RA
Robert Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clinton-County, Iowa
Our Model Tree links this Robert Anderson across the 1920, 1930 and 1940 US Censuses in Clinton-County, Iowa (XGBoost, ~Confirmed), with identified parents Fred & Fred — 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 | Clinton-County, Iowa |
| Surname | Anderson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Clinton City |
| 1935 Residence (County) | Clinton |
| Additional Details | |
| Occupation | mill worker |
| Industry | cellophane factory |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 1052 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Mill Worker |
| Township / Ward | Clinton 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 |
|---|---|---|---|---|
| Geraldine Anderson | Daughter | — | 20 | ~1920 |
| Fred Anderson | Head | — | 44 | ~1896 |
| Robert Anderson | Son | — | 21 | ~1919 |
| Minnie Anderson | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Clinton, Iowa
Son, age 1
Clinton, Iowa · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| 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 | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Clinton, Iowa
Son, age 11
Clinton, Iowa · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Clinton-County, Iowa
Son, age 21
Clinton-County, Iowa · implied b. ~1919 — 4 household members
| Surname | Anderson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Clinton City |
| 1935 Residence (County) | Clinton |
| Occupation | mill worker |
| Industry | cellophane factory |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 1052 |
| 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 Robert Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Anderson (~0.92 confidence) and father Fred Anderson (~0.92 confidence) and father Fred Anderson (~0.92 confidence) and mother Minnie Anderson (~0.92 confidence) and mother Minnie Anderson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Anderson
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Fred Anderson
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Fred Anderson
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Minnie Anderson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Minnie Anderson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Anderson
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Geraldine Anderson
Sibling · 1940 · age 20
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 — Clinton-County, Iowa
Open full size
1940 US Federal Census — Clinton-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01150-00226)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice Gassman | 17 | Daughter | — | Iowa |
| 2 | Joseph Jr. Gassman | 15 | Son | — | Iowa |
| 3 | James Gassman | 13 | Son | — | Iowa |
| 4 | Chester C. O. Ryder | 24 | Head | Part Owner | Iowa |
| 5 | Esther Ryder | 25 | Wife | — | Iowa |
| 6 | Judith Ann Ryder | 1 | Daughter | — | Iowa |
| 7 | Paul Globke | 24 | Head | Truck Driver | Minnesota |
| 8 | Beryl O. Globke | 24 | Wife | — | Minnesota |
| 9 | Richard Paul Globke | 3 | Son | — | Iowa |
| 10 | Carol Lynn Globke | 0 | Daughter | — | Iowa |
| 11 | Fred O. Anderson | 44 | Head | Millwright | Iowa |
| 12 | Minnie Anderson | 46 | Wife | — | Iowa |
| 13 | Robert Anderson THIS PERSON | 21 | Son | Mill Worker | Iowa |
| 14 | Geraldine Anderson | 20 | Daughter | Assistant | Iowa |
| 15 | Sophie O. Chase | 57 | Head | Matron | Iowa |
| 16 | Olga Chase | 9 | Granddaughter | — | Illinois |
| 17 | Geraldine Kamer | 19 | Granddaughter | — | Iowa |
| 18 | Theodore Gerwulf | 33 | Head | Rodman | Nebraska |
| 19 | Veronica Gerwulf | 24 | Wife | — | Iowa |
| 20 | Eugene J. Wilcox | 29 | Head | Machine Operator | Illinois |
| 21 | Lois Wilcox | 24 | Wife | — | Iowa |
| 22 | Patsy Wilcox | 7 | Daughter | — | Iowa |
| 23 | Edward C. Wilcox | 57 | Father | Foreman | Illinois |
| 24 | Carson C. Ketchum | 73 | Head | Beer Wholesaler | Germany |
| 25 | Mike O. Blumberg | 43 | Head | — | Iowa |
| 26 | Esther Blumberg | 39 | Wife | — | Iowa |
| 27 | Melvin Blumberg | 16 | Son | — | Iowa |
| 28 | Chris J. Thompson | 42 | Head | Punch Press | Iowa |
| 29 | Marguerite Thompson | 38 | Wife | — | Iowa |
| 30 | Marguerite Thompson | 5 | Daughter | — | Iowa |
| 31 | Henry Leas | 49 | Head | Miller | Iowa |
| 32 | Clara O. Leas | 49 | Wife | — | Illinois |
| 33 | Henry Specht | 72 | Head | Leather Worker | Germany |
| 34 | Linda O. Specht | 74 | Wife | — | Iowa |
| 35 | August Dueck | 29 | Head | Helper | Illinois |
| 36 | Sylvia O. Dueck | 28 | Wife | Owner | Iowa |
| 37 | James Dueck | 9 | Son | — | Iowa |
| 38 | Harold Stenlow | 33 | Brother-in-law | Mach. Operator | Iowa |
| 39 | Emil Schultz | 40 | Head | Machinist | Iowa |
| 40 | Leona O. Schultz | 34 | Wife | — | Illinois |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 5 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)