RH
Robert Holmes — 1940 US Census Record
Model Tree available1940 United States Federal Census · Maricopa-County, Arizona
Our Model Tree links this Robert Holmes across the 1920, 1930 and 1940 US Censuses in Maricopa-County, Arizona (XGBoost, ~Confirmed), with identified parents John & Bessie — first a head (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Head
Born: Arizona
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Maricopa-County, Arizona |
| Surname | Holmes |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | Colorado |
| Additional Details | |
| Occupation | Electrician |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Colorado |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Electrician |
| Township / Ward | Supervisorial Dist 3 |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Wyona Holmes | Daughter | — | 3 | ~1937 |
| Violet Holmes | Spouse | — | 24 | ~1916 |
| Robert Holmes | Head | — | 25 | ~1915 |
| Roberta Holmes | Daughter | — | ~1940 |
Census Appearances
1920
Maricopa, Arizona
Son, age 5
Maricopa, Arizona · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holmes |
| Given Name | Robert U. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | England |
| Mother's Birthplace | Arizona |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Maricopa, Arizona
Son, age 15
Maricopa, Arizona · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holmes |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | England |
| Mother's Birthplace | Arizona |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Maricopa-County, Arizona
Head, age 25
Maricopa-County, Arizona · implied b. ~1915 — 4 household members
| Surname | Holmes |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | Colorado |
| Occupation | Electrician |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Colorado |
| 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 Holmes across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Holmes (~0.92 confidence) and mother Bessie Holmes (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Holmes
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Bessie Holmes
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Holmes
Head · 1940 · age 25 · b. ~1915 · Arizona
★ 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 — 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-t0627-00109-00509)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Kimbrough | 14 | Son | — | Texas |
| 2 | Harvey Kimbrough | 12 | Son | — | Texas |
| 3 | Effie Kimbrough | 49 | Wife | — | Alabama |
| 4 | Robert Holmes THIS PERSON | 25 | Head | Electrician | Arizona |
| 5 | Violet R. Holmes | 24 | Wife | — | Arizona |
| 6 | Wyona May Holmes | 3 | Daughter | — | Arizona |
| 7 | Roberta Lee Holmes | 0 | Daughter | — | Arizona |
| 8 | Harold Howell | 39 | Head | Auto Painter | Ohio |
| 9 | Ruth A. Howell | 29 | Wife | — | Nebraska |
| 10 | Virginia Ruth Howell | 6 | Daughter | — | Arizona |
| 11 | Mickey Harold Howell | 0 | Son | — | Arizona |
| 12 | Ira C. Green | 37 | Head | Deliveryman | Missouri |
| 13 | Etta M. Green | 34 | Wife | — | Missouri |
| 14 | Lavada Green | 16 | Daughter | — | Nebraska |
| 15 | Donald Waterman | 16 | Son | — | Nebraska |
| 16 | Mary June Parrack | 54 | Head | — | Illinois |
| 17 | Matthew Parrack | 18 | Son | Laborer | Colorado |
| 18 | Leah Louise Parrack | 16 | Daughter | — | Arizona |
| 19 | Lawrence Earl Adams | 36 | Head | Automobile Painter | Indiana |
| 20 | Rose Irene Adams | 35 | Wife | — | Indiana |
| 21 | Addie Lucille Adams | 15 | Daughter | — | Indiana |
| 22 | William Edward Adams | 12 | Son | — | Indiana |
| 23 | Floyd Moore | 37 | Head | Automobile Mechanic | Minnesota |
| 24 | Margaret A. Moore | 28 | Wife | — | Arizona |
| 25 | Leon Moore | 7 | Son | — | Arizona |
| 26 | Leonard Countryman | 54 | Head | Carpenter | Iowa |
| 27 | Bertha Countryman | 42 | Wife | — | Iowa |
| 28 | Coleen Countryman | 16 | Daughter | — | Iowa |
| 29 | William P. B. Hughes | 90 | Head | Farmer | New York |
| 30 | Anna Hughes | 40 | Daughter | — | Arizona |
| 31 | Marie Hughes | 38 | Daughter | Grocery Clerk | Arizona |
| 32 | Mola Box | 50 | Head | Farmer | India |
| 33 | Pata Dunn | 50 | Lodger | Farmer | India |
| 34 | C. L. Sloan | 54 | Head | Construction Engineer | New Jersey |
| 35 | Sybil A. Sloan | 48 | Wife | — | Vermont |
| 36 | Herbert Sloan | 23 | Son | Sheet Metal Worker | Pennsylvania |
| 37 | James H. Sloan | 18 | Son | — | New York |
| 38 | Robert Sloan | 16 | Son | — | Maine |
| 39 | Edward A. Succ | 52 | Head | Attendant | Ohio |
| 40 | Doris Elline Succ | 23 | Wife | — | Kansas |
Pedigree Summary
Robert
Gen 1 · 2 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)