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Robert Williams — 1930 US Census Record
Model Tree available1930 United States Federal Census · Denver, Colorado
Our Model Tree links this Robert Williams across the 1910, 1920 and 1930 US Censuses in Denver, Colorado (XGBoost, ~Confirmed), with identified parents Arthur & Arthur — first a son (b.~1903), then head of a 4-person household.
Age 27
b. ~1903
Male
Son
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Denver, Colorado |
| Surname | Williams |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Wales |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Janitor |
| Industry | Jewelry Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Janitor |
| Township / Ward | Denver |
| Est. Birth Year | ~1903 |
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 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Margaret Williams | Daughter | — | 21 | ~1909 |
| Arthur Williams | Head | — | 55 | ~1875 |
| Sophia Williams | Other | — | 57 | ~1873 |
| Robert Williams | Son | — | 27 | ~1903 |
Census Appearances
1910
Denver, Colorado
Son, age 8
Denver, Colorado · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Wales |
| Mother's Birthplace | Pennsylvania |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Denver, Colorado
Son, age 18
Denver, Colorado · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Robert A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Wales |
| Mother's Birthplace | Pennsylvania |
| Occupation | Apprentice |
| Industry | Watchmaker |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Son, age 27
Denver, Colorado · implied b. ~1903 — 4 household members
| Surname | Williams |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Wales |
| Mother's Birthplace | Pennsylvania |
| Occupation | Janitor |
| Industry | Jewelry Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Williams across 3 US Census years (1910, 1920 and 1930) in Denver, Colorado, using XGBoost record linkage. Identified parents: father Arthur Williams (~0.92 confidence) and father Arthur Williams (~0.92 confidence) and father Arthur Williams (~0.92 confidence) and mother Sophia Williams (~0.92 confidence) and mother Sophia Williams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Williams
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Arthur Williams
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Arthur Williams
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Sophia Williams
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Sophia Williams
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Williams
Son · 1930 · age 27 · b. ~1903 · Colorado
★ You are viewing this record
Sibling
Margaret Williams
Sibling · 1930 · 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
1930 US Federal Census — Denver, Colorado
Open full size
1930 US Federal Census — Denver, Colorado
Page Contents
21 people indexed on this census page (ia:1930:15thcensus236unit:0298)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Bertha Hansen | 58 | Head | — | Wisconsin |
| 52 | Norine Hansen | 20 | Daughter | Teacher | Oregon |
| 53 | Raymond L. Rudh | 36 | Head | Commercial Trav. | Minnesota |
| 54 | Hazel M. Rudh | 33 | Wife-H | Teacher | Colorado |
| 55 | Anne M. Rudh | 67 | Mother | — | Norway |
| 56 | Thomas D. Long | 72 | Head | Piano Tuner | Maryland |
| 57 | E. Baxter Jr. Baker | 29 | Head | Salesman | Colorado |
| 58 | Elaine Baker | 23 | Wife-H | — | Missouri |
| 59 | Arthur E. Williams | 55 | Head | Janitor | Wales |
| 60 | Sophia G. Williams | 57 | Wife-H | — | Pennsylvania |
| 61 | Robert E. Williams THIS PERSON | 27 | Son | Janitor | Colorado |
| 62 | Margaret E. Williams | 21 | Daughter | Operator | Colorado |
| 63 | Donald C. Gardner | 26 | Head | Clerk | Nebraska |
| 64 | Josephine Gardner | 25 | Wife-H | — | Colorado |
| 65 | Joan M. Gardner | 2 | Daughter | — | Colorado |
| 66 | Francis E. Murphy | 55 | Head | General Manager | New York |
| 67 | Eva L. Murphy | 47 | Wife-H | — | California |
| 68 | John N. Thekes | 41 | Head | Proprietor | Greece |
| 69 | Paula A. Thekes | 42 | Wife | — | Germany |
| 70 | Alex Thekes | 14 | Son | Driver | Colorado |
| 71 | Juanita V. Hansen | 7 | Stepdaughter | — | Wyoming |
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 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)