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William Larkin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Bernardino, California
Our Model Tree links this William Larkin across the 1930 and 1940 US Censuses in San Bernardino, California (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 9-person household.
Age 7
b. ~1923
Male
Son
Born: Arkansas
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Bernardino, California |
| Surname | Larkin |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Arkansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Township / Ward | Ontario City |
| Est. Birth Year | ~1923 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Thelma Larkin | Daughter | — | 2 | ~1928 |
| Harrison Larkin | Head | — | 36 | ~1894 |
| Mae Larkin | Daughter | — | 5 | ~1925 |
| Pauline Larkin | Daughter | — | 12 | ~1918 |
| Dorothy Larkin | Daughter | — | 3 | ~1927 |
| Lola Larkin | Spouse | — | 34 | ~1896 |
| William Larkin | Son | — | 7 | ~1923 |
| Lorne Larkin | Daughter | — | 9 | ~1921 |
| Velma Larkin | Daughter | — | 2 | ~1928 |
Census Appearances
1930
San Bernardino, …
Son, age 7
San Bernardino, California · implied b. ~1923 — 9 household members
| Surname | Larkin |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Arkansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
San-Bernardino-County, California
Son, age 16
San-Bernardino-County, California · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkins |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Ontario City |
| 1935 Residence (County) | San Bernardino |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
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 Larkin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Larkin
Son · 1930 · age 7 · b. ~1923 · California
★ You are viewing this record
Sibling
Velma Larkin
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Larkin
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Larkin
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mae Larkin
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Larkin
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorne Larkin
Sibling · 1930 · age 9
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 — San Bernardino, California
Open full size
1930 US Federal Census — San Bernardino, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel188:0449)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daughter Donald | 2 | Daughter | None | California |
| 2 | Daughter Donald | 1 | Daughter | None | California |
| 3 | Son Donald | 17 | Son | None | Oregon |
| 4 | Emma M. Eveleth | 41 | Head | None | Massachusetts |
| 5 | Ralph Justus | 27 | Head | Manager | Arkansas |
| 6 | Nina Justus | 20 | Wife | None | Nebraska |
| 7 | Robert Justus | 2 | Son | None | California |
| 8 | Keith Justus | 1 | Son | None | California |
| 9 | James Micelli | 20 | Lodger | None | Italy |
| 10 | Raymond Smith | 29 | Head | Laborer | Missouri |
| 11 | Ida Smith | 24 | Wife | None | Missouri |
| 12 | Lee Smith | 7 | Son | None | Missouri |
| 13 | Bob Smith | 4 | Son | None | Missouri |
| 14 | Mary Smith | 2 | Daughter | None | Missouri |
| 15 | Dan Votaw | 78 | Head | Retired | Iowa |
| 16 | Clara Votaw | 72 | Wife | None | Iowa |
| 17 | Emmett Taylor | 42 | Head | Manager | United States |
| 18 | Grace Taylor | 33 | Wife | None | California |
| 19 | Sheldon Taylor | 13 | Son | None | California |
| 20 | Francis Taylor | 11 | Son | None | California |
| 21 | Lucile Benson | 17 | Lodger | None | Michigan |
| 22 | Charles Fisher | 53 | Head | Laborer | California |
| 23 | Betty Fisher | 44 | Wife | Packer | Texas |
| 24 | Charles Jr. Fisher | 16 | Son | Laborer | California |
| 25 | Clarence Fisher | 15 | Son | None | California |
| 26 | Boyd Fisher | 12 | Son | None | California |
| 27 | Boyce Fisher | 12 | Son | None | California |
| 28 | Harrison Larkin | 36 | Head | Laborer | Arkansas |
| 29 | Lola Larkin | 34 | Wife | None | Arkansas |
| 30 | Pauline Larkin | 12 | Daughter | None | Missouri |
| 31 | Lorne Larkin | 9 | Daughter | None | Arkansas |
| 32 | William Larkin THIS PERSON | 7 | Son | None | Arkansas |
| 33 | Mae Larkin | 5 | Daughter | None | California |
| 34 | Dorothy Larkin | 3 | Daughter | None | California |
| 35 | Thelma Larkin | 2 | Daughter | None | California |
| 36 | Velma Larkin | 2 | Daughter | None | California |
| 37 | Charles Stone | 53 | Head | Carpenter | Iowa |
| 38 | Matilda Stone | 45 | Wife | None | Illinois |
| 39 | William Starns | 24 | Head | Salesman | Arkansas |
| 40 | Marie Starns | 21 | Wife | Waitress | Kentucky |
| 41 | Norman Starns | 3 | Son | None | California |
| 42 | Betty Jean Starns | 1 | Daughter | None | California |
| 43 | John Allen | 58 | Father | Laborer | Kentucky |
| 44 | Retta Allen | 47 | Mother | None | Kentucky |
| 45 | Wayland Allen | 16 | Son | None | Kentucky |
| 46 | Colleen Allen | 13 | Daughter | None | Oklahoma |
| 47 | John Cooley | 32 | Head | Manager | Oregon |
| 48 | Elizabeth Cooley | 31 | Wife | Book-Keeper | Illinois |
| 49 | John Casteel | 56 | Head | Laborer | Mississippi |
| 50 | Virginia Casteel | 54 | Wife | None | Mississippi |
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)