DS
Dorothy Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Dorothy Sullivan across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Thomas & Catherine — first a daughter (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Female
Daughter
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Sullivan |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| Additional Details | |
| Occupation | Assistant Mgr. |
| Industry | Retail Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | H-4 |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Assistant Mgr. |
| Township / Ward | Seattle 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Katherine Sullivan | Head | — | 57 | ~1883 |
| Dorothy Sullivan | Daughter | — | 25 | ~1915 |
| Catherine Sullivan | Daughter | — | 26 | ~1914 |
| Lillian Sullivan | Daughter | — | 23 | ~1917 |
| Julian Sullivan | Son | — | 23 | ~1917 |
Census Appearances
1920
King, Washington
Daughter, age 5
King, Washington · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dorothy Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Canada |
| Mother's Birthplace | Nebraska |
| Can Read | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Daughter, age 15
King, Washington · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | United States |
| Mother's Birthplace | Nebraska |
| Occupation | Teacher |
| Industry | College (Part) |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Daughter, age 25
King-County, Washington · implied b. ~1915 — 5 household members
| Surname | Sullivan |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| Occupation | Assistant Mgr. |
| Industry | Retail Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | H-4 |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Dorothy Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Sullivan (~0.92 confidence) and mother Catherine Sullivan (~0.92 confidence) and mother Katherine Sullivan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Sullivan
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Catherine Sullivan
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Katherine Sullivan
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Sullivan
Daughter · 1940 · age 25 · b. ~1915 · Washington
★ You are viewing this record
Sibling
Julian Sullivan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Sullivan
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Sullivan
Sibling · 1940 · age 23
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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04379-00620)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth Poirier | 35 | Daughter | Saleslady | North Dak |
| 42 | Eva Rose Poirier | 10 | Granddaughter | — | Washington |
| 43 | Ella M. D. Fuller | 60 | Head | — | New York |
| 44 | Anna Mae Larsen | 14 | Granddaughter | — | Washington |
| 45 | Dalma June Larsen | 13 | Granddaughter | — | Washington |
| 46 | Lucy Benberg | 72 | Lodger | Pur. Mch. Oper. | Washington |
| 47 | Arthur Benberg | 12 | Lodger | — | Washington |
| 48 | Norma O. Cumming | 53 | Head | — | Ohio |
| 49 | Fred Cannon | 76 | Lodger | — | California |
| 50 | Estella A. Mcadam | 60 | Head | — | Nebraska |
| 51 | Walter Mcadam | 28 | Son | Logger | Idaho |
| 52 | Fannie O. Roe | 75 | Mother | Housework | New York |
| 53 | Axel T. Johnson | 58 | Head | Foreman | Sweden |
| 54 | Hattie O. Johnson | 52 | Wife | — | Minnesota |
| 55 | Inez Johnson | 26 | Daughter | Lab. Technician | Washington |
| 56 | Alice Johnson | 24 | Daughter | Cutter | Washington |
| 57 | Bernice Johnson | 18 | Daughter | Unitizer | Washington |
| 58 | Calvin Johnson | 13 | Son | — | Washington |
| 59 | Robert W. Lather | 28 | Head | Temp. Service | Washington |
| 60 | Dorothea O. Lather | 26 | Wife | — | Washington |
| 61 | Katherine O. Sullivan | 57 | Head | — | Nebraska |
| 62 | Catherine Sullivan | 26 | Daughter | Bookkeeper | Washington |
| 63 | Dorothy Sullivan THIS PERSON | 25 | Daughter | Assistant Mgr. | Washington |
| 64 | Lillian Sullivan | 23 | Daughter | Cashier | Washington |
| 65 | Julian Sullivan | 23 | Son | Teller | Washington |
| 66 | Marie O. Major | 56 | Head | — | Hungary |
| 67 | Malena Lynch | 86 | Head | — | Illinois |
| 68 | Clara O. Rillion | 60 | Daughter | — | Iowa |
| 69 | Bessie M. Richards | 53 | Head | — | Oregon |
| 70 | Matt Puumala | 50 | Head | Fisherman | Finland |
| 71 | Fannie O. Puumala | 44 | Wife | Maid | Montana |
| 72 | Marie Payne | 24 | Daughter | Housework | Montana |
| 73 | Edward Payne | 4 | Grandson | — | Washington |
| 74 | Shirley Payne | 3 | Granddaughter | — | Washington |
| 75 | Martin Hill | 22 | Lodger | Cook'S Helper | Montana |
| 76 | Julia O. Gieretery | 62 | Head | — | Missouri |
| 77 | Marjorie Gieretery | 22 | Daughter | Fountain Girl | Washington |
| 78 | Richard Gieretery | 7 | Son | — | Washington |
| 79 | Harold T. Moreland | 25 | Head | Sheet Metal Mechanic | Washington |
| 80 | Anne O. Moreland | 23 | Wife | — | North Dakota |
Pedigree Summary
Dorothy + 3 siblings
Gen 1 · 3 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)