RS
Robert Shaw — 1940 US Census Record
Model Tree available1940 United States Federal Census · Scott-County, Iowa
Our Model Tree links this Robert Shaw across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed), with identified parents Frank & Margaret — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Scott-County, Iowa |
| Surname | Shaw |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Additional Details | |
| Highest Grade | C-1 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Davenport 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Frank Shaw | Head | — | 46 | ~1894 |
| Edward Shaw | Son | — | 17 | ~1923 |
| Robert Shaw | Son | — | 21 | ~1919 |
| Margaret Shaw | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Scott, Iowa
Son, age 1
Scott, Iowa · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Can Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Scott, Iowa
Son, age 11
Scott, Iowa · implied b. ~1919 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | Robert F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Scott-County, Iowa
Son, age 21
Scott-County, Iowa · implied b. ~1919 — 4 household members
| Surname | Shaw |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Highest Grade | C-1 |
| 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 Robert Shaw across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Shaw (~0.92 confidence) and mother Margaret Shaw (~0.92 confidence) and mother Marguerite Shaw (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Shaw
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Margaret Shaw
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Marguerite Shaw
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Shaw
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Edward Shaw
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Scott-County, Iowa
Open full size
1940 US Federal Census — Scott-County, Iowa
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01202-00454)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Rudolph Edens | 37 | Head | Machinist | Iowa |
| 3 | Lenora Edens | 35 | Wife | — | Iowa |
| 4 | Shirley Edens | 13 | daughter | — | Iowa |
| 5 | Patsy Edens | 9 | daughter | — | Iowa |
| 6 | Louis Hauck | 53 | Head | Foreman | Illinois |
| 7 | Ruth Hauck | 43 | Wife | — | Iowa |
| 8 | Wallace Hauck | 14 | Son | — | Iowa |
| 9 | Wils. Kestel | 46 | Head | Painter | Iowa |
| 10 | Henrietta Kestel | 53 | Wife | — | Iowa |
| 11 | Charles Wm Herring | 24 | Head | Clerk | Iowa |
| 12 | Marion Herring | 23 | Wife | — | Iowa |
| 13 | Chas. Jr Herring | 2 | Son | — | Iowa |
| 14 | Frederick Schultz | 53 | Head | Carpenter | Illinois |
| 15 | Anna Schultz | 59 | Wife | — | Iowa |
| 16 | Alice Dorey | 35 | daughter | — | Iowa |
| 17 | Chas. Dorey | 43 | Son-in-law | Machinist | Nebraska |
| 18 | Alve Zabel | 32 | Head | Shop Checker | Iowa |
| 19 | Lucille Zabel | 28 | Wife | — | Iowa |
| 20 | Frank R. Shaw | 46 | Head | Carrier Foreman | Iowa |
| 21 | Margaret Shaw | 44 | Wife | — | Illinois |
| 22 | Robert Shaw THIS PERSON | 21 | Son | — | Iowa |
| 23 | Edward Shaw | 17 | Son | — | Iowa |
| 24 | Elmer Offerman | 49 | Head | Engineer | Iowa |
| 25 | Edna Offerman | 41 | Wife | — | Iowa |
| 26 | Robert Offerman | 21 | Son | Machine Operator | Iowa |
| 27 | Katherine Offerman | 20 | daughter | — | Missouri |
| 28 | Lillian Offerman | 16 | daughter | — | Iowa |
| 29 | Gene Offerman | 15 | daughter | — | Iowa |
| 30 | Leroy Offerman | 7 | Son | — | Iowa |
| 32 | Charles Bredfeldt | 45 | Head | Shipping Clerk | Iowa |
| 33 | Dorothy Bredfeldt | 39 | Wife | — | Iowa |
| 34 | Jack Bredfeldt | 16 | Son | — | Iowa |
| 35 | William Bredfeldt | 11 | Son | — | Iowa |
| 36 | Hayden Mathews | 47 | Head | Butcher | Iowa |
| 37 | Della Mathews | 50 | Wife | — | Iowa |
| 38 | Evamae Mathews | 16 | daughter | — | Iowa |
| 39 | Raymond Potter | 34 | Head | Service | Illinois |
| 40 | Ruby Potter | 33 | Wife | — | Illinois |
Related Census Records
Pedigree Summary
Robert + 1 sibling
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)