RT
Roy Thompson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Yavapai, Arizona
Our Model Tree links this Roy Thompson across the 1920, 1930 and 1940 US Censuses in Yavapai, Arizona (XGBoost, ~Confirmed), with identified parents Ambrose & Ember — first a son (b.~1898), then head of a 5-person household.
Age 32
b. ~1898
Male
Son
Born: Texas
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Yavapai, Arizona |
| Surname | Thompson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Texas |
| Age at First Marriage | 27 |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Conductor |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Conductor |
| Township / Ward | Prescott City |
| Est. Birth Year | ~1898 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Nora Thompson | Other | — | 27 | ~1903 |
| Roy Thompson | Other | — | 1 | ~1929 |
| Roy Thompson | Son | — | 32 | ~1898 |
| Jack Thompson | Son | — | 23 | ~1907 |
| Ambrose Thompson | Head | — | 59 | ~1871 |
Census Appearances
1920
Yavapai, Arizona
Son, age 22
Yavapai, Arizona · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Illinois |
| Occupation | Brakeman |
| Industry | Santa Fe Railway |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Yavapai, Arizona
Son, age 32
Yavapai, Arizona · implied b. ~1898 — 5 household members
| Surname | Thompson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Texas |
| Age at First Marriage | 27 |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Illinois |
| Occupation | Conductor |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
Head, age 42
Yavapai-County, Arizona · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ray |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Prescott City |
| 1935 Residence (County) | Yavapai |
| Occupation | Conductor |
| Industry | on train |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1024 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ambrose Thompson (~0.92 confidence) and mother Ember Thompson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ambrose Thompson
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Ember Thompson
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Thompson
Son · 1930 · age 32 · b. ~1898 · Arizona
★ You are viewing this record
Sibling
Jack Thompson
Sibling · 1930 · age 23
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
1930 US Federal Census — Yavapai, Arizona
Open full size
1930 US Federal Census — Yavapai, Arizona
Page Contents
50 people indexed on this census page (ia:1930:15thcensus63unit:0296)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Gronlund | 41 | Head | Miner | Finland |
| 2 | Hilma Gronlund | 50 | Wife | — | Sweden |
| 3 | Helena Gronlund | 13 | Daughter | — | Arizona |
| 4 | Raymond Dumont | 23 | Lodger | Wrecking | Arizona |
| 5 | Arthur D. Haynes | 37 | Lodger | Engineer | New York |
| 6 | Clarence L. Hill | 45 | Head | Stenographer | New York |
| 7 | Bertha P. Hill | 33 | Wife | Conductor | Utah |
| 8 | Marcia S. Parker | 80 | Mother-in-law | — | Massachusetts |
| 9 | Imelda Corgaile | 31 | Head | Graduate Nurse | Texas |
| 10 | Charles F. Corgaile | 5 | Son | — | California |
| 11 | Barbara Corgaile | 3 | Daughter | — | California |
| 12 | Gerald Corgaile | 1 | Son | — | California |
| 13 | Patrick Walsh | 77 | Head | — | Canada English |
| 14 | Josephine Walsh | 65 | Wife | — | Free State Ireland |
| 15 | Theresa Mathias | 63 | Sister-in-law | — | Free State Ireland |
| 16 | William Houston | 77 | Head | — | Northern Ireland |
| 17 | Kate Houston | 59 | Wife | — | England |
| 18 | Harry Houston | 22 | Son | Salesman | Arizona |
| 19 | Snyder Graham | 51 | Head | Chef | England |
| 20 | Ida Graham | 50 | Wife | — | England |
| 21 | Jean Graham | 18 | Daughter | — | Arizona |
| 22 | Frank Graham | 16 | Son | — | Arizona |
| 23 | Lee Forester | 37 | Head | — | Italy |
| 24 | Doris Forester | 30 | Wife | — | Michigan |
| 25 | Ambrose Thompson | 59 | Head | — | Illinois |
| 26 | Jack Thompson | 23 | Son | Fireman | Texas |
| 27 | Roy Thompson THIS PERSON | 32 | Son | Conductor | Texas |
| 28 | Nora Thompson | 27 | Daughter-in-law | — | Pennsylvania |
| 29 | Roy Jr. Thompson | 1 | Grandson | — | Texas |
| 30 | Robert Arney | 26 | Head | Clerk | Missouri |
| 31 | Amber Arney | 20 | Wife | — | New Mexico |
| 32 | Thomas Schipp | 45 | Head | Mechanic | Texas |
| 33 | Sarah Schipp | 42 | Wife | — | Iowa |
| 34 | Myrl Schipp | 18 | Son | Shoe Repairer | Arizona |
| 35 | Albert Schipp | 12 | Son | — | Arizona |
| 36 | Jessie N. Halloway | 76 | Head | Laborer | Missouri |
| 37 | Jessie B. Halloway | 61 | Wife | — | Texas |
| 38 | William F. Marr | 15 | Lodger | — | New Mexico |
| 39 | Richard Larkin | 11 | Boarder | — | Utah |
| 40 | Violet Brown | 12 | Boarder | — | Texas |
| 41 | Martha Brown | 10 | Boarder | — | Arizona |
| 42 | Jesse E. Davis | 57 | Head | Salesman | Illinois |
| 43 | Bessie L. Davis | 43 | Wife | Stenographer | Missouri |
| 44 | Walter Davis | 24 | Son | Truck Driver | Arizona |
| 45 | Dorothy Davis | 17 | Daughter-in-law | — | New Mexico |
| 46 | Julia Davis | 13 | Daughter | — | Arizona |
| 47 | Jack Layton | 31 | Head | Fireman | Arizona |
| 48 | Edith Layton | 25 | Wife | — | Illinois |
| 49 | Velma B. Layton | 3 | Daughter | — | California |
| 50 | Annie L. Layton | 1 | Daughter | — | Arizona |
Related Census Records
Pedigree Summary
Roy + 1 sibling
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 1930 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)