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.~1927), then head of a 7-person household.
Age 3
b. ~1927
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 | 3 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | City San Francisco |
| Est. Birth Year | ~1927 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ellen | Age | Birth yr |
|---|---|---|---|---|
| Ellen Sullivan | Daughter | — | 3 | ~1927 |
| Cornelius Sullivan | Head | — | 45 | ~1885 |
| Nora Sullivan | Daughter | — | 10 | ~1920 |
| Daniel Sullivan | Son | — | 9 | ~1921 |
| Margaret Sullivan | Daughter | — | 6 | ~1924 |
| James Sullivan | Son | — | 14 | ~1916 |
| Mary Sullivan | Spouse | — | 42 | ~1888 |
Census Appearances
1930
San Francisco, …
Daughter, age 3
San Francisco, California · implied b. ~1927 — 7 household members
| Surname | Sullivan |
| Given Name | Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Daughter, age 14
San-Francisco-County, California · implied b. ~1926 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Edna L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco City |
| 1935 Residence (County) | San Francisco |
| Industry | 0 |
| Highest Grade | G-8 |
| 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 3 · b. ~1927 · California
★ You are viewing this record
Sibling
Margaret Sullivan
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nora Sullivan
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Sullivan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sullivan
Sibling · 1930 · age 14
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:californiacensus00reel195:0118)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank A. Rounds | 65 | Head | Millwright | California |
| 52 | Florence B. Rounds | 58 | Wife | — | Illinois |
| 53 | Harry P. Lorenzen | 40 | Head | Mechanic | At Sea |
| 54 | May Lorenzen | 40 | Wife | — | California |
| 55 | Clarence Lorenzen | 23 | Son | Laborer | California |
| 56 | Evelyn Lorenzen | 22 | Daughter | Stenog. | California |
| 57 | Vera Lorenzen | 19 | Daughter | — | California |
| 58 | Dorothy Lorenzen | 15 | Daughter | — | California |
| 59 | Veronica Thomas | 75 | Head | — | Oregon |
| 60 | Margaret A. Thomas | 44 | Daughter | Accountant | California |
| 61 | Amelia A. Schreer | 57 | Head | — | Pennsylvania |
| 62 | Raymond A. Schreer | 27 | Son | Typeman | California |
| 63 | Cornelius Sullivan | 45 | Head | Laborer | Irish Free State |
| 64 | Mary Sullivan | 42 | Wife | — | Irish Free State |
| 65 | James Sullivan | 14 | Son | — | California |
| 66 | Nora Sullivan | 10 | Daughter | — | California |
| 67 | Daniel Sullivan | 9 | Son | — | California |
| 68 | Margaret Sullivan | 6 | Daughter | — | California |
| 69 | Ellen Sullivan THIS PERSON | 3 | Daughter | — | California |
| 70 | Madge Waspel | 33 | Head | — | Iowa |
| 71 | Virginia Waspel | 14 | Daughter | — | Missouri |
| 72 | Robert Waspel | 11 | Son | — | California |
| 73 | Dorothy Waspel | 10 | Daughter | — | California |
| 74 | Beverly Waspel | 5 | Daughter | — | California |
| 75 | Ada Holly | 70 | Mother | Servant | Illinois |
| 76 | Patrick Mccurdy | 52 | Head | Carpenter | Iowa |
| 77 | Mary Mccurdy | 51 | Wife | — | Utah |
| 78 | Irene Evans | 23 | Stepdaughter | Stenog. | Utah |
| 79 | Dorothy Evans | 18 | Stepdaughter | — | Utah |
| 80 | Jack Evans | 11 | Stepson | — | Utah |
| 81 | William Mcreedy | 10 | Son | — | California |
| 82 | Mary Mcreedy | 5 | Daughter | — | California |
| 83 | Walter Simmons | 6 | Stepson | — | California |
| 84 | Manuel Simmons | 27 | Boarder | Fireman | Hyacinth |
| 85 | Nellie H. Corbitt | 28 | Head | Saleslady | Russia |
| 86 | Dorothy Corbitt | 77 | Mother | — | Russia |
| 87 | Nick Kostriken | 9 | Son | — | California |
| 88 | William Mohr | 36 | Head | Laborer | Germany |
| 89 | Melina Mohr | 42 | Wife | Servant | Germany |
| 90 | Theodore Mohr | 9 | Son | — | Germany |
| 91 | George Knaller | 39 | Head | Moulder | Scotland |
| 92 | Elsie Knaller | 29 | Wife | — | California |
| 93 | Fred Knaller | 8 | Son | — | California |
| 94 | Joseph Chiusano | 42 | Head | Storekeeper | Italy |
| 95 | Alvina Chiusano | 42 | Wife | — | Italy |
| 96 | Edmond Chiusano | 15 | Son | — | California |
| 97 | John J. Kent | 32 | Head | Salesman | Colorado |
| 98 | Ruth J. Kent | 32 | Wife | — | Illinois |
| 99 | Jack T. Kent | 7 | Son | — | Illinois |
| 100 | August Lozzo | 22 | Head | Truck Driver | California |
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)