ED
Edwin Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Alameda, California
Our Model Tree links this Edwin Davis across the 1920, 1930 and 1940 US Censuses in Alameda, California (XGBoost, ~Confirmed), with identified parents Edward & May — first a son (b.~1911), then head of a 4-person household.
Age 19
b. ~1911
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alameda, California |
| Surname | Davis |
| Given Name | Edwin C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Indiana |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Oakland City Part |
| Est. Birth Year | ~1911 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Edwin | Age | Birth yr |
|---|---|---|---|---|
| Edward Davis | Head | — | 48 | ~1882 |
| May Davis | Spouse | — | 47 | ~1883 |
| Edwin Davis | Son | — | 19 | ~1911 |
| Robert Black | Other | — | 74 | ~1856 |
Census Appearances
1920
Alameda, California
Son, age 9
Alameda, California · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Elvon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Indiana |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Son, age 19
Alameda, California · implied b. ~1911 — 4 household members
| Surname | Davis |
| Given Name | Edwin C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Indiana |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Head, age 31
Alameda-County, California · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Eldon |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Oakland City |
| 1935 Residence (County) | Alameda |
| Occupation | Welder |
| Industry | Filter Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 464 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Edwin Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Davis (~0.92 confidence) and mother May Davis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Davis
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
May Davis
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edwin Davis
Son · 1930 · age 19 · b. ~1911 · California
★ You are viewing this record
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:0473)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Lowell | 63 | Head | Retail Grocer | California |
| 2 | Sophie Lowell | 45 | Sister | — | California |
| 3 | Lola M. Lowell | 22 | Daughter | Stenographer | California |
| 4 | Soren Grammelgard | 55 | Head | Motorman | Denmark |
| 5 | Marie Grammelgard | 50 | Wife | — | Denmark |
| 6 | Samuel K. Grammelgard | 24 | Son | Loc. Fireman | Illinois |
| 7 | Grace H. Marks | 41 | Head | — | California |
| 8 | Mervyn L. Marks | 22 | Son | Truck Driver | California |
| 9 | Rita A. Marks | 20 | Daughter | — | California |
| 10 | Doris I. Marks | 18 | Daughter | — | California |
| 11 | Edward H. Davis | 48 | Head | Auto Mechanic | Indiana |
| 12 | May Davis | 47 | Wife | — | California |
| 13 | Edwin C. Davis THIS PERSON | 19 | Son | — | California |
| 14 | Robert Black | 74 | Lodger | Retired | California |
| 15 | Mamie Brinn | 64 | Head | — | Colorado |
| 16 | Agnes Brinn | 45 | Sister | Caterer | California |
| 17 | Josephine M. Smith | 57 | Head | Caterer | California |
| 18 | Mary E. Smith | 20 | Daughter | Stenographer | California |
| 19 | Herbert L. Smith | 17 | Son | — | California |
| 20 | Nellie J. Mckean | 56 | Lodger | Dressmaker | Irish Free State |
| 21 | Eileen J. Mckean | 21 | Lodger | Stenographer | New Jersey |
| 22 | Robert F. Mckean | 17 | Lodger | — | New Jersey |
| 23 | William H. Lovejoy | 49 | Head | Operator | California |
| 24 | Louise H. Lovejoy | 46 | Wife | — | Germany |
| 25 | David Verbridge | 61 | Head | Carpenter | New York |
| 26 | Mary S. Verbridge | 62 | Wife | — | New York |
| 27 | Clifford D. Verbridge | 26 | Son | Bookkeeper | California |
| 28 | Albert O. Gustavson | 47 | Head | Pattern Maker | Illinois |
| 29 | Beda M. Gustavson | 36 | Wife | — | Illinois |
| 30 | Marvin O. Gustavson | 20 | Son | Apprentice | California |
| 31 | Lila M. Gustavson | 15 | Daughter | — | California |
| 32 | Edith Hess | 46 | Head | Garment Maker | Illinois |
| 33 | Thomas O'Neil | 83 | Head | Retired | New York |
| 34 | Florence O'Neil | 61 | Wife | — | Maryland |
| 35 | Edna L. O'Neil | 42 | Daughter | Private Secretary | California |
| 36 | Lester O'Neil | 40 | Son | Shipping Clerk | California |
| 37 | Fred G. Kelley | 52 | Head | Civil Engineer | Illinois |
| 38 | Gertrude H. Kelley | 47 | Wife | — | Colorado |
| 39 | Alice J. Kelley | 14 | Daughter | — | California |
| 40 | Charles Scharff | 63 | Head | Waiter | France |
| 41 | Celia M. Scharff | 53 | Wife | — | California |
| 42 | Arline W. Scharff | 31 | Daughter | Teacher | California |
| 43 | Mina Scharff | 78 | Mother | — | Germany |
| 44 | Ray Mcdaniel | 31 | Head | Manager | Illinois |
| 45 | Elizabeth Mcdaniel | 30 | Wife | — | California |
| 46 | Jack H. Mcdaniel | 3 | Son | — | California |
| 47 | Albert B. Strock | 52 | Head | Steward | Ohio |
| 48 | Anna Strock | 66 | Wife | — | California |
| 49 | Mabel Strock | 19 | Boarder | — | California |
| 50 | Howard J. Bierwith | 50 | Head | Home Carpenter | Illinois |
Pedigree Summary
Edwin
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)