RM
Robert Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Maricopa-County, Arizona
Our Model Tree links this Robert Miller across the 1920, 1930 and 1940 US Censuses in Maricopa-County, Arizona (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: Arizona
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Maricopa-County, Arizona |
| Surname | Miller |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | S. D. 3 |
| 1935 Residence (County) | Maricopa |
| Additional Details | |
| Occupation | Farm Operator |
| Industry | Farming |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 888 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Farm Operator |
| Township / Ward | S D 3 |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| James Miller | Head | — | 52 | ~1888 |
| Florence Miller | Other | — | 24 | ~1916 |
| Ross Miller | Son | — | 21 | ~1919 |
| Robert Miller | Son | — | 26 | ~1914 |
Census Appearances
1920
Maricopa, Arizona
Son, age 6
Maricopa, Arizona · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | none |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Maricopa, Arizona
Son, age 16
Maricopa, Arizona · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Maricopa-County, Arizona
Son, age 26
Maricopa-County, Arizona · implied b. ~1914 — 4 household members
| Surname | Miller |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | S. D. 3 |
| 1935 Residence (County) | Maricopa |
| Occupation | Farm Operator |
| Industry | Farming |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 888 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
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 James Miller (~0.92 confidence) and father James Miller (~0.92 confidence) and father James Miller (~0.92 confidence) and mother Lula Miller (~0.92 confidence) and mother Lula Miller (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Miller
b. ~1888
Source father
● Household
· direct · ~0.92
Father
James Miller
b. ~1877
Source father
● Household
· direct · ~0.92
Father
James Miller
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Lula Miller
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Lula Miller
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Miller
Son · 1940 · age 26 · b. ~1914 · Arizona
★ You are viewing this record
Sibling
Ross Miller
Sibling · 1940 · age 21
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 — Maricopa-County, Arizona
Open full size
1940 US Federal Census — Maricopa-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00109-00258)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Willie A. Baker | 28 | Head | Farm Laborer | Missouri |
| 42 | Alta S. Baker | 27 | Wife | — | Oregon |
| 43 | Louise O. Baker | 2 | Daughter | — | Oklahoma |
| 44 | Allan A. Baker | 4 | Son | — | Oklahoma |
| 45 | Sherman S. Tucker | 43 | Head | Farm Laborer | South Dakota |
| 46 | Elizabeth Tucker | 38 | Wife | — | South Dakota |
| 47 | Feliciano Mendoza | 48 | Head | Farm Laborer | Mexico |
| 48 | Eliza Mendoza | 53 | Wife | — | New Mexico |
| 49 | Alberto M. Rodriguez | 73 | Head | — | Mexico |
| 50 | Refugio E. Rodriguez | 56 | Wife | — | Mexico |
| 51 | Manuel Mendoza | 17 | Son | Farm Laborer | Arizona |
| 52 | Jose Mendoza | 15 | Son | — | Arizona |
| 53 | Lillie Mendoza | 12 | Daughter | — | Arizona |
| 54 | John Battin | 43 | Head | Farm Laborer | Austria |
| 55 | Claude C. Parker | 45 | Head | Farm Operator | Mississippi |
| 56 | Julia M. Parker | 37 | Wife | — | Texas |
| 57 | William C. Parker | 14 | Son | — | Arizona |
| 58 | James S. Miller | 52 | Head | — | Texas |
| 59 | Ross M. Miller | 21 | Son | Farm Operator | Arizona |
| 60 | Robert M. Miller THIS PERSON | 26 | Son | Farm Operator | Arizona |
| 61 | Florence Miller | 24 | Daughter-in-law | — | Arizona |
| 62 | Lindly O. Orme | 68 | Head | President S.R.W.U.A. | Missouri |
| 63 | Ida M. Orme | 67 | Wife | — | Indiana |
| 64 | Lindly H. Orme | 39 | Son | Lawyer | Arizona |
| 65 | Joseph A. Ricketts | 54 | Son-in-law | Prospector | Indiana |
| 66 | John H. Close | 40 | Head | Contractor | Oklahoma |
| 67 | Rose E. Close | 44 | Wife | — | Oklahoma |
| 68 | Colleen Close | 15 | Daughter | — | Arizona |
| 69 | Johnny D. Close | 12 | Daughter | — | Arizona |
| 70 | William T. Combs | 39 | Head | Grocer Operator | Oklahoma |
| 71 | Extra Line Combs | None | Wife | — | Oklahoma |
| 72 | Otto Becchetti | 43 | Head | Farm Laborer | California |
| 73 | Mary C. Becchetti | 36 | Wife | — | Russia |
| 74 | Edwin Becchetti | 15 | Son | Farm Laborer | Missouri |
| 75 | Elsie Becchetti | 10 | Daughter | — | Iowa |
| 76 | John Close | 72 | Head | — | Ohio |
| 77 | William R. Kelly | 72 | Head | — | Missouri |
| 78 | Sarah C. Kelly | 65 | Wife | — | Missouri |
| 79 | Hazel Mckay | 30 | Daughter | — | Arkansas |
| 80 | Shirley A. Mckay | 4 | Daughter | — | Texas |
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)