DR
Dorothy Roberts — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pierce-County, Washington
Our Model Tree links this Dorothy Roberts across the 1920, 1930 and 1940 US Censuses in Pierce-County, Washington (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pierce-County, Washington |
| Surname | Roberts |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Tacoma |
| 1935 Residence (County) | Pierce |
| Additional Details | |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 551 |
| Highest Grade | Hs 4 |
| 1935 Residence | Wash. |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Operator |
| Township / Ward | Custer Precinct |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Frank Roberts | Head | — | 70 | ~1870 |
| Frank Roberts | Son | — | 21 | ~1919 |
| Lucina Roberts | Daughter | — | 30 | ~1910 |
| Dorothy Roberts | Daughter | — | 23 | ~1917 |
| Mable Roberts | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Pierce, Washington
Daughter, age 3
Pierce, Washington · implied b. ~1917 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Dorothy L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Pierce, Washington
Daughter, age 13
Pierce, Washington · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Dorothy A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Pierce-County, Washington
Daughter, age 23
Pierce-County, Washington · implied b. ~1917 — 5 household members
| Surname | Roberts |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Tacoma |
| 1935 Residence (County) | Pierce |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 551 |
| Highest Grade | Hs 4 |
| 1935 Residence | Wash. |
| 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 Roberts across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Roberts (~0.92 confidence) and father Frank Roberts (~0.92 confidence) and mother Mable Roberts (~0.92 confidence) and mother Mabel Roberts (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Roberts
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Frank Roberts
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mable Roberts
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mabel Roberts
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Roberts
Daughter · 1940 · age 23 · b. ~1917 · Washington
★ You are viewing this record
Sibling
Lucina Roberts
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Roberts
Sibling · 1940 · age 21
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 — Pierce-County, Washington
Open full size
1940 US Federal Census — Pierce-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04355-00251)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Laurence Kelly | 37 | Head | Owner | Washington |
| 2 | Helen Kelly | 35 | Wife | — | Canada |
| 3 | Leah Kelly | 17 | daughter | — | Washington |
| 4 | Laura Lee Kelly | 14 | daughter | — | Washington |
| 5 | William Phillips | 40 | Head | Fish Hatchery | Oregon |
| 6 | Ruth Phillips | 39 | Wife | — | Washington |
| 7 | Wendal Phillips | 16 | Son | — | Washington |
| 8 | Gerald Phillips | 14 | Son | — | Washington |
| 9 | Gene Phillips | 13 | Son | — | Washington |
| 10 | Kenneth Phillips | 11 | Son | — | Washington |
| 11 | Frank Roberts | 70 | Head | Carpenter | Iowa |
| 12 | Mable Roberts | 60 | Wife | — | Iowa |
| 13 | Lucina Roberts | 30 | daughter | Accountant | Washington |
| 14 | Dorothy Roberts THIS PERSON | 23 | daughter | Operator | Washington |
| 15 | Frank J. Roberts | 21 | Son | Carpenter | Washington |
| 16 | Robert Wooten | 25 | Head | Carpenter | Washington |
| 17 | Rosemary Wooten | 25 | Wife | — | Washington |
| 18 | Richard Anderson | 5 | Son | — | Washington |
| 19 | Yvonne Anderson | 13 | daughter | — | Washington |
| 20 | Barbara Anderson | 11 | daughter | — | Washington |
| 21 | Saul Torshis | 36 | Lodger | Instructor | Russia |
| 22 | James W. Noble | 39 | Head | Store Off. | Kansas |
| 23 | S. Rae Noble | 39 | Wife | — | Texas |
| 24 | J. William Noble | 15 | Son | — | Washington |
| 25 | Jack T. Noble | 12 | Son | — | Washington |
| 26 | John Ross | 45 | Head | Laborer | Wisconsin |
| 27 | Beulah Ross | 35 | Wife | — | Wisconsin |
| 28 | Dolores Ross | 18 | daughter | — | Minnesota |
| 29 | Eugene Ross | 17 | Son | — | Wisconsin |
| 30 | Leslie Ross | 14 | daughter | — | Oregon |
| 31 | Vernon Le Mon | 39 | Head | Laborer | Wisconsin |
| 32 | Olive Le Mon | 36 | Wife | Student Nurse | Wisconsin |
| 33 | Beverly Le Mon | 16 | daughter | — | Minnesota |
| 34 | Laverne Le Mon | 14 | Son | — | Minnesota |
| 35 | Carl Christensen | 60 | Head | Laborer | Denmark |
| 36 | Charles R. Foster | 57 | Head | Supt Fish Hatch | NY |
| 37 | Clara Foster | 57 | Wife | — | NY |
| 38 | Fred Stauffer | 62 | Head | — | Ohio |
| 39 | Edna Stauffer | 59 | Wife | — | Sweden |
| 40 | Cecil Luce | 32 | Head | Gardner | California |
Related Census Records
Pedigree Summary
Dorothy + 2 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)