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Frank Campbell — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this Frank Campbell across the 1910, 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Grace & Mary — first a son (b.~1904), then head of a 6-person household.
Age 26
b. ~1904
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Campbell |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1904 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Nellie Campbell | Daughter | — | 18 | ~1912 |
| Robert Campbell | Head | — | 57 | ~1873 |
| Gloria Campbell | Other | — | 5 | ~1925 |
| Frank Campbell | Son | — | 26 | ~1904 |
| Robert Campbell | Son | — | 31 | ~1899 |
| Grace Campbell | Spouse | — | 57 | ~1873 |
Census Appearances
1910
San Francisco, …
Son, age 7
San Francisco, California · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Frank J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Ohio |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 16
San Francisco, California · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Ohio |
| Occupation | Beef dresser |
| Industry | Wholesale But |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 26
San Francisco, California · implied b. ~1904 — 6 household members
| Surname | Campbell |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Ohio |
| 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 Frank Campbell across 3 US Census years (1910, 1920 and 1930) in San Francisco, California, using XGBoost record linkage. Identified parents: mother Grace Campbell (~0.92 confidence) and mother Mary Campbell (~0.92 confidence) and mother Mary Campbell (~0.92 confidence) and father Robert Campbell (~0.92 confidence) and father Robert Campbell (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Grace Campbell
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mary Campbell
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mary Campbell
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Robert Campbell
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Robert Campbell
b. ~1874
Source father
● Household
· direct · ~0.92
This person
Anchor record
Frank Campbell
Son · 1930 · age 26 · b. ~1904 · California
★ You are viewing this record
Sibling
Nellie Campbell
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Campbell
Sibling · 1930 · age 31
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 Francisco, California
Open full size
1930 US Federal Census — San Francisco, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel204:0915)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Geo. H. Perryman | 52 | Head | Truck Driver | California |
| 2 | Hattie Perryman | 51 | Wife | — | California |
| 3 | Howard Perryman | 30 | Son | Glazier | California |
| 4 | Robert Campbell | 57 | Head | Stationary Engineer | Scotland |
| 5 | Grace Campbell | 57 | Wife | — | Ohio |
| 6 | Robert J. Campbell | 31 | Son | Longshoreman | California |
| 7 | Frank Campbell THIS PERSON | 26 | Son | — | California |
| 8 | Nellie Campbell | 18 | Daughter | — | California |
| 9 | Gloria Campbell | 5 | Granddaughter | — | California |
| 10 | Robt. M. Burns | 35 | Head | Motorman | Illinois |
| 11 | Alice Burns | 35 | Wife | Ironer | Pennsylvania |
| 12 | Clyde Burns | 20 | Son | — | Illinois |
| 13 | Sarah Watts | 53 | Head | — | California |
| 14 | Mary Owen | 41 | Head | — | Illinois |
| 15 | Adolph Trappes | 55 | Boarder | Sailor | Germany |
| 16 | Harry Gibbs | 45 | Head | Plasterer | California |
| 17 | Mary Gibbs | 48 | Wife | — | New York |
| 18 | Jos. Gernshal | 49 | Head | Janitor | Utah |
| 19 | Eva Gernshal | 45 | Wife | — | Utah |
| 20 | Effie Gernshal | 19 | Daughter | Stretcher | Utah |
| 21 | Chas. Gernshal | 17 | Son | Marker | Utah |
| 22 | Merriel Gernshal | 15 | Son | School | Utah |
| 23 | Viola Gernshal | 11 | Daughter | — | Utah |
| 24 | Glenna Gernshal | 7 | Daughter | — | Utah |
| 25 | Robt. Gernshal | 6 | Son | — | Utah |
| 26 | Cath. Dunnigan | 58 | Head | — | California |
| 27 | Josephine Dunnigan | 67 | Sister | — | California |
| 28 | Geo. D. Gilmore | 61 | Head | Retired | California |
| 29 | Margaret Gilmore | 52 | Wife | — | California |
| 30 | Geo. R. Gilmore | 26 | Son | Draftsman | California |
| 31 | Howard Gilmore | 19 | Son | — | California |
| 32 | Jean Gilmore | 14 | Daughter | — | California |
| 33 | Martin J. O'Brien | 43 | Head | Clerk | Irish Free State |
| 34 | Mary G. O'Brien | 46 | Wife | — | Irish Free State |
| 35 | Winifred O'Brien | 16 | Daughter | — | California |
| 36 | John J. O'Brien | 15 | Son | — | California |
| 37 | Anna M. O'Brien | 14 | Daughter | — | California |
| 38 | Martin J. O'Brien | 12 | Son | — | California |
| 39 | Helen O'Brien | 7 | Daughter | — | California |
| 40 | Thomas O'Brien | 4 | Son | — | California |
| 41 | Geo. L. Heppel | 46 | Head | Watchman | Germany |
| 42 | Rosa Heppel | 42 | Wife | — | Germany |
| 43 | Alma Heppel | 17 | Daughter | — | Utah |
| 44 | Rosa Heppel | 15 | Daughter | — | Utah |
| 45 | Rudolph Heppel | 13 | Son | — | Utah |
| 46 | Marilyn Heppel | 10 | Son | — | Utah |
| 47 | Adeline Heppel | 6 | Daughter | — | Utah |
| 48 | Sarah Hesselgesse | 33 | Roomer | — | New York |
| 49 | John G. Gulliver | 39 | Head | Police | California |
| 50 | Mary A. Jones | 64 | Mother | — | Washington |
Pedigree Summary
Frank + 2 siblings
Gen 1 · 5 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)