EC
Elizabeth Cooper — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Alameda, California
Our Model Tree links this Elizabeth Cooper across the 1930 and 1940 US Censuses in Alameda, California (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 12-person household.
Age 11
b. ~1919
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alameda, California |
| Surname | Cooper |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Piedmont City |
| Est. Birth Year | ~1919 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Martha Lund | Other | — | 31 | ~1899 |
| Louis Cooper | Son | — | 22 | ~1908 |
| John Cooper | Son | — | 20 | ~1910 |
| William Cooper | Son | — | 9 | ~1921 |
| Louis Schuh | Other | — | 23 | ~1907 |
| Elizabeth Cooper | Daughter | — | 11 | ~1919 |
| Mary Cooper | Daughter | — | 13 | ~1917 |
| Joe Cooper | Son | — | 15 | ~1915 |
| James Cooper | Son | — | 18 | ~1912 |
| Louis Cooper | Head | — | 54 | ~1876 |
| Gertrude Cooper | Spouse | — | 52 | ~1878 |
| Robert Cooper | Son | — | 6 | ~1924 |
Census Appearances
1930
Alameda, California
Daughter, age 11
Alameda, California · implied b. ~1919 — 12 household members
| Surname | Cooper |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Spouse, age 22
Alameda-County, California · implied b. ~1918 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Elsie J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Hollywood |
| 1935 Residence (County) | L. A. |
| Occupation | Laborer |
| Industry | Payroll |
| Class of Worker | W |
| Hours Worked | 40 |
| Income (1939) | 431 |
| Highest Grade | H 4 |
| 1935 Residence | Calif |
| 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 Elizabeth Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Elizabeth Cooper
Daughter · 1930 · age 11 · b. ~1919 · California
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Sibling
James Cooper
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Cooper
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cooper
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cooper
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Cooper
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Cooper
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Cooper
Sibling · 1930 · age 15
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
31 people indexed on this census page (ia:1930:californiacensus00reel110:0133)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis F Cooper | 54 | Head | Pressman | Ohio |
| 2 | Gertrude Cooper | 52 | Wife | — | Illinois |
| 3 | Louis F Jr Cooper | 22 | Son | — | California |
| 4 | John R Cooper | 20 | Son | — | California |
| 5 | James Cooper | 18 | Son | — | California |
| 6 | Joe Cooper | 15 | Son | — | California |
| 7 | Mary Cooper | 13 | Daughter | — | California |
| 8 | Elizabeth Cooper THIS PERSON | 11 | Daughter | — | California |
| 9 | William Cooper | 9 | Son | — | California |
| 10 | Robert Cooper | 6 | Son | — | California |
| 11 | Martha Lund | 31 | Housekeeper | Housekeeper | Minnesota |
| 12 | Louis Schuh | 23 | Lodger | Brakeman | Germany |
| 13 | Elizabeth Porter | 59 | Head | — | New York |
| 14 | Elizabeth Porter | 57 | Sister | Librarian | New York |
| 15 | Edna Porter | 55 | Sister | Housekeeper | New York |
| 16 | Lester Laughlin | 37 | Head | Business Manager | Maine |
| 17 | Alice Laughlin | 31 | Wife | — | New York |
| 18 | Lester Jr Laughlin | 1 | Son | — | California |
| 19 | Alice Laughlin | 2 | Daughter | — | California |
| 20 | Mary Laughlin | 63 | Mother | — | Connecticut |
| 21 | Elizabeth Laughlin | 30 | Sister | — | Maine |
| 22 | Gertrude Laughlin | 28 | Sister | — | Maine |
| 23 | — | None | — | — | — |
| 24 | Jack Amyx | 33 | Head | Salesman | Indiana |
| 25 | Lucille Amyx | 16 | Daughter | — | California |
| 26 | George Love | 70 | Head | Teller | Indiana |
| 27 | Alice Love | 65 | Wife | — | California |
| 28 | George Jr Love | 41 | Son | — | California |
| 29 | Harry Love | 31 | Son | Manager | California |
| 30 | Alice Love | 42 | Daughter | — | Indiana |
| 31 | Emma Love | 31 | Daughter | — | California |
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)