RM
Robert Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Robert Miller across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Harry & Edward — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Miller |
| Given Name | Robert G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Polk |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Labor |
| Industry | Farm Market Road |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 418 |
| Highest Grade | Hs 4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Labor |
| Township / Ward | Madison Twps |
| Est. Birth Year | ~1914 |
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 |
|---|---|---|---|---|
| Bettie Miller | Daughter | — | 5 | ~1935 |
| Robert Miller | Head | — | 26 | ~1914 |
| Mabel Miller | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Polk, Iowa
Son, age 5
Polk, Iowa · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Robert A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 15
Polk, Iowa · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Robert H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
Polk-County, Iowa
Head, age 26
Polk-County, Iowa · implied b. ~1914 — 3 household members
| Surname | Miller |
| Given Name | Robert G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Polk |
| 1935 Residence (County) | Polk |
| Occupation | Labor |
| Industry | Farm Market Road |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 418 |
| Highest Grade | Hs 4 |
| 1935 Residence | Iowa |
| 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 Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Miller (~0.92 confidence) and father Edward Miller (~0.92 confidence) and mother Nellie Miller (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Miller
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Edward Miller
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Nellie Miller
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Miller
Head · 1940 · age 26 · b. ~1914 · 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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01192-00653)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernest Kuhn | 70 | Head | Owner & Op | Iowa |
| 42 | Mary A Kuhn | 68 | Wife | — | Illinois |
| 43 | Landon T. White | 53 | Head | Operator | Arkansas |
| 44 | Genevieve White | 47 | Wife | — | Iowa |
| 45 | Charles G White | 13 | Son | — | Iowa |
| 46 | Glen R Nogue | 11 | Boarder | — | Iowa |
| 47 | Hugh R Williams | 31 | Head | Operator | Illinois |
| 48 | Myrtle I Williams | 25 | Wife | — | Illinois |
| 49 | Jerome A Williams | 7 | Son | — | Iowa |
| 50 | John A Williams | 6 | Son | — | Iowa |
| 51 | B. Frank Allen | 31 | Head | Operator | Iowa |
| 52 | Virginia F Allen | 29 | Wife | — | Iowa |
| 53 | Walter F Allen | 6 | Son | — | Iowa |
| 54 | Guy S Zille | 53 | Head | Owner | Iowa |
| 55 | Anna D Zille | 53 | Wife | — | Iowa |
| 56 | John Lint | 93 | Head | Retired | Indiana |
| 57 | Mary D Lint | 77 | Wife | — | Iowa |
| 58 | Edwin D Lint | 33 | Son | Labor | Iowa |
| 59 | Bertha L Lint | 33 | Daughter in Law | — | Iowa |
| 60 | Adaline Lint | 16 | Grand daughter | Filling In Public School | Iowa |
| 61 | Roselyn R Lint | 12 | Grand daughter | — | Iowa |
| 62 | Marvin L Lint | 7 | Grand son | — | Iowa |
| 63 | Marcella M Lint | 5 | Grand daughter | — | Iowa |
| 64 | Gunard H Anderson | 38 | Head | — | Sweden |
| 65 | Grace E Anderson | 35 | Wife | — | Illinois |
| 66 | Lawrence E Anderson | 15 | Son | Labor | Iowa |
| 67 | Laura N Anderson | 14 | Daughter | — | Iowa |
| 68 | John H. Donnelly | 54 | Head | Operator | Michigan |
| 69 | Lepha M Donnelly | 55 | Wife | Operator | Ohio |
| 70 | George N Young | 44 | Head | Operator & Owner | Iowa |
| 71 | Mary M Young | 49 | Wife | — | Iowa |
| 72 | L. Muriel Young | 16 | Son | Labor | Iowa |
| 73 | Elenah L Young | 14 | Daughter | — | Iowa |
| 74 | Robert G Miller THIS PERSON | 26 | Head | Labor | Iowa |
| 75 | Mabel E Miller | 24 | Wife | — | Iowa |
| 76 | Bettie J Miller | 5 | Daughter | — | Iowa |
| 77 | Fred G Brewer | 51 | Head | Owner Farm & Dairy | Iowa |
| 78 | Ben R Beam | 73 | Hired Man | Labor | Iowa |
| 79 | William R Edgerton | 55 | Head | Owner | Iowa |
| 80 | Pearl H Edgerton | 24 | Son | Labor | Iowa |
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)