MS
Mary Swanson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Mary Swanson across the 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 9-person household.
Age 30
b. ~1910
Female
Daughter
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Swanson |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Denver City |
| Est. Birth Year | ~1910 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Robert Scawieder | Son | — | 17 | ~1923 |
| Alice Scawieder | Spouse | — | 54 | ~1886 |
| William Swanson | Other | — | 2 | ~1938 |
| Mary Swanson | Daughter | — | 30 | ~1910 |
| Harold Swanson | Other | — | 10 | ~1930 |
| John Scawieder | Son | — | 18 | ~1922 |
| Genevieve Swanson | Other | — | 4 | ~1936 |
| W Scawieder | Head | — | 59 | ~1881 |
| Mary Swanson | Other | — | 8 | ~1932 |
Census Appearances
1930
Denver, Colorado
Spouse, age 21
Denver, Colorado · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Daughter, age 30
Denver-County, Colorado · implied b. ~1910 — 9 household members
| Surname | Swanson |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 30 · b. ~1910 · Colorado
★ You are viewing this record
Sibling
John Scawieder
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Scawieder
Sibling · 1940 · age 17
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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
30 people indexed on this census page (nara:1940:m-t0627-00493-00462)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vivian L. Niedert | 8 | Daughter | — | South Dakota |
| 42 | Keith A. Niedert | 6 | Son | — | South Dakota |
| 43 | Arthur R. Gilbert | 54 | Head | Dairy Hand | Colorado |
| 44 | Dixie L. Gilbert | 52 | Wife | — | Colorado |
| 45 | Kathrine R. Densmore | 68 | Head | — | North Ireland |
| 46 | Charles Roesler | 47 | Head | Machine Operator | Colorado |
| 47 | Martha Roesler | 32 | Wife | — | Kentucky |
| 48 | Helen Roesler | 7 | Daughter | — | Arkansas |
| 49 | Charles Roesler | 3 | Son | — | Arkansas |
| 50 | Rita Roesler | 1 | Daughter | — | Colorado |
| 51 | O. V. Wilson | 47 | Head | Clerk | Texas |
| 52 | Mary Wilson | 41 | Wife | — | Spain |
| 53 | Donnell R. Hawley | 29 | Lodger | Iron Worker | Nebraska |
| 54 | George Keene | 27 | Head | Laborer | Kansas |
| 55 | Lucille Keene | 25 | Wife | — | Illinois |
| 56 | Betty Keene | 2 | Daughter | — | Colorado |
| 57 | Loretta Keene | 1 | Daughter | — | Colorado |
| 58 | D. J. Jr. Bromley | 22 | Head | Truck Driver | Colorado |
| 59 | Margaret Bromley | 22 | Wife | — | Colorado |
| 60 | W. F. Scawieder | 59 | Head | Dairy Owner | Germany |
| 61 | Alice M. Scawieder | 54 | Wife | — | Ohio |
| 62 | John Scawieder | 18 | Son | Dairy Hand | Colorado |
| 63 | Robert Scawieder | 17 | Son | — | Colorado |
| 64 | Mary E. Swanson THIS PERSON | 30 | Daughter | — | Colorado |
| 65 | Harold C. Swanson | 10 | Grandson | — | Colorado |
| 66 | Mary J. Swanson | 8 | Granddaughter | — | Colorado |
| 67 | Genevieve Swanson | 4 | Granddaughter | — | Colorado |
| 68 | William Swanson | 2 | Grandson | — | Colorado |
| 69 | Foster R. Morris | 45 | Head | Sta Fireman | Kansas |
| 80 | Charles Roesler | 47 | — | Coppersmith | Austria |
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)