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William Ross — 1930 US Census Record
Model Tree available1930 United States Federal Census · Denver, Colorado
Our Model Tree links this William Ross across the 1910, 1920 and 1930 US Censuses in Denver, Colorado (XGBoost, ~Confirmed), with identified parents William & Florence — first a son (b.~1909), then head of a 9-person household.
Age 21
b. ~1909
Male
Son
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Denver, Colorado |
| Surname | Ross |
| Given Name | William J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Gardener |
| Industry | Private Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Gardener |
| Township / Ward | Denver City |
| Est. Birth Year | ~1909 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Rose Ross | Daughter | — | 15 | ~1915 |
| Lucile Ross | Daughter | — | 13 | ~1917 |
| Florence Ross | Daughter | — | 10 | ~1920 |
| Edith Ross | Daughter | — | 17 | ~1913 |
| William Ross | Head | — | 45 | ~1885 |
| Florence Ross | Other | — | 44 | ~1886 |
| Donald Ross | Son | — | 3 | ~1927 |
| William Ross | Son | — | 21 | ~1909 |
| Arthur Ross | Son | — | 19 | ~1911 |
Census Appearances
1910
Denver, Colorado
Son, age 1
Denver, Colorado · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | William J |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Denver, Colorado
Son, age 11
Denver, Colorado · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Son, age 21
Denver, Colorado · implied b. ~1909 — 9 household members
| Surname | Ross |
| Given Name | William J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Gardener |
| Industry | Private Home |
| 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 William Ross across 3 US Census years (1910, 1920 and 1930) in Denver, Colorado, using XGBoost record linkage. Identified parents: father William Ross (~0.92 confidence) and mother Florence Ross (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Ross
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Florence Ross
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Ross
Son · 1930 · age 21 · b. ~1909 · Colorado
★ You are viewing this record
Sibling
Rose Ross
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Ross
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Ross
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucile Ross
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Ross
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Ross
Sibling · 1930 · age 10
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
19 people indexed on this census page (ia:1930:15thcensus237unit:0114)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William J. Luscomb | 67 | Head | Contractor | Iowa |
| 2 | Jessie G. Luscomb | 53 | Wife-H | — | Wisconsin |
| 3 | Don Love | 37 | Head | Laborer | Kansas |
| 4 | William J. Ross | 45 | Head | Carpenter | England |
| 5 | Florence Ross | 44 | Wife-H | — | England |
| 6 | William J. Jr. Ross THIS PERSON | 21 | Son | Gardener | Colorado |
| 7 | Arthur Ross | 19 | Son | Checker | Colorado |
| 8 | Edith Ross | 17 | Daughter | — | Colorado |
| 9 | Rose Ross | 15 | Daughter | — | Colorado |
| 10 | Lucile Ross | 13 | Daughter | — | Colorado |
| 11 | Florence Ross | 10 | Daughter | — | Colorado |
| 12 | Donald Ross | 3 | Son | — | Colorado |
| 13 | Russel L. Blystone | 40 | Head | Brakeman | Ohio |
| 14 | Mary Blystone | 27 | Wife-H | — | Colorado |
| 15 | James A. Blystone | 4 | Son | — | Colorado |
| 16 | Hazel U. Blystone | 2 | Daughter | — | Colorado |
| 17 | Lala A. Post | 59 | Head-H | Manager | Hungary |
| 18 | Soren S. Post | 18 | Son | — | Colorado |
| 19 | Agatha Zimmerman | 41 | Lodger | Stenographer | Colorado |
Pedigree Summary
William + 6 siblings
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)