AS
Alice Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Alice Sullivan across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents Francis & Frank — first a daughter (b.~1913), then head of a 7-person household.
Age 27
b. ~1913
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Sullivan |
| Given Name | Alice M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Berkeley City |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Petroleum Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2301 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Stenographer |
| Township / Ward | Berkeley City |
| Est. Birth Year | ~1913 |
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 1940 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| Mercedes Sullivan | Daughter | — | 19 | ~1921 |
| Fern Sullivan | Daughter | — | 18 | ~1922 |
| Elodie Sullivan | Daughter | — | 22 | ~1918 |
| Alice Sullivan | Daughter | — | 27 | ~1913 |
| Dorothea Sullivan | Daughter | — | 21 | ~1919 |
| Francis Sullivan | Head | — | 60 | ~1880 |
| Alice Sullivan | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Alameda, California
Daughter, age 9
Alameda, California · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Alice M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Daughter, age 18
Alameda, California · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Alice |
| 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
Alameda-County, California
Daughter, age 27
Alameda-County, California · implied b. ~1913 — 7 household members
| Surname | Sullivan |
| Given Name | Alice M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Berkeley City |
| 1935 Residence (County) | Alameda |
| Occupation | Stenographer |
| Industry | Petroleum Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2301 |
| Highest Grade | No 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 Alice Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Francis Sullivan (~0.92 confidence) and father Frank Sullivan (~0.92 confidence) and father Frank Sullivan (~0.92 confidence) and mother Alice Sullivan (~0.92 confidence) and mother Alice Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Francis Sullivan
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Frank Sullivan
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Frank Sullivan
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Alice Sullivan
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Alice Sullivan
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alice Sullivan
Daughter · 1940 · age 27 · b. ~1913 · California
★ You are viewing this record
Sibling
Elodie Sullivan
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothea Sullivan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fern Sullivan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mercedes Sullivan
Sibling · 1940 · age 19
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
1940 US Federal Census — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00190-00163)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert H. Lybeck | 20 | Son | New Worker | California |
| 2 | Alice G. Robinson | 68 | Aunt | — | Michigan |
| 3 | Margaret Harrison | 41 | Head | Research Asst. | Michigan |
| 4 | David M. Binell | 65 | Head | — | Italy |
| 5 | Merrian H. Binell | 66 | Wife | — | Michigan |
| 6 | Ellsworth Tharp | 60 | Head | Salesman | Indiana |
| 7 | Maud Tharp | 50 | Wife | — | Pennsylvania |
| 8 | Mary E. Briton | 74 | Mother-in-law | — | Pennsylvania |
| 9 | Mary J. Secchotty | 26 | Niece | Saleslady | California |
| 11 | Walter Linke | 53 | Head | Translator | Germany |
| 12 | Helene Linke | 53 | Wife | Prac. Nurse | Germany |
| 13 | Amelia Mickum | 62 | Head | — | Illinois |
| 14 | Harold Apence | 68 | Head | Accountant | Norway |
| 15 | Johanna Apence | 63 | Wife | — | Norway |
| 16 | Einar Apence | 25 | Son | New Worker | Washington |
| 17 | Harold Apence | 25 | Son | New Worker | Washington |
| 18 | Lawrence Bartholomew | 29 | Head | Meterman | Washington |
| 19 | Marion Bartholomew | 27 | Wife | — | California |
| 20 | Robert N. Halladay | 31 | Head | — | Oregon |
| 21 | Wilma G. Halladay | 31 | Wife | — | Wisconsin |
| 22 | Madge Wightman | 40 | Lodger | Teacher | New Jersey |
| 23 | Don G. Wightman | 7 | Lodger-son | — | California |
| 24 | John Malcomson | 45 | Head | Custodian | England |
| 25 | Winifred Malcomson | 42 | Wife | — | Massachusetts |
| 26 | John A. Malcomson | 18 | Son | — | California |
| 27 | Robert Malcomson | 15 | Son | — | California |
| 28 | John Nicholson | 50 | Head | Telegrapher | Michigan |
| 29 | Mae Nicholson | 52 | Wife | — | California |
| 30 | Marjorie Nicholson | 18 | Daughter | — | California |
| 31 | Kathryn Whelan | 57 | Head | Seamstress | California |
| 32 | Francis G. Sullivan | 60 | Head | Salesman | California |
| 33 | Alice J. Sullivan | 54 | Wife | — | California |
| 34 | Alice M. Sullivan THIS PERSON | 27 | Daughter | Stenographer | California |
| 35 | Elodie K. Sullivan | 22 | Daughter | Reg. Nurse | California |
| 36 | Dorothea L. Sullivan | 21 | Daughter | Stenographer | California |
| 37 | Mercedes L. Sullivan | 19 | Daughter | Clerk | California |
| 38 | Fern P. Sullivan | 18 | Daughter | — | California |
| 39 | Alex J. Renne | 31 | Head | Fireman | California |
| 40 | Mary E. Renne | 29 | Wife | — | New York |
Pedigree Summary
Alice + 4 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 1940 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)