KS
Katherine Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Webster-County, Iowa
Our Model Tree links this Katherine Smith across the 1920, 1930 and 1940 US Censuses in Webster-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 2-person household.
Age 57
b. ~1883
Female
Head
Born: Sweden
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Webster-County, Iowa |
| Surname | Smith |
| Given Name | Katherine |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Fort Dodge |
| 1935 Residence (County) | Webster |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | housekeeper |
| Industry | private home |
| Class of Worker | PW |
| Hours Worked | 49 |
| Income (1939) | 208 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Housekeeper |
| Township / Ward | Fort Dodge |
| Est. Birth Year | ~1883 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Elva Smith | Daughter | — | 25 | ~1915 |
| Katherine Smith | Head | — | 57 | ~1883 |
Census Appearances
1920
Webster, Iowa
Spouse, age 35
Webster, Iowa · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1900 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Webster, Iowa
Spouse, age 47
Webster, Iowa · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Webster-County, Iowa
Head, age 57
Webster-County, Iowa · implied b. ~1883 — 2 household members
| Surname | Smith |
| Given Name | Katherine |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Fort Dodge |
| 1935 Residence (County) | Webster |
| Naturalization Status | Naturalized |
| Occupation | housekeeper |
| Industry | private home |
| Class of Worker | PW |
| Hours Worked | 49 |
| Income (1939) | 208 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Katherine Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Katherine Smith
Head · 1940 · age 57 · b. ~1883 · Iowa
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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 — Webster-County, Iowa
Open full size
1940 US Federal Census — Webster-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01212-00752)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Craig E. Walker | 13 | Head | Janitor | Iowa |
| 42 | Oscar E. Kallansrud | 45 | Head | Janitor | Iowa |
| 43 | Bertha E. Kallansrud | 44 | Wife | — | Iowa |
| 44 | Grant E. Kallansrud | 16 | Son | — | Illinois |
| 45 | Olive Wise | 60 | Lodger | — | Iowa |
| 46 | William A. Brand | 29 | Head | Salesman | Iowa |
| 47 | Bonnie E. Brand | 26 | Wife | — | Iowa |
| 48 | William J. Brand | 5 | Son | — | Iowa |
| 49 | Patricia A. Brand | 5 | Daughter | — | Iowa |
| 50 | Anna Spooner | 60 | Head | — | Russia |
| 51 | Katherine Smith THIS PERSON | 57 | Head | Housekeeper | Sweden |
| 52 | Elva R. Smith | 25 | Daughter | Beauty Operator | Iowa |
| 53 | William Nelson | 25 | Head | Salesman | Iowa |
| 54 | Winifred M. Nelson | 26 | Wife | Saleslady | Iowa |
| 55 | Eugene E. Wagner | 7 | Son | — | Iowa |
| 56 | Fannie Rueben | 69 | Head | — | Lithuania |
| 57 | Dave Rueben | 35 | Son | Salesman | Lithuania |
| 58 | W. Raymond Isley | 42 | Head | Salesman | Iowa |
| 59 | Alma Isley | 41 | Wife | — | Iowa |
| 60 | Jo Anne Isley | 17 | Daughter | — | Iowa |
| 61 | Margaret J. Isley | 13 | Daughter | — | Iowa |
| 62 | Roy D. Loomer | 59 | Head | Christian Science Practitioner | Iowa |
| 63 | Maude Loomer | 55 | Wife | — | Iowa |
| 64 | Philip H. Loomer | 33 | Son | Office Manager | Iowa |
| 65 | Donald C. Loomer | 15 | Son | — | Iowa |
| 66 | Bernard Goodrich | 31 | Head | Labeller | Iowa |
| 67 | Leona Goodrich | 27 | Wife | — | Illinois |
| 68 | William J. Goodrich | 4 | Son | — | Iowa |
| 69 | Thomas J. Boland | 39 | Head | Salesman | Iowa |
| 70 | Katheryn H. Boland | 33 | Wife | Registered Nurse | Canada |
| 71 | Dennis M. Boland | 7 | Son | — | Iowa |
| 72 | Albert H. Kallansrud | 42 | Head | Postal Clerk | Texas |
| 73 | Genevieve M. Kallansrud | 35 | Wife | — | Iowa |
| 74 | Jeanette R. Kallansrud | 15 | Daughter | — | Iowa |
| 75 | George T. Kallansrud | 6 | Son | — | Iowa |
| 76 | Raymond C. Mcquilkin | 34 | Head | Bookkeeper | Iowa |
| 77 | Ella Mae Mcquilkin | 27 | Wife | — | Iowa |
| 78 | Janet Rae Mcquilkin | 5 | Daughter | — | Iowa |
| 79 | Dorothy Hamilton | 28 | Lodger | Registered Nurse | Illinois |
| 80 | Hazel S. Woods | 21 | Lodger | Housework | Iowa |
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)