ER
Ethel Roberts — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Alameda, California
Our Model Tree links this Ethel Roberts across the 1920 and 1930 US Censuses in Alameda, California (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 7-person household.
Age 16
b. ~1914
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alameda, California |
| Surname | Roberts |
| Given Name | Ethel B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Berkeley City |
| Est. Birth Year | ~1914 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ethel | Age | Birth yr |
|---|---|---|---|---|
| Gladys Roberts | Daughter | — | 2 | ~1928 |
| Thomas Roberts | Son | — | 13 | ~1917 |
| Thomas Roberts | Head | — | 43 | ~1887 |
| Florence Roberts | Daughter | — | 4 | ~1926 |
| Lynn Roberts | Son | — | 10 | ~1920 |
| Ethel Roberts | Daughter | — | 16 | ~1914 |
| Ethel Roberts | Other | — | 39 | ~1891 |
Census Appearances
1920
Alameda, California
Daughter, age 6
Alameda, California · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Ethel B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Daughter, age 16
Alameda, California · implied b. ~1914 — 7 household members
| Surname | Roberts |
| Given Name | Ethel B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Ethel Roberts across 2 US Census years (1920 and 1930) in Alameda, California, using XGBoost record linkage.
Show:
This person
Anchor record
Ethel Roberts
Daughter · 1930 · age 16 · b. ~1914 · California
★ You are viewing this record
Sibling
Lynn Roberts
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Roberts
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Roberts
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Roberts
Sibling · 1930 · age 13
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 — Alameda, California
Open full size
1930 US Federal Census — Alameda, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel111:0141)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Roberts | 43 | Head | Builder | England |
| 2 | Ethel Roberts | 39 | Wife-H | — | England |
| 3 | Ethel B Roberts THIS PERSON | 16 | Daughter | — | California |
| 4 | Thomas Roberts | 13 | Son | — | California |
| 5 | Lynn H Roberts | 10 | Son | — | California |
| 6 | Florence Roberts | 4 | Daughter | — | California |
| 7 | Gladys Roberts | 2 | Daughter | — | California |
| 8 | John A Sheuli | 39 | Head | Wrapper | California |
| 9 | Marguerite Sheuli | 35 | Wife-H | — | California |
| 10 | David Campbell | 29 | Brother-in-law | Chauffeur | California |
| 11 | Edward Campbell | 27 | Brother-in-law | Chauffeur | California |
| 12 | Robert C Read | 52 | Head | Manager | Iowa |
| 13 | Pearl J Read | 51 | Wife-H | — | Iowa |
| 14 | Walter S Scott | 41 | Head | Salesman | Georgia |
| 15 | Zida L Scott | 49 | Wife-H | — | Tennessee |
| 16 | Richard L Dingle | 18 | Nephew | Barber | Illinois |
| 17 | George Mathers | 47 | Head | Switchman | Missouri |
| 18 | Grace H Mathers | 38 | Wife-H | — | California |
| 19 | Agnes M Mathers | 12 | Daughter | — | California |
| 20 | Grace N Mathers | 9 | Daughter | — | California |
| 21 | Arthur C Bither | 43 | Head | Salesman | California |
| 22 | Edith B Bither | 39 | Wife-H | Bookkeeper | California |
| 23 | Edith L Bither | 15 | Daughter | — | California |
| 24 | Arthur C Jr Bither | 11 | Son | — | California |
| 25 | Ella Hartwell | 59 | Mother-in-law | Housekeeper | California |
| 26 | Carl W Langes | 36 | Head | Engineer | California |
| 27 | Edith Langes | 32 | Wife-H | — | California |
| 28 | Betty Langes | 9 | Daughter | — | California |
| 29 | Ruth Langes | 4 | Daughter | — | California |
| 30 | Emilie Barley | 48 | Head | Editor | Illinois |
| 31 | George W Barley | 20 | Son | Operator | California |
| 32 | Barbara L Barley | 18 | Daughter | Bookkeeper | California |
| 33 | Joseph A Barley | 16 | Son | — | California |
| 34 | Gustav R Koen | 53 | Head | Manager | Germany |
| 35 | Minda M Koen | 51 | Wife-H | — | Iowa |
| 36 | Candace Kusel | 16 | Step-Son | — | California |
| 37 | Roland Calder | 36 | Head | Salesman | Massachusetts |
| 38 | Marian S Calder | 37 | Wife-H | Teacher | California |
| 39 | Rose B Stilts | 62 | Mother | Practical Nurse | New York |
| 40 | James F Cronkhite | 34 | Head | Salesman | Montana |
| 41 | Barbara L Cronkhite | 33 | Wife-H | — | California |
| 42 | Joan G Cronkhite | 3 | Daughter | — | California |
| 43 | Grace F Messenger | 53 | Mother-in-law | — | California |
| 44 | Wesley S Chapman | 45 | Head | Statistician | Michigan |
| 45 | Laura B Chapman | 40 | Wife-H | — | Ohio |
| 46 | Laura J Chapman | 15 | Daughter | — | California |
| 47 | Alice C Chapman | 7 | Daughter | — | California |
| 48 | Helen G Chapman | 5 | Daughter | — | California |
| 49 | Albert F Hafey | 38 | Head | Fireman | California |
| 50 | Mary M Hafey | 34 | Wife-H | — | Massachusetts |
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)