MS
Mary Swanson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Swanson across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 5-person household.
Age 12
b. ~1928
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Swanson |
| Given Name | Mary Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Shelton |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Plymouth |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Swanson | Daughter | — | 12 | ~1928 |
| Herbert Swanson | Son | — | 8 | ~1932 |
| Margaret Swanson | Daughter | — | 10 | ~1930 |
| Hilda Swanson | Spouse | — | 37 | ~1903 |
| Herbert Swanson | Head | — | 38 | ~1902 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 1
Wayne, Michigan · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 12
Wayne-County, Michigan · implied b. ~1928 — 5 household members
| Surname | Swanson |
| Given Name | Mary Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Shelton |
| 1935 Residence (County) | Wayne |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Michigan |
| 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 Swanson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Swanson
Daughter · 1940 · age 12 · b. ~1928 · Michigan
★ You are viewing this record
Sibling
Margaret Swanson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Swanson
Sibling · 1940 · age 8
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-t0627-01835-00345)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ralph Pentecost | 32 | Head | Machinist | Michigan |
| 2 | Astrid Pentecost | 25 | Wife | — | Michigan |
| 3 | William Johnson | 41 | Head | Salesman | Michigan |
| 4 | Ethel Johnson | 37 | Wife | — | Canada |
| 5 | Owen Johnson | 15 | Son | — | Michigan |
| 6 | Wendel Johnson | 14 | Son | — | Michigan |
| 7 | Robert Johnson | 9 | Son | — | Michigan |
| 8 | Raymond Farrent | 33 | Head | Stationary Engineer | Ohio |
| 9 | June Farrent | 38 | Wife | Nurse | Michigan |
| 10 | William E. Farrent | 11 | Son | — | Michigan |
| 11 | Mary Payment | 85 | mother | — | New York |
| 12 | Maggie A. Wentz | 77 | Head | — | Germany |
| 13 | Clifford D. Wood | 31 | Grandson | Machinist | Michigan |
| 14 | Dorothy Wood | 32 | granddaughter | Gen Office | Michigan |
| 15 | Harold Norgrave | 37 | Head | Fireman | Michigan |
| 16 | Louise Norgrave | 36 | Wife | — | Michigan |
| 17 | Herbert Swanson | 38 | Head | Service Manager | Ohio |
| 18 | Hilda A. Swanson | 37 | Wife | — | Ohio |
| 19 | Mary Helen Swanson THIS PERSON | 12 | Daughter | — | Michigan |
| 20 | Margaret Swanson | 10 | Daughter | — | Michigan |
| 21 | Herbert Swanson | 8 | Son | — | Michigan |
| 22 | Bert O. Toncrey | 62 | Head | Automatic Sprinkler Fitter | Michigan |
| 23 | Hattie Toncrey | 63 | Wife | — | Michigan |
| 24 | Grace Toncrey | 25 | Daughter | Secretary | Michigan |
| 25 | William Mcclain | 43 | Head | Watchman | Iowa |
| 26 | Elizabeth Mcclain | 45 | Wife | — | Scotland |
| 27 | James Mcclain | 20 | Son | Utility Man | Iowa |
| 28 | Roger Mcclain | 18 | Son | — | Iowa |
| 29 | John Mcclain | 15 | Son | — | Scotland |
| 30 | Sterling Kennedy | 26 | Head | Accountant | Michigan |
| 31 | Madeline Kennedy | 23 | Wife | — | Canada |
| 32 | Wesley Sheere | 33 | Head | Teller | Ohio |
| 33 | Margaret A. Sheere | 38 | Wife | — | Michigan |
| 34 | Marilyn Sheere | 4 | Daughter | — | Michigan |
| 35 | Charles A. Traser | 74 | Head | — | Wisconsin |
| 36 | Christina Traser | 78 | Wife | — | Wisconsin |
| 37 | Cordula Traser | 47 | Daughter | Binder | Wisconsin |
| 38 | Hannah Traser | 38 | Daughter | Music Teacher | Illinois |
| 39 | Theodore Traser | 37 | Son | Assistant Superintendent | Illinois |
| 40 | Earl R. Wolfe | 49 | Head | Salesman | Canada |
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)