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Mary Mclean — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oakland-County, Michigan
Our Model Tree links this Mary Mclean across the 1930 and 1940 US Censuses in Oakland-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oakland-County, Michigan |
| Surname | McLean |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Royal Oak |
| 1935 Residence (County) | Oakland |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Royal Oak |
| Est. Birth Year | ~1928 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Gerry Mclean | Daughter | — | 8 | ~1932 |
| Mary Mclean | Daughter | — | 12 | ~1928 |
| Marie Mclean | Daughter | — | 17 | ~1923 |
| Kathleen Mclean | Daughter | — | 10 | ~1930 |
| Thomas Mclean | Head | — | 46 | ~1894 |
| Thomas Mclean | Son | — | 21 | ~1919 |
| Robert Mclean | Son | — | 19 | ~1921 |
| Marie Mclean | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 2
Wayne, Michigan · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLean |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Oakland-County, Michigan
Daughter, age 12
Oakland-County, Michigan · implied b. ~1928 — 8 household members
| Surname | McLean |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Royal Oak |
| 1935 Residence (County) | Oakland |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 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 Mary Mclean across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mclean
Daughter · 1940 · age 12 · b. ~1928 · Michigan
★ You are viewing this record
Sibling
Gerry Mclean
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Mclean
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mclean
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Mclean
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mclean
Sibling · 1940 · age 19
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 — Oakland-County, Michigan
Open full size
1940 US Federal Census — Oakland-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01802-00667)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Howard H. Gouitt | Gonitt | 52 | Head | Salesman | Michigan |
| 42 | Leah D. Gouitt | Gonitt | 50 | Wife | — | Michigan |
| 43 | William D. Gouitt | Gonitt | 17 | Son | — | Michigan |
| 44 | Howard Jr. Gouitt | Gonitt | 17 | Son | — | Michigan |
| 45 | Melissa Gouitt | Gonitt | 13 | Daughter | — | Michigan |
| 46 | Mary Lou Gouitt | Gonitt | 10 | Daughter | — | Michigan |
| 47 | Amy Ellen Gouitt | Gonitt | 7 | Daughter | — | Michigan |
| 48 | Myrtle Robinson | 37 | Maid | Maid | Michigan |
| 49 | Anna D. Weitzel | 58 | Head | — | New York |
| 50 | George Weitzel | 35 | Son | Tiler | Michigan |
| 51 | Leonard Knight | 20 | Lodger | Stenographer | Michigan |
| 52 | Bud Morgan | 21 | Lodger | Stenographer | Michigan |
| 53 | Louis Read | 61 | Head | — | Michigan |
| 54 | Eva Read | 64 | Wife | — | Pennsylvania |
| 55 | Walter Smith | 21 | Head | Estimator | Michigan |
| 56 | Shirley D. Smith | 19 | Wife | — | Michigan |
| 57 | Tyson Sharp | 43 | Head | Gardener | Michigan |
| 58 | Mary Robinson | 65 | Maid | Maid | Canada-Eng |
| 59 | Thomas A. Mclean | 46 | Head | Scenery | Michigan |
| 60 | Marie Mclean | 46 | Wife | — | Michigan |
| 61 | Thomas Jr. Mclean | 21 | Son | Photographer | Michigan |
| 62 | Robert Mclean | 19 | Son | Laborer | Michigan |
| 63 | Marie Mclean | 17 | Daughter | House Work | Michigan |
| 64 | Mary Jane Mclean THIS PERSON | 12 | Daughter | — | Michigan |
| 65 | Kathleen Mclean | 10 | Daughter | — | Michigan |
| 66 | Gerry Mclean | 8 | Daughter | — | Michigan |
| 67 | Margaret Glenson | Gleason | 59 | Head | — | Iowa |
| 68 | Vera Flaherty | 55 | Lodger | Teacher | Michigan |
| 69 | Margaret Bradman | 38 | Lodger | Teacher | Michigan |
| 70 | Phoebe Kerr | 49 | Lodger | Teacher | Michigan |
| 71 | Georgia Kerr | 44 | Lodger | Teacher | Michigan |
| 72 | Margaret Brown | 45 | Head | Teacher | Michigan |
| 73 | Gertrude Brown | 42 | Sister | Teacher | Michigan |
| 74 | Gertrude A. Brown | 76 | Mother | — | Missouri |
| 75 | Harry Garrison | 54 | Head | Mill Wright Foreman | England |
| 76 | Maria Garrison | 55 | Wife | — | England |
| 77 | Muriel Garrison | 23 | Daughter | Stenographer | Michigan |
| 78 | Bernard Garing | 33 | Head | Medical Doctor | Michigan |
| 79 | Mary A. Garing | 36 | Wife | — | Michigan |
| 80 | Richard Garing | 1 | Son | 0 | 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)