IS
Ira Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vernon-County, Wisconsin
Our Model Tree links this Ira Smith across the 1920, 1930 and 1940 US Censuses in Vernon-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Orville & Bessie — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vernon-County, Wisconsin |
| Surname | Smith |
| Given Name | Ira |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Vernon |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farming |
| Township / Ward | Township Of Viroqua |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ira | Age | Birth yr |
|---|---|---|---|---|
| Genevieve Smith | Daughter | — | 19 | ~1921 |
| Orville Smith | Head | — | 56 | ~1884 |
| Erling Smith | Son | — | 9 | ~1931 |
| Ira Smith | Son | — | 21 | ~1919 |
| Bessie Smith | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Vernon, Wisconsin
Son, age
Vernon, Wisconsin · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ira |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Vernon, Wisconsin
Son, age 10
Vernon, Wisconsin · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ira |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Vernon-County, Wisconsin
Son, age 21
Vernon-County, Wisconsin · implied b. ~1919 — 5 household members
| Surname | Smith |
| Given Name | Ira |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Vernon |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Ira Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Orville Smith (~0.92 confidence) and mother Bessie Smith (~0.92 confidence) and mother Bessie Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Orville Smith
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Bessie Smith
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Bessie Smith
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ira Smith
Son · 1940 · age 21 · b. ~1919 · Wisconsin
★ You are viewing this record
Sibling
Erling Smith
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Smith
Sibling · 1940 · age 19
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 — Vernon-County, Wisconsin
Open full size
1940 US Federal Census — Vernon-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04530-00760)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lou Clements | 43 | Head | Farming | Wisconsin |
| 42 | Desta Clements | 39 | Wife | — | Wisconsin |
| 43 | Frances Clements | 18 | Daughter | — | Wisconsin |
| 44 | Russell Clements | 19 | Hired man | Laborer | Wisconsin |
| 45 | George Clements | 61 | Head | Farming | Wisconsin |
| 46 | Effie Clements | 58 | Wife | — | Wisconsin |
| 47 | Raymond Clements | 32 | Son | Laborer | Wisconsin |
| 48 | Darrel Clements | 17 | Son | — | Wisconsin |
| 49 | Bernard Clements | 15 | Son | — | Wisconsin |
| 50 | Gerhard Larson | 36 | Head | Laborer | Wisconsin |
| 51 | Ruth Larson | 26 | Wife | — | Wisconsin |
| 52 | Ralph Larson | 6 | Son | — | Wisconsin |
| 53 | Harland Larson | 4 | Son | — | Wisconsin |
| 54 | Norman Engh | 32 | Head | Farming | Wisconsin |
| 55 | Alice Engh | 31 | Wife | — | Wisconsin |
| 56 | Eugene Engh | 8 | Son | — | Wisconsin |
| 57 | Beverly Engh | 7 | Daughter | — | Wisconsin |
| 58 | Janice Engh | 1 | Daughter | — | Wisconsin |
| 59 | Archie Saggmoen | 25 | Hired man | Laborer | Wisconsin |
| 60 | Sjert Olson | 49 | Head | Farming | Norway |
| 61 | Anna Olson | 64 | Wife | — | Wisconsin |
| 62 | Anna Olson | 23 | Daughter | — | Wisconsin |
| 63 | Gilbert Olson | 21 | Son | Laborer | Wisconsin |
| 64 | Donald Olson | 2 | Son | — | Wisconsin |
| 65 | Martha Craig | 75 | Head | — | Wisconsin |
| 66 | Harrison Craig | 41 | Son | — | Wisconsin |
| 67 | Orville Smith | 56 | Head | Farming | Wisconsin |
| 68 | Bessie Smith | 47 | Wife | — | Wisconsin |
| 69 | Genevieve Smith | 19 | Daughter | Maid | Wisconsin |
| 70 | Ira Smith THIS PERSON | 21 | Son | Farming | Wisconsin |
| 71 | Erling Smith | 9 | Son | — | Wisconsin |
| 72 | Alex Nelson | 54 | Head | Farming | Wisconsin |
| 73 | Anna Nelson | 49 | Wife | — | Wisconsin |
| 74 | Robert Nelson | 8 | Grandson | — | Wisconsin |
| 75 | George Buckles | 30 | Head | Farming | Wisconsin |
| 76 | Fred Lake | 63 | Head | Farming | Wisconsin |
| 77 | Nellie Lake | 60 | Wife | — | Wisconsin |
| 78 | Hazel Lake | 34 | Daughter | — | Wisconsin |
| 79 | Lawrence Demskey | 34 | Hired man | Laborer | Wisconsin |
| 80 | Jo Ann Smith | 8 | Granddaughter | — | Wisconsin |
Pedigree Summary
Ira + 2 siblings
Gen 1 · 3 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)