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William Humphrey — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Alameda, California
Our Model Tree links this William Humphrey across the 1930 and 1940 US Censuses in Alameda, California (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 8-person household.
Age 18
b. ~1912
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alameda, California |
| Surname | Humphrey |
| Given Name | William H Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Florida |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Berkeley 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Robert Humphrey | Son | — | 12 | ~1918 |
| Lulu Humphrey | Daughter | — | 16 | ~1914 |
| John Humphrey | Son | — | 14 | ~1916 |
| James Humphrey | Son | — | 10 | ~1920 |
| William Humphrey | Head | — | 61 | ~1869 |
| Richard Humphrey | Son | — | 8 | ~1922 |
| William Humphrey | Son | — | 18 | ~1912 |
| Lulu Humphrey | Spouse | — | 49 | ~1881 |
Census Appearances
1930
Alameda, California
Son, age 18
Alameda, California · implied b. ~1912 — 8 household members
| Surname | Humphrey |
| Given Name | William H Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Florida |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Head, age 27
Alameda-County, California · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Humphreys |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Oakland city |
| 1935 Residence (County) | Alameda |
| Occupation | Deputy Sheriff |
| Industry | County Force |
| Class of Worker | GW |
| Hours Worked | 50 |
| Income (1939) | 2000 |
| Highest Grade | C 3 |
| 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 William Humphrey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Humphrey
Son · 1930 · age 18 · b. ~1912 · California
★ You are viewing this record
Sibling
John Humphrey
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Humphrey
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lulu Humphrey
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Humphrey
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Humphrey
Sibling · 1930 · age 12
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:californiacensus00reel110:0533)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William H Humphrey | 61 | Head | Carpenter | Indiana |
| 2 | Lulu Humphrey | 49 | Wife | — | California |
| 3 | William H Jr Humphrey THIS PERSON | 18 | Son | — | California |
| 4 | Lulu M Humphrey | 16 | Daughter | — | California |
| 5 | John Humphrey | 14 | Son | — | California |
| 6 | Robert Humphrey | 12 | Son | — | California |
| 7 | James Humphrey | 10 | Son | — | California |
| 8 | Richard Humphrey | 8 | Son | — | California |
| 9 | Jackson H Grover | 49 | Head | Tailor | Virginia |
| 10 | Lillian Grover | 44 | Wife | — | Pennsylvania |
| 11 | Lillian Grover | 13 | Daughter | — | Virginia |
| 12 | Jackson Grover | 11 | Son | — | Virginia |
| 13 | Eliza Ames | 65 | Head | — | California |
| 14 | Eliza Ames | 41 | Daughter | — | California |
| 15 | William Ames | 45 | Son | — | California |
| 16 | George Ames | 42 | Son | — | California |
| 17 | John Ames | 32 | Son | — | California |
| 18 | Frank Ames | 30 | Son | — | California |
| 19 | Mary Ames | 28 | Daughter | — | California |
| 20 | Violet E Gilstrup | 28 | Head | Nurse | California |
| 21 | Laura M Gilstrup | 23 | Sister | — | California |
| 22 | Mary E Anderson | 21 | Boarder | Teacher | California |
| 23 | Thelma I Beatty | 21 | Boarder | Teacher | California |
| 24 | Frank G Seward | 70 | Head | — | Maryland |
| 25 | Samuel Lemos | 25 | Head | Waiter | Texas |
| 26 | Phoebe Lemos | 25 | Wife | Cutter | Texas |
| 27 | — | None | — | — | — |
| 28 | — | None | — | — | — |
| 29 | — | None | — | — | — |
| 30 | — | None | — | — | — |
| 31 | — | None | — | — | — |
| 32 | — | None | — | — | — |
| 33 | John Williams | 50 | Head | Gardener | California |
| 34 | Mary Williams | 45 | Wife | — | California |
| 35 | John Jr Williams | 22 | Son | — | California |
| 36 | Mary Williams | 20 | Daughter | — | California |
| 37 | George Williams | 18 | Son | — | California |
| 38 | Wesley Williams | 36 | Head | Gardener | California |
| 39 | Alice Williams | 31 | Wife | — | California |
| 40 | Wesley Jr Williams | 10 | Son | — | California |
| 41 | — | None | — | — | — |
| 42 | — | None | — | — | — |
| 43 | — | None | — | — | — |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
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)