BC
Bertha Clark — 1930 US Census Record
Linked across censuses1930 United States Federal Census · King, Washington
Our Model Tree links this Bertha Clark across the 1920, 1930 and 1940 US Censuses in King, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 4-person household.
Age 46
b. ~1884
Female
Spouse
Born: Indiana
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | King, Washington |
| Surname | Clark |
| Given Name | Bertha E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 19 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Operator |
| Industry | Power Machine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Operator |
| Township / Ward | Seattle City Part |
| Est. Birth Year | ~1884 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Thomas Clark | Head | — | 55 | ~1875 |
| W Clark | Son | — | 18 | ~1912 |
| Bertha Clark | Spouse | — | 46 | ~1884 |
| Alice Clark | Daughter | — | 19 | ~1911 |
Census Appearances
1920
King, Washington
Spouse, age 35
King, Washington · implied b. ~1885 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Bertha |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Operator |
| Industry | machine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
King, Washington
Spouse, age 46
King, Washington · implied b. ~1884 — 4 household members
| Surname | Clark |
| Given Name | Bertha E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 19 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Operator |
| Industry | Power Machine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
King-County, Washington
Spouse, age 56
King-County, Washington · implied b. ~1884 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarke |
| Given Name | Bertha E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Power machine operator |
| Industry | Clothing factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Bertha Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha Clark
Spouse · 1930 · age 46 · b. ~1884 · Washington
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — King, Washington
Open full size
1930 US Federal Census — King, Washington
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2494unit:0296)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alex J. Chisholm | 27 | Head | Charger | Scotland |
| 2 | Fred G. Fisher | 51 | Head | Salesman | Wisconsin |
| 3 | Edna L. Short | 35 | Head | Saleslady | Washington |
| 4 | Hazel J. Short | 14 | Daughter | — | Washington |
| 5 | Richard B. Short | 12 | Son | — | Washington |
| 6 | Percy T. Turner | 40 | Boarder | — | Missouri |
| 7 | Earnest G. Sawyer | 28 | Head | Retail Merchant | Iowa |
| 8 | Hattie G. Sawyer | 28 | Wife | Draughtsman | Washington |
| 9 | Joan B. Sawyer | 3 | Daughter | — | Washington |
| 10 | Thomas H. Clark | 55 | Head | Carpenter | Indiana |
| 11 | Bertha E. Clark THIS PERSON | 46 | Wife | Operator | Indiana |
| 12 | Alice R. Clark | 19 | Daughter | Nurse | Canada English |
| 13 | W. David L. Clark | 18 | Son | Salesman | Washington |
| 14 | Fred Van Der Abrammer | 73 | Head | — | Wisconsin |
| 15 | Alice P. Van Der Abrammer | 64 | Wife | — | Iowa |
| 16 | Fred Euser | 32 | Head | Foreman | Oregon |
| 17 | Catherine Euser | 29 | Wife | — | Oregon |
| 18 | James F. Euser | 9 | Son | — | Oregon |
| 19 | Chester M. Archer | 38 | Head | Laborer | Kansas |
| 20 | Birdie L. Archer | 32 | Wife | — | Colorado |
| 21 | Jessie M. Archer | 13 | Daughter | — | Montana |
| 22 | Hattie Fisher | 65 | Head | — | Wisconsin |
| 23 | Carl Stalky | 27 | Head | Electrician | Carolina N. |
| 24 | Della H. Stalky | 26 | Wife | — | Indiana |
| 25 | Jake Hirkor | 61 | Head | Laborer | Russia |
| 26 | Marie Hirkor | 43 | Wife | — | Russia |
| 27 | Edward Hirkor | 27 | Son | Laborer | Washington |
| 28 | Clarence E. Bramble | 60 | Head | Laborer | South Dakota |
| 29 | Mary S. Mcdonald | 46 | Housekeeper | — | Kansas |
| 30 | Charles D. Sperry | 68 | Head | Saw Filer | Minnesota |
| 31 | Laura Sperry | 65 | Wife | — | Norway |
| 32 | Roy A. Sperry | 33 | Son | Pile Driver | Washington |
| 33 | Stanley H. Sperry | 29 | Son | Machinist | Washington |
| 34 | Frank Kozinski | 58 | Boarder | Helper | Poland |
| 35 | Arne Peterson | 23 | Head | Baker | Washington |
| 36 | Violet Peterson | 20 | Wife | — | Washington |
| 37 | Alvin A. Peterson | 1 | Son | — | Washington |
| 38 | Carrick Bradovich | 70 | Head | — | Iowa |
| 39 | Catherine A. Bradovich | 18 | Daughter | — | California |
| 40 | Hurley Campbell | 48 | Roomer | Laborer | Indiana |
| 41 | Philip A. Johnson | 40 | Roomer | Carpenter | Sweden |
| 42 | Stanley Miller | 32 | Head | Laborer | England |
| 43 | Janet Miller | 29 | Wife | Waitress | England |
| 44 | Gwendoline A. Miller | 7 | Daughter | — | England |
| 45 | Peter J. Schuergers | 36 | Head | Janitor | Germany |
| 46 | Elsie M. Schuergers | 29 | Wife | — | Washington |
| 47 | Scholan Rudolph J. Schuergers | 4 | Son | — | Washington |
| 48 | Cal A. Underwood | 53 | Head | Truck Driver | Illinois |
| 49 | Lillie Underwood | 47 | Wife | — | Michigan |
| 50 | Jack Fisher | 68 | Head | Engineer | Wisconsin |
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)