RM
Robert Moore — 1940 US Census Record
Model Tree available1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Robert Moore across the 1920, 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Nebraska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Moore |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Occupation | truck driver |
| Industry | private business |
| Class of Worker | OA |
| Hours Worked | 26 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Truck Driver |
| Township / Ward | Sioux City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Thomas Moore | Head | — | 68 | ~1872 |
| Ruth Moore | Other | — | 18 | ~1922 |
| Robert Moore | Son | — | 21 | ~1919 |
Census Appearances
1920
Woodbury, Iowa
Son, age 1
Woodbury, Iowa · implied b. ~1919 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Moore |
| Given Name | Robert T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Woodbury, Iowa
Son, age 11
Woodbury, Iowa · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Moore |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Woodbury-County, Iowa
Son, age 21
Woodbury-County, Iowa · implied b. ~1919 — 3 household members
| Surname | Moore |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Occupation | truck driver |
| Industry | private business |
| Class of Worker | OA |
| Hours Worked | 26 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Moore across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Moore (~0.92 confidence) and father Thomas Moore (~0.92 confidence) and mother Ella Moore (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Moore
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Thomas Moore
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Ella Moore
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Moore
Son · 1940 · age 21 · b. ~1919 · 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 — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01215-00041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mike Krulatz | 48 | Head | Laborer | Austria |
| 2 | Anna Krulatz | 45 | Wife | Laborer | Austria |
| 3 | Lewis Yandrick | 23 | Son | Laborer | Nebraska |
| 4 | Helen Yandrick | 21 | Daughter | Trimmer | Nebraska |
| 5 | John Yandrick | 18 | Son | New Worker | Iowa |
| 6 | Mary Yandrick | 15 | Daughter | — | Iowa |
| 7 | Anna Mae Yandrick | 7 | Daughter | — | Iowa |
| 8 | Thomas J. Moore | 68 | Head | — | Iowa |
| 9 | Robert L. Moore THIS PERSON | 21 | Son | Truck Driver | Nebraska |
| 10 | Ruth E. Moore | 18 | Sister | Waitress | Iowa |
| 11 | John E. Gregg | 28 | Head | Land Room | Nebraska |
| 12 | Millie M. Gregg | 34 | Wife | — | Nebraska |
| 13 | Alvin H. White | 28 | Lodger | Usher | Iowa |
| 14 | Geraldine M. White | 18 | Lodger | — | Iowa |
| 15 | Monte Ray White | 1 | Lodger | — | Iowa |
| 16 | Donald W. Grigg | 27 | Head | — | South Dakota |
| 17 | Bernice P. Grigg | 23 | Wife | Waitress | Iowa |
| 18 | Frances Grigg | 4 | Daughter | — | Iowa |
| 19 | Laura Lee Grigg | 2 | Daughter | — | Iowa |
| 20 | Jesse W. Haggin | 50 | Head | Janitor | South Dakota |
| 21 | Edith M. Haggin | 31 | Wife | — | Iowa |
| 22 | Mary Haggin | 12 | Daughter | — | Iowa |
| 23 | Agnes Haggin | 11 | Daughter | — | Iowa |
| 24 | Madeline Haggin | 5 | Daughter | — | Iowa |
| 25 | Francis H. Bowman | 47 | Head | Sr. Clerk | Illinois |
| 26 | Pearl D. Bowman | 27 | Wife | — | Iowa |
| 27 | Francis H. Bowman | 6 | Son | — | Iowa |
| 28 | Florence Bowman | 4 | Daughter | — | Iowa |
| 29 | William Shumansky | 26 | Head | Cooper Shop | Iowa |
| 30 | Lenora Shumansky | 26 | Wife | — | Illinois |
| 31 | William H. Shumansky | 2 | Son | — | Iowa |
| 32 | Henry A. Helkenn | 46 | Head | Janitor | Iowa |
| 33 | Anita Helkenn | 39 | Wife | — | Holland |
| 34 | Edward Helkenn | 19 | Son | Hay Mill | Iowa |
| 35 | Bernard S. Hardy | 29 | Head | Laborer | South Dakota |
| 36 | Vivian M. Hardy | 23 | Wife | — | Iowa |
| 37 | Connie Lou Hardy | 1 | Daughter | — | Iowa |
| 38 | Michael M. Kell | 47 | Head | Laborer | Iowa |
Related Census Records
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)