DA
David Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Yolo-County, California
Our Model Tree links this David Adams across the 1910, 1920, 1930 and 1940 US Censuses in Yolo-County, California (XGBoost, ~Confirmed), with identified parents David & Dona — first a head (b.~1907), then head of a 6-person household.
Age 33
b. ~1907
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Yolo-County, California |
| Surname | Adams |
| Given Name | David S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Woodland |
| 1935 Residence (County) | Yolo |
| Additional Details | |
| Occupation | Grain Merchant |
| Industry | Own Grain Comp |
| Class of Worker | E |
| Hours Worked | 70 |
| Income (1939) | 5000 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Grain Merchant |
| Township / Ward | Woodland |
| Est. Birth Year | ~1907 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| David Adams | Head | — | 33 | ~1907 |
| Elizabeth Adams | Daughter | — | 3 | ~1937 |
| Marietta Adams | Spouse | — | 33 | ~1907 |
| Misaye Sakagawa | Other | — | 25 | ~1915 |
| Nancy Adams | Daughter | — | 8 | ~1932 |
| William Adams | Son | — | 4 | ~1936 |
Census Appearances
1910
Yolo, California
Other, age 3
Yolo, California · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | David S. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Yolo, California
Son, age 13
Yolo, California · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | David S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Yolo, California
Son, age 22
Yolo, California · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | David Q. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Broker |
| Industry | Grain |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Yolo-County, California
Head, age 33
Yolo-County, California · implied b. ~1907 — 6 household members
| Surname | Adams |
| Given Name | David S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Woodland |
| 1935 Residence (County) | Yolo |
| Occupation | Grain Merchant |
| Industry | Own Grain Comp |
| Class of Worker | E |
| Hours Worked | 70 |
| Income (1939) | 5000 |
| Highest Grade | C 4 |
| 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 David Adams across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Adams (~0.92 confidence) and mother Dona Adams (~0.92 confidence) and mother Sadie Adams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Adams
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Dona Adams
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Sadie Adams
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Adams
Head · 1940 · age 33 · b. ~1907 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Yolo-County, California
Open full size
1940 US Federal Census — Yolo-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00366-00685)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David S. Adams THIS PERSON | 33 | Head | Grain Merchant | California |
| 2 | Marietta Adams | 33 | Wife | — | California |
| 3 | Nancy Adams | 8 | Daughter | — | California |
| 4 | William Adams | 4 | Son | — | California |
| 5 | Elizabeth Adams | 3 | Daughter | — | California |
| 6 | Misaye Sakagawa | 25 | Servant | Mother'S Aide | California |
| 7 | George H. Farish | 66 | Head | Farmer | California |
| 8 | May Farish | 63 | Wife | — | Nebraska |
| 9 | Elsie Wright | 40 | Roomer | Secretary | Ohio |
| 10 | Beryl Hance | 44 | Roomer | Teacher | Kansas |
| 11 | Jack Alves | 43 | Head | Livestock Dealer | California |
| 12 | Irene Alves | 36 | Wife | — | Colorado |
| 13 | Jeanne Alves | 15 | Daughter | — | California |
| 14 | Max Alves | 14 | Son | — | California |
| 15 | Chester C. Mcdonald | 53 | Head | Attorney | California |
| 16 | Hazel Mcdonald | 57 | Wife | — | California |
| 17 | Douglas Mcdonald | 21 | Son | — | California |
| 18 | Oscar C. Railsback | 40 | Head | Doctor - Medical | California |
| 19 | Elizabeth Railsback | 31 | Wife | — | California |
| 20 | Sally Railsback | 8 | Daughter | — | California |
| 21 | Sandra Railsback | 5 | Daughter | — | California |
| 22 | Elizabeth Lopes | 24 | Servant | Housekeeper | California |
| 23 | Alma V. Cranston | 77 | Head | — | Michigan |
| 24 | Katherine Mills | 58 | Housekeeper | Housekeeper | California |
| 25 | Gotthilf O. Schlepp | 30 | Head | Truck Driver | South Dakota |
| 26 | Esther Schlepp | 27 | Wife | Housekeeper | South Dakota |
| 27 | Leroy Schlepp | 8 | Son | — | South Dakota |
| 28 | Janice Schlepp | 4 | Daughter | — | South Dakota |
| 29 | Margie Lou Schlepp | 0 | Daughter | — | California |
| 30 | Hazel Scarlett | 46 | Head | Housekeeper | California |
| 31 | Mary Ann Ott | 62 | Lodger | Housekeeper | California |
| 32 | Carol Boyd | 38 | Lodger | Teacher | Montana |
| 33 | Sylvester Bonavia | 36 | Lodger | Bartender | California |
| 34 | Phyllis Scarlett | 22 | Daughter | — | California |
| 35 | Benjamin E. Herling | 60 | Head | — | California |
| 36 | Minnie P. Herling | 60 | Wife | — | California |
| 37 | Ralph E. Thaxton | 30 | Head | Druggist | Colorado |
| 38 | Eleanor Thaxton | 25 | Wife | — | California |
| 39 | Edwin Thaxton | 1 | Son | — | California |
| 40 | Roy E. Cole | 54 | Head | Treasurer | Oregon |
Related Census Records
Pedigree Summary
David
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)