JW
James Wallace — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marshall-County, Iowa
Our Model Tree links this James Wallace across the 1920, 1930 and 1940 US Censuses in Marshall-County, Iowa (XGBoost, ~Confirmed), with identified parents Charles & Flora — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marshall-County, Iowa |
| Surname | Wallace |
| Given Name | James E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Eden Twp |
| 1935 Residence (County) | Marshall |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 96 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Eden Twp |
| Est. Birth Year | ~1901 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Betty Wallace | Daughter | — | 18 | ~1922 |
| Lorraine Wallace | Daughter | — | 16 | ~1924 |
| James Wallace | Head | — | 39 | ~1901 |
| Florence Wallace | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Marshall, Iowa
Son, age 19
Marshall, Iowa · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | James S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| 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
Head, age 29
Marshall, Iowa · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | James E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 25 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Marshall-County, Iowa
Head, age 39
Marshall-County, Iowa · implied b. ~1901 — 4 household members
| Surname | Wallace |
| Given Name | James E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Eden Twp |
| 1935 Residence (County) | Marshall |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 96 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 James Wallace across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Wallace (~0.92 confidence) and mother Flora Wallace (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Wallace
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Flora Wallace
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Wallace
Head · 1940 · age 39 · b. ~1901 · 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-t0627-01182-00045)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ronald E. Bell | 14 | Son | — | Iowa |
| 2 | Bernice E. Bell | 11 | Daughter | — | Iowa |
| 3 | Doris J. Bell | 8 | Daughter | — | Iowa |
| 4 | Norman D. Bell | 6 | Son | — | Iowa |
| 5 | Marvin C. Allen | 29 | Head | Farmer | Minnesota |
| 6 | Hazel D. Allen | 29 | Wife | — | Missouri |
| 7 | Lois Jean Allen | 6 | Daughter | — | Iowa |
| 8 | Donna M. Allen | 2 | Daughter | 0 | Iowa |
| 9 | Margel L. Allen | 0 | Daughter | 0 | Iowa |
| 10 | Ross P. Sutton | 64 | Head | Farmer | Iowa |
| 11 | Emma Sutton | 56 | Wife | — | Iowa |
| 12 | Leona D. Sutton | 30 | Daughter | — | Iowa |
| 13 | Marilyn P. Sutton | 15 | Daughter | — | Iowa |
| 14 | Joyce A. Sutton | 12 | Granddaughter | — | Iowa |
| 15 | Carl C. Eatwell | 39 | Head | Farmer | Iowa |
| 16 | Mable Eatwell | 38 | Wife | — | Iowa |
| 17 | Eva Loraine Eatwell | 19 | Daughter | Teacher | Iowa |
| 18 | Edwin S. Haas | 51 | Head | Farmer | Iowa |
| 19 | H. Frances Haas | 46 | Wife | — | Iowa |
| 20 | John E. Haas | 24 | Son | Laborer | Iowa |
| 21 | Herbert J. Haas | 18 | Son | Laborer | Iowa |
| 22 | C. Jeanette Haas | 16 | Daughter | — | Iowa |
| 23 | John A. Bear | 29 | Head | Farmer | Iowa |
| 24 | Violet B. Bear | 27 | Wife | — | Missouri |
| 25 | Vernon Bear | 4 | Son | 0 | Iowa |
| 26 | Dorothy M. Bear | 2 | Daughter | 0 | Iowa |
| 27 | George C. Bear | 31 | Head | Farmer | Iowa |
| 28 | Ilma L. Bear | 33 | Wife | — | Iowa |
| 29 | Richard C. Bear | 11 | Son | — | Iowa |
| 30 | Shirley R. Bear | 9 | Daughter | — | Iowa |
| 31 | Franklin G. Bear | 6 | Son | — | Iowa |
| 32 | Daniel D. Bear | 66 | Head | — | Iowa |
| 33 | Mary E. Bear | 57 | Wife | — | Missouri |
| 34 | R. Fred Ahrens | 61 | Head | Farmer | Iowa |
| 35 | Ada K. Ahrens | 46 | Wife | — | Iowa |
| 36 | Dorothy M. Ahrens | 22 | Daughter | Helper | Iowa |
| 37 | James E. Wallace THIS PERSON | 39 | Head | Farmer | Iowa |
| 38 | Florence Wallace | 37 | Wife | — | Iowa |
| 39 | Betty J. Wallace | 18 | Daughter | Clerk | Iowa |
| 40 | Lorraine L. Wallace | 16 | Daughter | — | Iowa |
Pedigree Summary
James
Gen 1 · 2 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)