KS
Katie Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Des-Moines-County, Iowa
Our Model Tree links this Katie Smith across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Des-Moines-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 8-person household.
Age 70
b. ~1870
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Des-Moines-County, Iowa |
| Surname | Smith |
| Given Name | Katie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Flint River Township |
| 1935 Residence (County) | Des Moines |
| Additional Details | |
| Occupation | housewife |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 45 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Housewife |
| Township / Ward | Flint River Township |
| Est. Birth Year | ~1870 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Katie | Age | Birth yr |
|---|---|---|---|---|
| Florence Bohlen | Daughter | — | 27 | ~1913 |
| Rosella Bohlen | Daughter | — | 3 | ~1937 |
| Peter Smith | Head | — | 70 | ~1870 |
| Isabella Wheeler | Other | — | 15 | ~1925 |
| Ervin Bohlen | Other | — | 30 | ~1910 |
| Victor Brandmeyer | Other | — | 50 | ~1890 |
| Daryl Bohlen | Other | — | 2 | ~1938 |
| Katie Smith | Spouse | — | 70 | ~1870 |
Census Appearances
1900
Des Moines, …
Spouse, age 30
Des Moines, Iowa · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Katie A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Iowa |
| Birth Month | Mar |
| Birth Year | 1870 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Des Moines, …
Spouse, age 40
Des Moines, Iowa · implied b. ~1870 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Kate B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 16 |
| Children Born | 6 |
| Children Living | 5 |
| Father's Birthplace | Ger-German |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Des Moines, …
Spouse, age 50
Des Moines, Iowa · implied b. ~1870 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Kate |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Des Moines, …
Other, age 60
Des Moines, Iowa · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Kate J. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 23 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Des-Moines-County, Iowa
Spouse, age 70
Des-Moines-County, Iowa · implied b. ~1870 — 8 household members
| Surname | Smith |
| Given Name | Katie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Flint River Township |
| 1935 Residence (County) | Des Moines |
| Occupation | housewife |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 45 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Katie Smith across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Katie Smith
Spouse · 1940 · age 70 · b. ~1870 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Des-Moines-County, Iowa
Open full size
1940 US Federal Census — Des-Moines-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01156-00904)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Irvin Jr. Johnson | 12 | Son | — | Iowa |
| 42 | Frank C. Johnson | 80 | Head | Retired Farmer | Iowa |
| 43 | Elizabeth Johnson | 77 | Wife | — | Iowa |
| 44 | Louis Pfaff | 78 | Head | Farmer | Germany |
| 45 | Emma Pfaff | 68 | Wife | Housewife | Iowa |
| 46 | John Pfaff | 42 | Son | Farmer | Iowa |
| 47 | Clara Witteimeier | 66 | Head | Farmer | Iowa |
| 48 | Henry Witteimeier | 64 | Head | Farmer | Iowa |
| 49 | Caroline Witteimeier | 72 | Wife | Housewife | Germany |
| 50 | T. J. Speidel | 66 | Head | Farmer | Iowa |
| 51 | Minnie Speidel | 61 | Wife | Housewife | Iowa |
| 52 | George H. Speidel | 54 | Head | Farmer | Iowa |
| 53 | Cecilia C. Speidel | 50 | Wife | Housewife | Iowa |
| 54 | Loretta Speidel | 19 | Daughter | — | Iowa |
| 55 | Forrest Fuhrer | 24 | Head | Bookkeeper | Iowa |
| 56 | Mabel Fuhrer | 24 | Wife | Housewife | Iowa |
| 57 | Jane Lea Fuhrer | 2 | Daughter | — | Iowa |
| 58 | Michael R. Tucker | 68 | Head | Farmer | Iowa |
| 59 | Mabel Tucker | 58 | Wife | Housewife | Nebraska |
| 60 | Marvin Tucker | 20 | Son | Glove Sewer | Iowa |
| 61 | Ralph C. Heeter | 46 | Head | Farmer | Iowa |
| 62 | Iva B. Heeter | 44 | Wife | Housewife | Iowa |
| 63 | Dewey R. Simmons | 41 | Head | Farmer | Iowa |
| 64 | Hazel Simmons | 32 | Wife | Assistant Cashier | Iowa |
| 65 | Hust Cockels | 30 | Hired man | Hired Man | Iowa |
| 66 | Viola Johnson | 18 | Hired girl | Hired Girl | Iowa |
| 67 | Ed L. Smith | 63 | Head | Farmer | Iowa |
| 68 | Robert W. Farrell | 68 | Head | Farmer | Iowa |
| 69 | Henry D. Walsh | 49 | Head | Farmer | Kansas |
| 70 | Emma Walsh | 49 | Wife | Housewife | Minnesota |
| 71 | Henrietta Walsh | 22 | Daughter | Stenographer | Iowa |
| 72 | Peter A. Smith | 70 | Head | Retired Farmer | Iowa |
| 73 | Katie Smith THIS PERSON | 70 | Wife | Housewife | Iowa |
| 74 | Ervin B. Bohlen | 30 | Son-in-law | Farmer | Iowa |
| 75 | Florence Bohlen | 27 | Daughter | Housewife | Iowa |
| 76 | Rosella Bohlen | 3 | Daughter | — | Iowa |
| 77 | Daryl Bohlen | 2 | Grandson | — | Iowa |
| 78 | Bohlen | 0 | Granddaughter | — | Iowa |
| 79 | Isabella Wheeler | 15 | Hired girl | Hired Girl | Iowa |
| 80 | Victor Brandmeyer | 50 | Hired man | Hired Man | 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)