HS
Helen Sullivan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Helen Sullivan across the 1920 and 1930 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 18-person household.
Age 15
b. ~1915
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Sullivan |
| Given Name | Helen F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Illinois |
| Mother's Birthplace | So. Dakota |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1915 |
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.
18 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Ruth Hart | Daughter | — | 16 | ~1914 |
| Jodylynn Hart | Daughter | — | 4 | ~1926 |
| Charlotte Sharpe | Daughter | — | ~1930 | |
| Charlotte Sharpe | Daughter | — | 21 | ~1909 |
| Betty Sullivan | Daughter | — | 9 | ~1921 |
| Phyllis Hart | Daughter | — | 12 | ~1918 |
| Dorothy Sullivan | Daughter | — | 8 | ~1922 |
| Patricia Sullivan | Daughter | — | 2 | ~1928 |
| Margaret Sullivan | Daughter | — | 13 | ~1917 |
| Joane Sullivan | Daughter | — | ~1930 | |
| Helen Sullivan | Daughter | — | 15 | ~1915 |
| Phil Hart | Head | — | 39 | ~1891 |
| Frank Sullivan | Other | — | 38 | ~1892 |
| Harold Pease | Other | — | 47 | ~1883 |
| Frank Sullivan | Son | — | 6 | ~1924 |
| Bessie Pease | Spouse | — | 49 | ~1881 |
| Gaylann Hart | Spouse | — | 41 | ~1889 |
| Alice Sullivan | Spouse | — | 36 | ~1894 |
Census Appearances
1920
Los Angeles, …
Daughter, age 5
Los Angeles, California · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Helen A |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Illinois |
| Mother's Birthplace | South Dakota |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Los Angeles, …
Daughter, age 15
Los Angeles, California · implied b. ~1915 — 18 household members
| Surname | Sullivan |
| Given Name | Helen F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Illinois |
| Mother's Birthplace | So. Dakota |
| 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 Helen Sullivan across 2 US Census years (1920 and 1930) in Los Angeles, California, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Sullivan
Daughter · 1930 · age 15 · b. ~1915 · California
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Sibling
Ruth Hart
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joane Sullivan
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jodylynn Hart
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Sullivan
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Sullivan
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Sharpe
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Hart
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Sharpe
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Sullivan
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Sullivan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Sullivan
Sibling · 1930 · age 13
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 — Los Angeles, California
Open full size
1930 US Federal Census — Los Angeles, California
Page Contents
43 people indexed on this census page (ia:1930:californiacensus00reel137:0815)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paul F. Van Amburgh | 32 | Head | Civil Engineer | New York |
| 2 | Dorothy M. Van Amburgh | 32 | Wife | — | Michigan |
| 3 | Paul Allen Van Amburgh | 4 | Son | — | California |
| 4 | Mary Louise Van Amburgh | 3 | Daughter | — | California |
| 5 | Elizabeth Carpenter | 38 | Servant | Servant | Pennsylvania |
| 6 | Warren D. Fishburn | 38 | Head | — | Missouri |
| 7 | Mary E. Fishburn | 37 | Wife | — | Ohio |
| 8 | Warren D. Jr. Fishburn | 2 | Son | — | California |
| 9 | Seaton Wilkerson | 46 | Head | Artist | Virginia |
| 10 | Mattie J. Wilkerson | 43 | Wife | — | Virginia |
| 11 | Edgar F. Wilkerson | 20 | Son | — | Virginia |
| 12 | Hugh E. Wilkerson | 16 | Son | — | Virginia |
| 13 | Jack R. Wilkerson | 8 | Son | — | Virginia |
| 14 | Martha E. Wilkerson | 11 | Daughter | — | Virginia |
| 15 | George Lyle | 26 | Head | Aviator | Pennsylvania |
| 16 | Marian S. Lyle | 26 | Wife | — | Pennsylvania |
| 17 | George Jr. Lyle | 2 | Son | — | California |
| 18 | Anna S. Lyle | 1 | Daughter | — | California |
| 19 | Paul S. Lyle | 0 | Son | — | California |
| 20 | Howard Head Adams | 30 | Head | Manager | California |
| 21 | Maureen Adams | 28 | Wife | — | Missouri |
| 22 | Katy Robinson | 62 | Aunt | — | Ireland |
| 23 | Annie Robinson | 66 | Aunt | — | Ireland |
| 24 | Phil B. Hart | 39 | Head | Operator | Ohio |
| 25 | Gaylann Hart | 41 | Wife | — | Indiana |
| 26 | Ruth H. Hart | 16 | Daughter | — | California |
| 27 | Phyllis L. Hart | 12 | Daughter | — | California |
| 28 | Jodylynn Hart | 4 | Daughter | — | California |
| 29 | Harold T. Pease | 47 | O | — | Wisconsin |
| 30 | Bessie D. Pease | 49 | Wife | — | Iowa |
| 31 | Charlotte Sharpe | 21 | Daughter | — | Illinois |
| 32 | Charlotte Jane Sharpe | 0 | Daughter | — | California |
| 33 | Frank J. Sullivan | 38 | O | Operator | Illinois |
| 34 | Alice M. Sullivan | 36 | Wife | — | South Dakota |
| 35 | Helen F. Sullivan THIS PERSON | 15 | Daughter | — | California |
| 36 | Margaret M. Sullivan | 13 | Daughter | — | California |
| 37 | Betty Lou Sullivan | 9 | Daughter | — | California |
| 38 | Dorothy Mae Sullivan | 8 | Daughter | — | California |
| 39 | Frank J. Jr. Sullivan | 6 | Son | — | California |
| 40 | Patricia A. Sullivan | 2 | Daughter | — | California |
| 41 | Joane L. Sullivan | 0 | Daughter | — | California |
| 42 | Will O. Pryor | 54 | Head | Salesman | Iowa |
| 43 | Mary O. Pryor | 48 | Wife | — | Iowa |
Related Census Records
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)