RM
Robert Marshall — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wapello-County, Iowa
Our Model Tree links this Robert Marshall across the 1920, 1930 and 1940 US Censuses in Wapello-County, Iowa (XGBoost, ~Confirmed), with identified parents Daniel & Houch — first a son (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wapello-County, Iowa |
| Surname | Marshall |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Eldon City |
| 1935 Residence (County) | Wapello County |
| Additional Details | |
| Occupation | Buyer |
| Industry | Wholesale Trade |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3600 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Buyer |
| Township / Ward | Eldon City |
| 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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Houch Marshall | Head | — | 55 | ~1885 |
| Robert Marshall | Son | — | 31 | ~1909 |
| Myrtle Marshall | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Wapello, Iowa
Son, age 12
Wapello, Iowa · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Wapello, Iowa
Son, age 22
Wapello, Iowa · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Robert R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Wapello-County, Iowa
Son, age 31
Wapello-County, Iowa · implied b. ~1909 — 3 household members
| Surname | Marshall |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Eldon City |
| 1935 Residence (County) | Wapello County |
| Occupation | Buyer |
| Industry | Wholesale Trade |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3600 |
| 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 Robert Marshall across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Marshall (~0.92 confidence) and father Houch Marshall (~0.92 confidence) and mother Myrtle Marshall (~0.92 confidence) and mother Myrtle Marshall (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Marshall
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Houch Marshall
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Myrtle Marshall
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Myrtle Marshall
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Marshall
Son · 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 — Wapello-County, Iowa
Open full size
1940 US Federal Census — Wapello-County, Iowa
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01209-01255)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Zulah Flint | 54 | Wife | — | Iowa |
| 3 | William Friend | 71 | Head | — | Iowa |
| 4 | Grace Friend | 63 | Wife | — | Iowa |
| 5 | William F. Taylor | 78 | Head | Lawyer | Ohio |
| 6 | Laura Taylor | 72 | Wife | — | Iowa |
| 7 | Arthur Tufts | 60 | Head | Carpenter | Iowa |
| 8 | Eugene Bedford | 17 | Lodger | — | Iowa |
| 9 | Reuben Lutz | 54 | Head | Brakeman | Iowa |
| 10 | Myrtle Lutz | 50 | Wife | — | Nebraska |
| 11 | Kelsey Fenney | 33 | Head | Insurance Agent | Iowa |
| 12 | Kathryn Fenney | 25 | Wife | — | Iowa |
| 13 | Richard Fenney | 25 | Son | Insurance Agent | Iowa |
| 14 | Guy Hughes | 48 | Head | Brakeman | Iowa |
| 15 | Edna Hughes | 48 | Wife | — | Iowa |
| 16 | Robert Hughes | 18 | Son | — | Iowa |
| 17 | Theodore Ryleen | 23 | Daughter | — | Iowa |
| 18 | Sloann Ryleen | 1 | Granddaughter | — | Iowa |
| 19 | Houch Marshall | 55 | Head | Switchman | Missouri |
| 20 | Myrtle Marshall | 49 | Wife | — | Iowa |
| 21 | Robert Marshall THIS PERSON | 31 | Son | Buyer | Iowa |
| 22 | Isaac Deford | 62 | Head | Locomotive Engineer | Iowa |
| 23 | Nora Deford | 55 | Wife | — | Iowa |
| 24 | Fred Lutz | 53 | Head | Switchman | Iowa |
| 25 | Zula Lutz | 49 | Wife | — | Missouri |
| 26 | Paul Lutz | 20 | Son | — | Iowa |
| 27 | Frances Lutz | 18 | Daughter | — | Iowa |
| 28 | George Harvard | 62 | Head | — | Iowa |
| 29 | Mabel Harvard | 60 | Wife | — | Iowa |
| 30 | Ralph Hogue | 43 | Head | Locomotive Engineer | Iowa |
| 31 | Dorothy Hogue | 33 | Wife | — | Missouri |
| 32 | Anna Copeland | 70 | Head | — | Iowa |
| 33 | William Logue | 56 | Head | Telegrapher | Iowa |
| 34 | Mary E. Logue | 57 | Wife | — | Iowa |
| 36 | Emma Beckner | 71 | Head | — | Illinois |
| 37 | Frank Woods | 64 | Head | Engineer | Iowa |
| 38 | Blanche Woods | 28 | Daughter | — | Iowa |
| 39 | James Woods | 33 | Son-in-law | Boiler Helper | Iowa |
| 40 | James Jr. Woods | 10 | Grandson | — | Iowa |
Pedigree Summary
Robert
Gen 1 · 4 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)