KS
Kenneth Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Poweshiek-County, Iowa
Our Model Tree links this Kenneth Smith across the 1910, 1920, 1930 and 1940 US Censuses in Poweshiek-County, Iowa (XGBoost, ~Confirmed), with identified parents James & James — first a head (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Poweshiek-County, Iowa |
| Surname | Smith |
| Given Name | Kenneth |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Brooklyn Town |
| 1935 Residence (County) | Poweshiek |
| Additional Details | |
| Occupation | helper |
| Industry | retail lumber |
| Class of Worker | PW |
| Hours Worked | 57 |
| Income (1939) | 570 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Helper |
| Township / Ward | Brooklyn Town |
| Est. Birth Year | ~1909 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Karen Smith | Daughter | — | 5 | ~1935 |
| Kenneth Smith | Head | — | 31 | ~1909 |
| Arlet Smith | Spouse | — | 28 | ~1912 |
Census Appearances
1910
Poweshiek, Iowa
Son, age 1
Poweshiek, Iowa · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Kenneth L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Ohio |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Poweshiek, Iowa
Son, age 11
Poweshiek, Iowa · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Poweshiek, Iowa
Son, age 21
Poweshiek, Iowa · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Poweshiek-County, Iowa
Head, age 31
Poweshiek-County, Iowa · implied b. ~1909 — 3 household members
| Surname | Smith |
| Given Name | Kenneth |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Brooklyn Town |
| 1935 Residence (County) | Poweshiek |
| Occupation | helper |
| Industry | retail lumber |
| Class of Worker | PW |
| Hours Worked | 57 |
| Income (1939) | 570 |
| 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 Kenneth Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Smith (~0.92 confidence) and father James Smith (~0.92 confidence) and father James Smith (~0.92 confidence) and mother Pearl Smith (~0.92 confidence) and mother Pearl Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Father
James Smith
b. ~1879
Source father
● Household
· direct · ~0.92
Father
James Smith
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Pearl Smith
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Pearl Smith
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Kenneth Smith
Head · 1940 · age 31 · b. ~1909 · 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 — Poweshiek-County, Iowa
Open full size
1940 US Federal Census — Poweshiek-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01200-00036)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Forrest Uhl | 45 | Head | Retail Salesman | Iowa |
| 42 | Nellie Uhl | 43 | Wife | — | Iowa |
| 43 | Charles Uhl | 19 | Son | Retail Salesman | Iowa |
| 44 | Benjamin Swain | 87 | Head | — | Ireland |
| 45 | Mary Kriegel | 66 | Head | — | Iowa |
| 46 | Harold Kness | 37 | Head | Proprietor | Iowa |
| 47 | Grace Kness | 36 | Wife | — | Iowa |
| 48 | Shirley Kness | 11 | Daughter | — | Iowa |
| 49 | Roger Kness | 9 | Son | — | Iowa |
| 50 | Jerry Kness | 6 | Son | — | Iowa |
| 51 | Wesley Smith | 49 | Head | Laborer | Iowa |
| 52 | Everitt Smith | 22 | Son | Deliveryman | Iowa |
| 53 | Wayne Smith | 15 | Son | — | Iowa |
| 54 | Vivian Smith | 12 | Daughter | — | Iowa |
| 55 | Al H. Avery | 50 | Head | Proprietor | Maryland |
| 56 | Bertha Avery | 46 | Wife | Teacher | Missouri |
| 57 | Roy Jacobs | 50 | Head | Mason Labor | Minnesota |
| 58 | Eva Jacobs | 48 | Wife | Teacher | Iowa |
| 59 | Arthur Happy | 75 | Head | — | Iowa |
| 60 | Minnie Happy | 75 | Wife | — | New York |
| 61 | Sam J. Smith | 61 | Head | Pumpman | Iowa |
| 62 | Cora Smith | 60 | Wife | — | Iowa |
| 63 | Cleo Smith | 22 | Son | Mechanic | Iowa |
| 64 | Bert Mccullock | 68 | Head | — | Iowa |
| 65 | Grant Mccullock | 57 | Brother | — | Iowa |
| 66 | Kenneth Smith THIS PERSON | 31 | Head | Helper | Iowa |
| 67 | Arlet Smith | 28 | Wife | — | Iowa |
| 68 | Karen Smith | 5 | Daughter | — | Iowa |
| 69 | Anna Dappen | 48 | Head | W.P.A. | Iowa |
| 70 | Anna Keeney | 76 | Head | — | Missouri |
| 71 | Frank Dunton | 74 | Head | Labor | Illinois |
| 72 | Leo Dunton | 47 | Son | Clerk | Iowa |
| 73 | Guy Dunton | 45 | Son | Assistant | Iowa |
| 74 | Blanche Dunton | 42 | Daughter-in-law | — | Illinois |
| 75 | Mildred Sowerwine | 19 | Granddaughter | — | Iowa |
| 76 | Donald Sowerwine | 21 | Grandson-in-law | Farm Laborer | Iowa |
| 77 | Robert Sowerwine | 0 | Great-grandchild | — | Iowa |
| 78 | Mark Johnston | 52 | Head | Farm Laborer | Iowa |
| 79 | Cora Johnston | 44 | Wife | — | Iowa |
| 80 | Ralph Norris | 28 | Head | Farm Laborer | Iowa |
Pedigree Summary
Kenneth
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)