RM
Roy Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Scott-County, Iowa
Our Model Tree links this Roy Miller across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed), with identified parents Mrs & Rebbeca — first a son (b.~1885), then head of a 3-person household.
Age 55
b. ~1885
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Scott-County, Iowa |
| Surname | Miller |
| Given Name | Roy M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Le Claire Town |
| 1935 Residence (County) | Scott |
| Additional Details | |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Operator |
| Township / Ward | Le Claire Town |
| Est. Birth Year | ~1885 |
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 Roy | Age | Birth yr |
|---|---|---|---|---|
| Rebbeca Miller | Head | — | 85 | ~1855 |
| Roy Miller | Son | — | 55 | ~1885 |
| Harvey Miller | Son | — | 40 | ~1900 |
Census Appearances
1920
Scott, Iowa
Son, age 34
Scott, Iowa · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Roy M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Scott, Iowa
Son, age 45
Scott, Iowa · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Roy M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Scott-County, Iowa
Son, age 55
Scott-County, Iowa · implied b. ~1885 — 3 household members
| Surname | Miller |
| Given Name | Roy M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Le Claire Town |
| 1935 Residence (County) | Scott |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 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 Roy Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mrs Miller (~0.92 confidence) and mother Rebbeca Miller (~0.92 confidence) and father Ruben Miller (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mrs Miller
b. ~1855
Source mother
● Household
· direct · ~0.92
Mother
Rebbeca Miller
b. ~1855
Source mother
● Household
· direct · ~0.92
Father
Ruben Miller
b. ~1855
Source father
● Household
· direct · ~0.92
This person
Anchor record
Roy Miller
Son · 1940 · age 55 · b. ~1885 · Iowa
★ You are viewing this record
Sibling
Harvey Miller
Sibling · 1940 · age 40
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
40 people indexed on this census page (nara:1940:m-t0627-01203-01087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dora Ditmer | 54 | Wife | — | Iowa |
| 2 | Grace Ditmer | 33 | Daughter | Sewing | Iowa |
| 3 | Herman Jr Ditmer | 16 | Son | — | Iowa |
| 4 | John Fullmer | 57 | Head | — | Iowa |
| 5 | Ethel Fullmer | 54 | Wife | — | Iowa |
| 6 | Henry Le Buhn | 40 | Head | Foreman | Texas |
| 7 | Marie Le Buhn | 35 | Wife | — | Iowa |
| 8 | Mary Le Buhn | 13 | Daughter | — | Canada |
| 9 | Robert Le Buhn | 9 | Son | — | Iowa |
| 10 | Alice Le Buhn | 5 | Daughter | — | Iowa |
| 11 | Robert Schuh | 48 | Head | Laborer | Nebraska |
| 12 | Thomas Bagley | 46 | Head | Inspector | Iowa |
| 13 | Hazel E Bagley | 32 | Wife | — | Michigan |
| 14 | William F Bagley | 6 | Son | — | Illinois |
| 15 | Frank S Radcliffe | 38 | Head | Engineer | Canada |
| 16 | Hazel Radcliffe | 37 | Wife | — | Iowa |
| 17 | Dorothy Radcliffe | 4 | Daughter | — | Iowa |
| 18 | Anne Radcliffe | 4 | Daughter | — | Iowa |
| 19 | Margaret Radcliffe | 2 | Daughter | — | Iowa |
| 20 | Lettie Brown | 70 | Mother In Law | — | Iowa |
| 21 | Alton Long | 36 | Head | Teacher | Oklahoma |
| 22 | Alma Long | 35 | Wife | — | Iowa |
| 23 | Elmer Puryear | 46 | Head | Instrument Man | Iowa |
| 24 | Mary Puryear | 39 | Wife | — | Iowa |
| 25 | Eugene Puryear | 15 | Son | — | Iowa |
| 26 | Mary Puryear | 13 | Daughter | — | Iowa |
| 27 | Louise Lambach | 83 | Head | — | Iowa |
| 28 | Bertha P Sweeney | 62 | Daughter | — | Iowa |
| 29 | Otto Van Slyke | 51 | Head | Laborer | Iowa |
| 30 | Jessie H Van Slyke | 56 | Wife | — | Iowa |
| 31 | Joseph R Long | 61 | Head | Laborer | Iowa |
| 32 | Theresa Long | 64 | Wife | — | Germany |
| 33 | Hilda Long | 33 | Daughter | House Work | Iowa |
| 34 | Walter Kahm | 29 | Head | Cash Clerk | Illinois |
| 35 | Juanita Kahm | 27 | Wife | — | Iowa |
| 36 | John Taylor | 54 | Head | Laborer | Texas |
| 37 | Hattie Taylor | 57 | Wife | — | Iowa |
| 38 | Rebbeca Miller | 85 | Head | — | Iowa |
| 39 | Roy M Miller THIS PERSON | 55 | Son | Operator | Iowa |
| 40 | Harvey T Miller | 40 | Son | — | Pennsylvania |
Pedigree Summary
Roy + 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)