MS
Mary Swanson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Big-Horn-County, Wyoming
Our Model Tree links this Mary Swanson across the 1920, 1930 and 1940 US Censuses in Big-Horn-County, Wyoming (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 6-person household.
Age 63
b. ~1877
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Big-Horn-County, Wyoming |
| Surname | Swanson |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Greybull Town |
| 1935 Residence (County) | Big Horn |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Greybull Town |
| Est. Birth Year | ~1877 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty Lawrence | Other | — | 14 | ~1926 |
| N Swanson | Head | — | 67 | ~1873 |
| Mary Swanson | Spouse | — | 63 | ~1877 |
| Dorothy Lawrence | Other | — | 12 | ~1928 |
| Margaret Lawrence | Daughter | — | 37 | ~1903 |
| Viola Ellison | Other | — | 42 | ~1898 |
Census Appearances
1920
Big Horn, …
Spouse, age 42
Big Horn, Wyoming · implied b. ~1878 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Big Horn, …
Spouse, age 53
Big Horn, Wyoming · implied b. ~1877 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Mary S |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 19 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Big-Horn-County, Wyoming
Spouse, age 63
Big-Horn-County, Wyoming · implied b. ~1877 — 6 household members
| Surname | Swanson |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Greybull Town |
| 1935 Residence (County) | Big Horn |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Swanson
Spouse · 1940 · age 63 · b. ~1877 · Wyoming
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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 — Big-Horn-County, Wyoming
Open full size
1940 US Federal Census — Big-Horn-County, Wyoming
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04568-00652)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | F. W. De Nuter | 57 | head | Meat Cutter | Iowa |
| 42 | Lorna De Nuter | 50 | wife | — | Iowa |
| 43 | May Schumaker | 52 | head | Teacher | Kansas |
| 44 | Oscar Schumaker | 29 | son | Florist | Wyoming |
| 45 | Jean Sarracino | 28 | roomer | Teacher | Colorado |
| 46 | Helen Miller | 27 | roomer | Teacher | Missouri |
| 47 | Verleta Williams | 42 | head | — | Nebraska |
| 48 | L. E. Caldwell | 65 | head | Janitor | Wisconsin |
| 49 | Mary Caldwell | 54 | wife | — | Kansas |
| 50 | David Patterson | 47 | head | Still Man | Iowa |
| 51 | Lois Patterson | 41 | wife | — | Iowa |
| 52 | Russell Patterson | 14 | son | — | Wyoming |
| 53 | Anna Weintz | 37 | roomer | Cashier Bookkeeper | Wyoming |
| 54 | W. F. Gibson | 75 | head | Clerk | Virginia |
| 55 | Leona Gibson | 71 | wife | — | Kansas |
| 56 | William Gibson | 32 | son | Plumber | Montana |
| 57 | R. F. Wheeler | 27 | head | Laborer | Montana |
| 58 | Bell Wheeler | 25 | wife | — | Idaho |
| 59 | Loretta Wheeler | 5 | daughter | — | Wyoming |
| 60 | N. H. Swanson | 67 | head | Manager | Iowa |
| 61 | Mary Swanson THIS PERSON | 63 | wife | — | Iowa |
| 62 | Margaret Lawrence | 37 | daughter | Clerk | Iowa |
| 63 | Betty Lawrence | 14 | grand daughter | — | Wyoming |
| 64 | Dorothy Lawrence | 12 | grand daughter | — | Wyoming |
| 65 | Viola Ellison | 42 | sister-in-law | Clerk | Iowa |
| 66 | S. H. Krajicek | 43 | head | Engineer | Nebraska |
| 67 | Ellen Krajicek | 37 | wife | — | Montana |
| 68 | Richard Krajicek | 10 | son | — | Wyoming |
| 69 | Kay Krajicek | 5 | daughter | — | Wyoming |
| 70 | J. F. Zednick | 58 | head | Barber | Nebraska |
| 71 | Wilmina Zednick | 54 | wife | Nurse | Pennsylvania |
| 72 | Elise Zednick | 18 | daughter | New Worker | Wyoming |
| 73 | Meredith Zednick | 17 | son | — | Wyoming |
| 74 | W. E. Lacewell | 24 | head | Parts Man | Kansas |
| 75 | Edna Lacewell | 24 | wife | — | Kentucky |
| 76 | Marie Lacewell | 5 | daughter | — | Wyoming |
| 77 | I. R. Sherard | 43 | head | Bartender | Missouri |
| 78 | Edith Sherard | 44 | wife | — | Nebraska |
| 79 | Lucille Sherard | 19 | daughter | — | Wyoming |
| 80 | — | None | — | — | — |
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)