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Joseph Cooper — 1930 US Census Record
Model Tree available1930 United States Federal Census · Alameda, California
Our Model Tree links this Joseph Cooper across the 1910, 1920 and 1930 US Censuses in Alameda, California (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a son (b.~1910), then head of a 5-person household.
Age 20
b. ~1910
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alameda, California |
| Surname | Cooper |
| Given Name | Joseph D |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Conn |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Oakland City Pt |
| Est. Birth Year | ~1910 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Cooper | Son | — | 20 | ~1910 |
| Joseph Cooper | Head | — | 48 | ~1882 |
| Dorothy Cooper | Daughter | — | 17 | ~1913 |
| Walter Atkinson | Other | — | 8 | ~1922 |
| Mabel Cooper | Other | — | 40 | ~1890 |
Census Appearances
1910
Alameda, California
Son, age
Alameda, California · implied b. ~1910 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Joseph D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Scot. English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Alameda, California
Son, age 10
Alameda, California · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Joseph D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Son, age 20
Alameda, California · implied b. ~1910 — 5 household members
| Surname | Cooper |
| Given Name | Joseph D |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Conn |
| Mother's Birthplace | Scotland |
| Occupation | none |
| 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 Joseph Cooper across 3 US Census years (1910, 1920 and 1930) in Alameda, California, using XGBoost record linkage. Identified parents: father Joseph Cooper (~0.92 confidence) and father Joseph Cooper (~0.92 confidence) and mother Mae Cooper (~0.92 confidence) and mother Marie Cooper (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Cooper
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Joseph Cooper
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Mae Cooper
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Marie Cooper
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Cooper
Son · 1930 · age 20 · b. ~1910 · California
★ You are viewing this record
Sibling
Dorothy Cooper
Sibling · 1930 · age 17
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:1930:15thcensuspopula102unit:1086)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dolores J Carr | 17 | daughter | None | California |
| 52 | Sidney H Rule | 39 | Head | Civil Engineer | Iowa |
| 53 | Bertha D Rule | 38 | Wife-H | Asst. Manager | Massachusetts |
| 54 | William W Murray | 36 | Head | Collection Manager | New York |
| 55 | Grace Murray | 33 | Wife-H | None | New York |
| 56 | Roy D Adams | 29 | Head | Manager | California |
| 57 | Eva H Adams | 26 | Wife-H | None | California |
| 58 | Harold F Erickson | 36 | Head | Sales Manager | California |
| 59 | Enid F Erickson | 31 | Wife-H | None | California |
| 60 | Joan Erickson | 7 | daughter | None | California |
| 61 | Harold F Jr Erickson | 3 | son | None | California |
| 62 | Suzanne Erickson | 1 | daughter | None | California |
| 63 | Robert A Holt | 28 | Head | Broker | Oklahoma |
| 64 | Elizabeth Holt | 23 | Wife-H | None | California |
| 65 | Maryann Teixeira | 38 | Servant | Servant | Portugal |
| 66 | Donald Schnabel | 33 | Head | Buyer | Ohio |
| 67 | Louise B Schnabel | 34 | Wife-H | None | Washington |
| 68 | Donald Jr Schnabel | 8 | son | None | California |
| 69 | Betty E Schnabel | 4 | daughter | None | California |
| 70 | William C Rodolph | 31 | Head | Pharmacist | California |
| 71 | Emma E Rodolph | 31 | Wife-H | None | California |
| 72 | Charles J Rice | 32 | Head | Train Dispatcher | Colorado |
| 73 | Jane K Rice | 35 | Wife-H | None | Pennsylvania |
| 74 | Gertrude Rice | 11 | daughter | None | California |
| 75 | Patricia Rice | 8 | daughter | None | California |
| 76 | Julia H Wellborn | 42 | Sister-in-law | Teacher | Pennsylvania |
| 77 | Roy Mchale | 31 | Head | Engineer | California |
| 78 | Louise Mchale | 28 | Wife-H | None | California |
| 79 | Barbara Mchale | 2 | daughter | None | California |
| 80 | Walter B Kennedy | 44 | Head | Manager | California |
| 81 | Margaret M Kennedy | 38 | Wife-H | None | California |
| 82 | Laura A Kennedy | 87 | Mother | None | Missouri |
| 83 | Margaret A Kennedy | 64 | Sister | None | Missouri |
| 84 | Robert E Hylie | 42 | Head | Salesman | Ireland |
| 85 | Alice M Hylie | 43 | Wife-H | None | California |
| 86 | Robert E Jr Hylie | 8 | son | None | California |
| 87 | Mary Jane Hylie | 5 | daughter | None | California |
| 88 | Joseph F Cooper | 48 | Head | Custodian | Conn |
| 89 | Mabel Cooper | 40 | Wife-H | None | Scotland |
| 90 | Joseph D Cooper THIS PERSON | 20 | son | None | California |
| 91 | Dorothy J Cooper | 17 | daughter | Comptometer | California |
| 92 | Walter Atkinson | 8 | Boarder | None | California |
| 93 | Margaret A Dickey | 68 | Head | None | Illinois |
| 94 | Edna Dickey | 44 | daughter | Secretary | Kansas |
| 95 | Herbert L Dickey | 41 | son | Physicist | Kansas |
| 96 | Harold Dickey | 24 | son | Salesman | California |
| 97 | May R Beaumont | 35 | Head | None | Washington |
| 98 | Betty E Beaumont | 13 | daughter | None | California |
| 99 | Constance Beaumont | 11 | daughter | None | California |
| 100 | William G Beaumont | 8 | son | None | California |
Pedigree Summary
Joseph + 1 sibling
Gen 1 · 4 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)