VS
Vernon Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marshall-County, Iowa
Our Model Tree links this Vernon Smith across the 1910, 1920, 1930 and 1940 US Censuses in Marshall-County, Iowa (XGBoost, ~Confirmed), with identified parents Henry & Minnie — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marshall-County, Iowa |
| Surname | Smith |
| Given Name | Vernon W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Jefferson Twp |
| 1935 Residence (County) | Marshall |
| Additional Details | |
| Occupation | Laborer |
| Industry | RR |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 300 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Jefferson Twp |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Vernon | Age | Birth yr |
|---|---|---|---|---|
| Vernon Smith | Head | — | 31 | ~1909 |
| Stanley Smith | Son | — | 2 | ~1938 |
| Phillip Smith | Son | — | ~1940 | |
| Nancy Smith | Spouse | — | 26 | ~1914 |
Census Appearances
1910
Marshall, Iowa
Son, age 1
Marshall, Iowa · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Vernon W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Marshall, Iowa
Son, age 11
Marshall, Iowa · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Vernon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Marshall, Iowa
Son, age 21
Marshall, Iowa · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Vernon W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | Gen. Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Marshall-County, Iowa
Head, age 31
Marshall-County, Iowa · implied b. ~1909 — 4 household members
| Surname | Smith |
| Given Name | Vernon W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Jefferson Twp |
| 1935 Residence (County) | Marshall |
| Occupation | Laborer |
| Industry | RR |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 300 |
| Highest Grade | C 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 Vernon Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Smith (~0.92 confidence) and mother Minnie Smith (~0.92 confidence) and mother Minnie Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Smith
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Minnie Smith
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Minnie Smith
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Vernon 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 — Marshall-County, Iowa
Open full size
1940 US Federal Census — Marshall-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01182-00134)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John E. Smith | 63 | Head | Retired | Iowa |
| 2 | Sarah Smith | 62 | Wife | Housewife | Iowa |
| 3 | Vernon W. Smith THIS PERSON | 31 | Head | Laborer | Iowa |
| 4 | Nancy M. Smith | 26 | Wife | Housewife | Iowa |
| 5 | Stanley Smith | 2 | Son | — | Iowa |
| 6 | Phillip R. Smith | 0 | Son | — | Iowa |
| 7 | William Ellerbusch | 39 | Head | Farming | Iowa |
| 8 | Adolph Oartwing | 62 | Hired hand | Farm Labor | Germany |
| 9 | Peter O. Louks | 77 | Head | Retired | Germany |
| 10 | Mary Louks | 75 | Wife | Housewife | Germany |
| 11 | Jacob Schmidt | 79 | Head | Retired | Germany |
| 12 | Anna C. Schmidt | 74 | Wife | Housewife | Germany |
| 13 | Catherine M. Schmidt | 39 | Daughter | Housekeeper | Iowa |
| 14 | Graham J. Smith | 11 | Son | — | Iowa |
| 15 | Christian C. Louks | 75 | Head | Farmer | Germany |
| 16 | Edward C. Louks | 25 | Son | Farmer | Iowa |
| 17 | Gayle E. Louks | 19 | Daughter-in-law | Housewife | Iowa |
| 18 | Evelyn R. Louks | 15 | Daughter | — | Iowa |
| 19 | Robert O. Louks | 21 | Head | Farm Labor | Iowa |
| 20 | Jeanine Louks | 21 | Wife | Housewife | Iowa |
| 21 | Sharon Louks | 3 | Daughter | — | Iowa |
| 22 | Bobett Louks | 1 | Daughter | — | Iowa |
| 23 | Alex Louks | 53 | Head | Farming | Iowa |
| 24 | Mabel Louks | 43 | Wife | Housewife | Iowa |
| 25 | James H. Howard | 53 | Head | Farming | West Virginia |
| 26 | Dora E. Howard | 50 | Wife | Housewife | Iowa |
| 27 | Kenneth J. Howard | 24 | Son | Farm Labor | Iowa |
| 28 | Velmar W. Howard | 15 | Son | Farm Labor | Iowa |
| 29 | Angel S. Howard | 16 | Daughter | — | Iowa |
| 30 | George F. Howard | 13 | Son | — | Iowa |
| 31 | Donald A. Howard | 11 | Son | — | Iowa |
| 32 | Virginia M. Howard | 9 | Daughter | — | Iowa |
| 33 | Ruth E. Howard | 6 | Daughter | — | Iowa |
| 34 | Harold L. Brown | 36 | Head | Farming | Iowa |
| 35 | Arva M. Brown | 34 | Wife | Housewife | Iowa |
| 36 | Marilyn J. Brown | 10 | Daughter | — | Iowa |
| 37 | Janet E. Brown | 5 | Daughter | — | Iowa |
| 38 | Nancy L. Brown | 3 | Daughter | — | Iowa |
| 39 | Harry N. Fuller | 32 | Head | Farming | Iowa |
| 40 | Marguerite N. Fuller | 25 | Wife | Housewife | Iowa |
Pedigree Summary
Vernon
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)