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Mary Linn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Linn across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 4-person household.
Age 12
b. ~1928
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Linn |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Sylvia Linn | Spouse | — | 40 | ~1900 |
| Mary Linn | Daughter | — | 12 | ~1928 |
| Walter Linn | Head | — | 43 | ~1897 |
| James Linn | Son | — | 14 | ~1926 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 1
Wayne, Michigan · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Linn |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 12
Wayne-County, Michigan · implied b. ~1928 — 4 household members
| Surname | Linn |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| 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 Linn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Linn
Daughter · 1940 · age 12 · b. ~1928 · Michigan
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Sibling
James Linn
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-t0627-01890-00090)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Theodore Freeborn | 51 | Brother | Clerk | Michigan |
| 42 | Charles W. Anderson | 49 | Head | Div. Repairman | Michigan |
| 43 | Elizabeth Anderson | 45 | Wife | — | Michigan |
| 44 | Ralph S. Anderson | 19 | Son | New Worker | Michigan |
| 45 | Evelyn L. Anderson | 16 | Daughter | — | Michigan |
| 46 | Alfred E. Anderson | 13 | Son | — | Michigan |
| 47 | Alice J. Anderson | 8 | Daughter | — | Michigan |
| 48 | Nelson J. Johnson | 33 | Head | Foreman | Oklahoma |
| 49 | Jeanette Johnson | 31 | Wife | — | Michigan |
| 50 | James Hoge | 5 | Step-son | — | West Virginia |
| 51 | Arthur S. Holladay | 57 | Head | Carpenter | Virginia |
| 52 | Mae D. Holladay | 43 | Wife | — | Michigan |
| 53 | Gertrude Holladay | 19 | Daughter | — | Michigan |
| 54 | Betty Holladay | 17 | Daughter | — | Michigan |
| 55 | George L. Caruana | 42 | Head | Hog-Killer | Malta |
| 56 | Dora M. Caruana | 39 | Wife | Laundress | Pennsylvania |
| 57 | Walter Linn | 43 | Head | Tool Maker | Scotland |
| 58 | Sylvia J. Linn | 40 | Wife | — | Scotland |
| 59 | James D. Linn | 14 | Son | — | Michigan |
| 60 | Mary J. Linn THIS PERSON | 12 | Daughter | — | Michigan |
| 61 | Otto G. Hildebrandt | 47 | Head | Carpenter | Minnesota |
| 62 | Gertrude E. Hildebrandt | 39 | Wife | — | Texas |
| 63 | George C. Flynn | 33 | Head | Bus Driver | Ohio |
| 64 | Lucille M. Flynn | 38 | Wife | — | Michigan |
| 65 | George F. Flynn | 18 | Son | — | Michigan |
| 66 | Ruth E. Flynn | 15 | Daughter | — | Michigan |
| 67 | Patricia A. Flynn | 13 | Daughter | — | Michigan |
| 68 | Lois C. Flynn | 11 | Daughter | — | Michigan |
| 69 | James M. Flynn | 6 | Son | — | Michigan |
| 70 | Frank E. B. Brown | 56 | Head | Salesman | Illinois |
| 71 | Sigrid C. Brown | 45 | Wife | — | Michigan |
| 72 | Alden F. Brown | 23 | Son | Truck Driver | Illinois |
| 73 | Grace M. Brown | 19 | Daughter | Saleslady | Illinois |
| 74 | Vivian M. Brown | 17 | Daughter | Clerical Worker | Michigan |
| 75 | Ruth I. Brown | 15 | Daughter | House Maid | Michigan |
| 76 | Sumner C. Brown | 7 | Son | — | Michigan |
| 77 | Denis A. Brown | 0 | Son | — | Michigan |
| 78 | Lawrence C. Smith | 47 | Head | Inspector | Missouri |
| 79 | Mary B. B. Smith | 46 | Wife | — | Missouri |
| 80 | Ella A. Bryson | 59 | Sister-in-law | Nurse | Missouri |
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)