TS
Thomas Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Thomas Sullivan across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Andrew & Ambrose — first a son (b.~1916), then head of a 11-person household.
Age 24
b. ~1916
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Sullivan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Additional Details | |
| Occupation | Letter Carrier |
| Industry | U.S. Mails |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 2000 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Letter Carrier |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1916 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| June Sullivan | Daughter | — | 16 | ~1924 |
| Audrey Sullivan | Daughter | — | 22 | ~1918 |
| Patsy Sullivan | Daughter | — | 12 | ~1928 |
| Eileen Sullivan | Daughter | — | 18 | ~1922 |
| Dolores Sullivan | Daughter | — | 13 | ~1927 |
| Betty Sullivan | Daughter | — | 15 | ~1925 |
| Ambrose Sullivan | Head | — | 52 | ~1888 |
| Thomas Sullivan | Son | — | 24 | ~1916 |
| Dick Sullivan | Son | — | 10 | ~1930 |
| Bob Sullivan | Son | — | 20 | ~1920 |
| Rose Sullivan | Spouse | — | 45 | ~1895 |
Census Appearances
1920
San Francisco, …
Son, age 4
San Francisco, California · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Thomas E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 14
San Francisco, California · implied b. ~1916 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 24
San-Francisco-County, California · implied b. ~1916 — 11 household members
| Surname | Sullivan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Occupation | Letter Carrier |
| Industry | U.S. Mails |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 2000 |
| Highest Grade | C 2 |
| 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 Thomas Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Sullivan (~0.92 confidence) and father Ambrose Sullivan (~0.92 confidence) and mother Rose Sullivan (~0.92 confidence) and mother Rose Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Sullivan
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Ambrose Sullivan
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Rose Sullivan
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Rose Sullivan
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Sullivan
Son · 1940 · age 24 · b. ~1916 · California
★ You are viewing this record
Sibling
Patsy Sullivan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Sullivan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey Sullivan
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dick Sullivan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dolores Sullivan
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bob Sullivan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Sullivan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Sullivan
Sibling · 1940 · age 15
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 — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00310-00273)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Antone Kulisich | 71 | Father in law | — | Jugoslavia |
| 2 | Leonora Casper | 60 | Head | — | California |
| 3 | Mabel Kulisich | 32 | Daughter | — | Honolulu |
| 4 | Robert Kulisich | 8 | Grandson | — | California |
| 5 | Mary Segale | 63 | Head | — | Italy |
| 6 | John Segale | 28 | Son | Truck Driver | California |
| 7 | Fred Segale | 26 | Son | — | California |
| 8 | Eugene Segale | 20 | Son | Laborer | California |
| 9 | William Mcshane | 50 | Head | Truck Driver | California |
| 10 | Lena Mcshane | 43 | Wife | — | California |
| 11 | Inez Mcshane | 19 | Daughter | — | California |
| 12 | William Segale | 32 | Head | Chauffeur | California |
| 13 | Mary Segale | 30 | Wife | Cashier | California |
| 14 | Mary Camara | 50 | Head | — | Honolulu |
| 15 | Ambrose Sullivan | 52 | Head | Grain Sampler | California |
| 16 | Rose Sullivan | 45 | Wife | — | California |
| 17 | Thomas Sullivan THIS PERSON | 24 | Son | Letter Carrier | California |
| 18 | Audrey Sullivan | 22 | Daughter | Secretary | California |
| 19 | Bob Sullivan | 20 | Son | — | California |
| 20 | Eileen Sullivan | 18 | Daughter | — | California |
| 21 | June Sullivan | 16 | Daughter | — | California |
| 22 | Betty Sullivan | 15 | Daughter | — | California |
| 23 | Dolores Sullivan | 13 | Daughter | — | California |
| 24 | Patsy Sullivan | 12 | Daughter | — | California |
| 25 | Dick Sullivan | 10 | Son | — | California |
| 26 | Reginald Crowley | 47 | Head | Foreman | California |
| 27 | Margaret Crowley | 45 | Wife | — | Illinois |
| 28 | Allen Crowley | 20 | Daughter | Stenographer | California |
| 29 | Patsy Crowley | 11 | Daughter | — | California |
| 30 | Guido Lauricella | 50 | Head | Salesman | Italy |
| 31 | Anna Lauricella | 43 | Wife | — | New York |
| 32 | Marion Lauricella | 18 | Daughter | — | California |
| 33 | Louis Lauricella | 15 | Son | — | California |
| 34 | Eleanor Lauricella | 9 | Daughter | — | California |
| 35 | Lawrence Dolan | 29 | Head | Motorman | California |
| 36 | Catherine Dolan | 30 | Wife | — | California |
| 37 | Margaret Dolan | 11 | Daughter | — | California |
| 38 | Bernadine Dolan | 6 | Daughter | — | California |
| 39 | Peter Ferage | 37 | Head | Bank Clerk | California |
| 40 | Kathleen Ferage | 33 | Wife | — | California |
Pedigree Summary
Thomas + 8 siblings
Gen 1 · 4 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)