ES
Ellen Sullivan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this Ellen Sullivan across the 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 10-person household.
Age 18
b. ~1912
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Sullivan |
| Given Name | Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| 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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ellen | Age | Birth yr |
|---|---|---|---|---|
| Timothy Sullivan | Son | — | 22 | ~1908 |
| Thomas Sullivan | Head | — | 45 | ~1885 |
| Margaret Sullivan | Daughter | — | 20 | ~1910 |
| Alice Sullivan | Daughter | — | 15 | ~1915 |
| Ellen Sullivan | Daughter | — | 18 | ~1912 |
| Thomas Sullivan | Son | — | 22 | ~1908 |
| Elizabeth Sullivan | Spouse | — | 43 | ~1887 |
| John Sullivan | Son | — | 24 | ~1906 |
| Harold Sullivan | Son | — | 7 | ~1923 |
| Edward Sullivan | Son | — | 10 | ~1920 |
Census Appearances
1930
San Francisco, …
Daughter, age 18
San Francisco, California · implied b. ~1912 — 10 household members
| Surname | Sullivan |
| Given Name | Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Other, age 29
San-Francisco-County, California · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Ethel R. |
| Relationship to Head | Sister-in-law |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Highest Grade | Hs 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 Ellen Sullivan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ellen Sullivan
Daughter · 1930 · age 18 · b. ~1912 · California
★ You are viewing this record
Sibling
Thomas Sullivan
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Sullivan
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Sullivan
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Sullivan
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Sullivan
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Sullivan
Sibling · 1930 · age 20
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:californiacensus00reel205:0043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anthony Warriner | 23 | Head | — | New York |
| 2 | Alice Warriner | 3 | Daughter | — | California |
| 3 | Abraham Ford | 47 | Head | Shipping Clerk | New York |
| 4 | Bernette Ford | 42 | Wife | — | New York |
| 5 | Evelyn M Freitas | 40 | Head | Baker | California |
| 6 | Theodore E Keen | 20 | Head | Helper | Canada English |
| 7 | Melvin B Keen | 18 | Brother | — | Canada English |
| 8 | Margaret H Keen | 21 | Sister | Clerk | Canada English |
| 9 | Mary A Keen | 58 | Mother | — | England |
| 10 | Ray Schonacher | 28 | Head | Salesman | California |
| 11 | Anna Schonacher | 21 | Wife | — | Louisiana |
| 12 | Carl F Lavastha | 39 | Head | House Painter | Denmark |
| 13 | Reidun Lavastha | 27 | Wife | — | Norway |
| 14 | Earl E Lavastha | 3 | Son | — | California |
| 15 | Arthur Etherly | 47 | Head | Manager | England |
| 16 | Ada A Etherly | 44 | Wife | — | California |
| 17 | Joseph Lively | 36 | Head | Automobile Mechanic | California |
| 18 | Lenore Lively | 33 | Wife | — | Utah |
| 19 | Mary L Lively | 4 | Daughter | — | California |
| 20 | Thomas F Sullivan | 45 | Head | — | California |
| 21 | Elizabeth Sullivan | 43 | Wife | — | California |
| 22 | John T Sullivan | 24 | Son | — | California |
| 23 | Timothy F Sullivan | 22 | Son | — | California |
| 24 | Margaret Sullivan | 20 | Daughter | — | California |
| 25 | Ellen Sullivan THIS PERSON | 18 | Daughter | — | California |
| 26 | Alice Sullivan | 15 | Daughter | — | California |
| 27 | Edward Sullivan | 10 | Son | — | California |
| 28 | Harold Sullivan | 7 | Son | — | California |
| 29 | Thomas Sullivan | 22 | Son | Laborer | California |
| 30 | Fred Schultz | 40 | Head | Cook | California |
| 31 | Julia E Schultz | 38 | Wife | Cashier | California |
| 32 | Lucille Schultz | 16 | Daughter | Cashier | California |
| 33 | Fred Jr Schultz | 14 | Son | — | California |
| 34 | Arthur Schmale | 37 | Head | — | California |
| 35 | Pearl Schmale | 37 | Wife | — | California |
| 36 | Arthur Jr Schmale | 13 | Son | — | California |
| 37 | Alvin Lewis | 45 | Head | Salesman | New York |
| 38 | Flora Lewis | 42 | Wife | — | New York |
| 39 | George Lewis | 18 | Son | — | New York |
| 40 | Raymond Lewis | 15 | Son | — | California |
| 41 | Alvin Jr Lewis | 12 | Son | — | California |
| 42 | George H Hammond | 52 | Head | Agent | California |
| 43 | Carrie E Hammond | 50 | Wife | Superintendent | California |
| 44 | Eunice Strickland | 47 | Head | Waitress | Arkansas |
| 45 | Elizabeth Strickland | 22 | Daughter | Waitress | California |
| 46 | Clyde W Waddell | 30 | Head | Clerk | California |
| 47 | Elizabeth Waddell | 23 | Wife | — | Illinois |
| 48 | Betty Waddell | 5 | Daughter | — | California |
| 49 | Joan Waddell | 2 | Daughter | — | California |
| 50 | Frank Flores | 27 | Nephew | Sorter | Azores Islands |
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)