Radio Set | R |
| Veteran | No |
| Birthplace (normalized) | canada-eng |
1940
Wayne-County, Michigan
Head, age 55
Wayne-County, Michigan · implied b. ~1885 — 9 household members
| Surname | McLean |
| Given Name | John M |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Canada-Eng |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Occupation | Broker |
| Industry | Real Estate |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 2300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birthplace (normalized) | canada-eng |
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 55 · b. ~1885 · 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 — 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-t0627-01869-00642)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edith Mae Herp | 26 | daughter | Machine Oper | Canada-Eng |
| 2 | Charles Herp | 19 | son | Caretaker | Michigan |
| 3 | John M Mclean THIS PERSON | 55 | head | Broker | Canada-Eng |
| 4 | Mildred Mclean | 49 | wife | — | Michigan |
| 5 | John A Mclean | 23 | son | Machine Opr | Michigan |
| 6 | Marvis Mclean | 18 | daughter | Sec. Pur. Dept | Michigan |
| 7 | Margaret Mclean | 15 | daughter | — | Michigan |
| 8 | Delores Mclean | 13 | daughter | — | Michigan |
| 9 | Donald Mclean | 11 | son | — | Michigan |
| 10 | Thomas Mclean | 8 | son | — | Michigan |
| 11 | Gerald Mclean | 7 | son | — | Michigan |
| 12 | George Tully | 36 | head | Salesman | Ireland-FS |
| 13 | Sara Tully | 31 | wife | — | Ireland-FS |
| 14 | Ellen Tully | 5 | daughter | — | Michigan |
| 15 | Frances Lippe | 42 | head | Clerk | Michigan |
| 16 | Leo Lechner | 45 | lodger | Electrician | Pennsylvania |
| 17 | Harry Button | 60 | head | Inspector | Michigan |
| 18 | Eula Button | 35 | daughter | — | Michigan |
| 19 | Albert Buckner | 56 | head | Custodian | Ohio |
| 20 | Alta Buckner | 47 | wife | — | New York |
| 21 | Wallace George Buckner | 37 | son-in-law | Lay Out Man | Canada-Eng |
| 22 | Vivian Buckner | 30 | daughter | — | Ohio |
| 23 | Paul Boehmer | 57 | head | Foreman | Germany |
| 24 | Hattie Boehmer | 52 | wife | — | Illinois |
| 25 | Anna Webber | 62 | sister-in-law | — | Illinois |
| 26 | Robert Hartman | 50 | head | Mach. Repairer | Michigan |
| 27 | Marie Hartman | 49 | wife | — | Germany |
| 28 | Minnie Hartman | 22 | daughter | Stenographer | Michigan |
| 29 | Jack Cunningham | 68 | head | Varnish Tester | Illinois |
| 30 | Laura Cunningham | 66 | wife | — | Illinois |
| 31 | Winston Eldred | 26 | head | Lathe Machine Operator | Michigan |
| 32 | Elinor Eldred | 25 | wife | Assembler | Michigan |
| 33 | Winston Eldred | 4 | son | — | Michigan |
| 34 | Richard Eldred | 0 | son | — | Michigan |
| 35 | Joe Griffith | 33 | head | Machinist | Kansas |
| 36 | Carrie Griffith | 34 | wife | — | Missouri |
| 37 | Donald Griffith | 12 | son | — | Missouri |
| 38 | Jo Anne Griffith | 6 | daughter | — | Missouri |
| 39 | George Wright | 44 | head | Bookkeeper | Canada-Eng |
| 40 | Robert Dupont | 44 | head | Sta. Engineer | Michigan |
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)