RR
Robert Ross — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Humboldt, California
Our Model Tree links this Robert Ross across the 1920 and 1930 US Censuses in Humboldt, California (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 10-person household.
Age 18
b. ~1912
Male
Son
Born: Idaho
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Humboldt, California |
| Surname | Ross |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Occupation | Laborer |
| Industry | Lumber Camp |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Laborer |
| Township / Ward | Fortuna City |
| Est. Birth Year | ~1912 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Nannie Ross | Daughter | — | 16 | ~1914 |
| Mattie Ross | Daughter | — | 20 | ~1910 |
| Elizabeth Ross | Daughter | — | 12 | ~1918 |
| Marian Ross | Daughter | — | 7 | ~1923 |
| Bertha Ross | Daughter | — | 22 | ~1908 |
| Ellen Ross | Head | — | 50 | ~1880 |
| William Ross | Son | — | 10 | ~1920 |
| Lawrence Ross | Son | — | 14 | ~1916 |
| Robert Ross | Son | — | 18 | ~1912 |
| Nannie Ross | Spouse | — | 42 | ~1888 |
Census Appearances
1920
Humboldt, California
Son, age 8
Humboldt, California · implied b. ~1912 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Humboldt, California
Son, age 18
Humboldt, California · implied b. ~1912 — 10 household members
| Surname | Ross |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Laborer |
| Industry | Lumber Camp |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Ross across 2 US Census years (1920 and 1930) in Humboldt, California, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Ross
Son · 1930 · age 18 · b. ~1912 · California
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Sibling
Elizabeth Ross
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marian Ross
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Ross
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nannie Ross
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Ross
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Ross
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mattie Ross
Sibling · 1930 · age 20
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 — Humboldt, California
Open full size
1930 US Federal Census — Humboldt, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel120:0608)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Margaret Renfroe | 81 | Head | — | Tennessee |
| 52 | Clarence J Renfroe | 35 | Son | Laborer | California |
| 53 | Kama Renfroe | 32 | Daughter | — | Norway |
| 54 | Ellen C Ross | 50 | Head | — | Tennessee |
| 55 | Nannie B Ross | 42 | Wife | — | Tennessee |
| 56 | Bertha G Ross | 22 | Daughter | Saleslady | Tennessee |
| 57 | Mattie E Ross | 20 | Daughter | Saleslady | Idaho |
| 58 | Robert E Ross THIS PERSON | 18 | Son | Laborer | Idaho |
| 59 | Nannie B Ross | 16 | Daughter | — | Idaho |
| 60 | Lawrence E Ross | 14 | Son | — | Idaho |
| 61 | Elizabeth J Ross | 12 | Daughter | — | Idaho |
| 62 | William J Ross | 10 | Son | — | California |
| 63 | Marian J Ross | 7 | Daughter | — | California |
| 64 | Joseph W Lee | 23 | Head | Carpenter | Wisconsin |
| 65 | Jane P Lee | 23 | Wife | — | Nebraska |
| 66 | J. Dell Freeman | 44 | Head | Carpenter | Texas |
| 67 | Ocie P Freeman | 42 | Wife | — | Tennessee |
| 68 | Carl Freeman | 22 | Son | Laborer | Texas |
| 69 | Henry P Gunderson | 21 | Son-in-law | Laborer | Montana |
| 70 | Lee E Gunderson | 20 | Daughter | — | Oklahoma |
| 71 | Manuel Souza | 21 | Head | Bark Peeler | Portugal |
| 72 | Hazel G Souza | 34 | Wife | — | Italy |
| 73 | Bruna Souza | 15 | Daughter | — | California |
| 74 | Giono Souza | 12 | Son | — | California |
| 75 | William Epting | 74 | Head | — | England |
| 76 | Lillian Epting | 63 | Wife | — | England |
| 77 | David W Epting | 22 | Son | — | California |
| 78 | Paul W Hunter | 57 | Head | Painter | Kansas |
| 79 | Verna H Hunter | 47 | Wife | — | Nebraska |
| 80 | Arcel E Hunter | 14 | Daughter | — | California |
| 81 | Phyllis W Hunter | 13 | Daughter | — | California |
| 82 | Paul W Jr Hunter | 6 | Son | — | California |
| 83 | Theodore Benson | 51 | Head | Chief Of Police | California |
| 84 | Jessie A Benson | 47 | Wife | — | Missouri |
| 85 | Bessie A Robinson | 47 | Sister-in-law | Saleslady | Missouri |
| 86 | Fred A Dinsmore | 49 | Head | — | California |
| 87 | Christine L Dinsmore | 41 | Wife | Dressmaker | Idaho |
| 88 | Wallace A Dinsmore | 18 | Son | — | California |
| 89 | Ralph O Dinsmore | 15 | Son | — | California |
| 90 | Elizabeth S Long | 84 | Head | — | Scotland |
| 91 | George W Long | 53 | Son | Salesman | California |
| 92 | Richard E Perry | 41 | Head | Electrician | Canada-English |
| 93 | Frances H Perry | 36 | Wife | — | California |
| 94 | Jeanne N Perry | 5 | Daughter | — | California |
| 95 | George J Badura | 32 | Head | Principal | Oregon |
| 96 | Florence L Badura | 27 | Wife | — | California |
| 97 | Wallace P Mcintyre | 61 | Head | Manufacturer | Michigan |
| 98 | Stella R Mcintyre | 57 | Wife | — | California |
| 99 | Robert L Mcleod | 35 | Head | Cook | California |
| 100 | Eula E Mcleod | 20 | Wife | — | California |
Related Census Records
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)