RB
Robert Bruce — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marshall-County, Iowa
Our Model Tree links this Robert Bruce across the 1920, 1930 and 1940 US Censuses in Marshall-County, Iowa (XGBoost, ~Confirmed), with identified parents Charles & Eda — first a head (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marshall-County, Iowa |
| Surname | Bruce |
| Given Name | Robert (x) |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Marshalltown |
| 1935 Residence (County) | Marshall |
| Additional Details | |
| Occupation | Musician |
| Industry | Dance Orchestra |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 500 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Musician |
| Township / Ward | Marshalltown |
| Est. Birth Year | ~1916 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Claudette Bruce | Daughter | — | 1 | ~1939 |
| Robert Bruce | Head | — | 24 | ~1916 |
| John Bruce | Son | — | 3 | ~1937 |
| Louise Bruce | Spouse | — | 20 | ~1920 |
Census Appearances
1920
Marshall, Iowa
Son, age 4
Marshall, Iowa · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bruce |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Marshall, Iowa
Son, age 14
Marshall, Iowa · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bruce |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Marshall-County, Iowa
Head, age 24
Marshall-County, Iowa · implied b. ~1916 — 4 household members
| Surname | Bruce |
| Given Name | Robert (x) |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Marshalltown |
| 1935 Residence (County) | Marshall |
| Occupation | Musician |
| Industry | Dance Orchestra |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 500 |
| Highest Grade | Hs 1 |
| 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 Bruce across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Bruce (~0.92 confidence) and mother Eda Bruce (~0.92 confidence) and mother Etta Bruce (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Bruce
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Eda Bruce
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Etta Bruce
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Bruce
Head · 1940 · age 24 · b. ~1916 · 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-t0627-01182-00770)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Johnson | 27 | wife | — | Iowa |
| 2 | Eugene Johnson | 9 | son | — | Iowa |
| 3 | Joan Johnson | 8 | Daughter | — | Iowa |
| 4 | Harry Johnson | 2 | son | — | Iowa |
| 5 | Nellie (X) Hallman | 75 | head | Old Age Pension | Iowa |
| 6 | Minister, James M Hallman | 64 | Brother | — | Iowa |
| 7 | Merle (X) Collen | 37 | head | Laborer | Colorado |
| 8 | Helen (X) Collen | 25 | wife | — | Iowa |
| 9 | Delpha May Collen | 5 | Daughter | — | Iowa |
| 10 | Richard Collen | 3 | son | — | Iowa |
| 11 | Robert (X) Bruce THIS PERSON | 24 | head | Musician | Iowa |
| 12 | Louise Bruce | 20 | wife | — | Missouri |
| 13 | John Charles Bruce | 3 | son | — | Iowa |
| 14 | Claudette Bruce | 1 | Daughter | — | Iowa |
| 15 | James (X) Brown | 31 | head | Laborer | Alabama |
| 16 | Mildred Brown | 25 | wife | — | Iowa |
| 17 | Edward Brown | 36 | lodger | Meat Cutter | Iowa |
| 18 | — | None | — | — | — |
| 19 | Carl Davenport | 54 | head | Laborer | Iowa |
| 20 | Joanna Davenport | 57 | wife | — | Iowa |
| 21 | Ralph R Davenport | 23 | son | Laborer | Iowa |
| 22 | Ollie Tight | 51 | Sister in law | — | Iowa |
| 23 | Edward Hovaglus | 53 | head | Laborer | Iowa |
| 24 | Ruella Hovaglus | 55 | wife | — | Kansas |
| 25 | Detlev (X) Nielsen | 55 | head | — | Denmark |
| 26 | Margaret Nielsen | 51 | wife | — | Germany |
| 27 | William Langdon | 57 | head | Foreman | Iowa |
| 28 | Maud Langdon | 57 | wife | — | Iowa |
| 29 | James R Mcnair | 88 | Father in law | — | Illinois |
| 30 | Hazel Rachel | 36 | Sister in law | — | Iowa |
| 31 | F. George Roach | 65 | head | Weigh Master | Iowa |
| 32 | Hermine Roach | 63 | wife | — | Germany |
| 33 | Albert Hanson | 63 | head | Carpenter | Illinois |
| 34 | Hattie W Hanson | 54 | wife | Laborer | Iowa |
| 35 | Clarence Hanson | 23 | son | Attendant | Iowa |
| 36 | Joseph W Harm | 57 | head | — | Ohio |
| 37 | Minna E Harm | 45 | wife | Seamstress | Illinois |
| 38 | Frances Harm | 24 | Daughter | Laborer | Iowa |
| 39 | Viola Harm | 14 | Daughter | — | Iowa |
| 40 | Mary (X) Nollen | 53 | head | — | Alabama |
Pedigree Summary
Robert
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)