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James King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this James King across the 1910, 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | King |
| Given Name | James B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Berkeley |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | Pool Room manager |
| Industry | Pool Room |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Pool Room Manager |
| Township / Ward | Berkeley |
| Est. Birth Year | ~1900 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James King | Head | — | 70 | ~1870 |
| James King | Son | — | 40 | ~1900 |
| Mary King | Spouse | — | 70 | ~1870 |
Census Appearances
1910
Alameda, California
Son, age 10
Alameda, California · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scot. English |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Alameda, California
Son, age 20
Alameda, California · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | James S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | California |
| Occupation | Boilermaker |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Son, age 30
Alameda, California · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | James B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | California |
| Occupation | Mechanic |
| Industry | Boiler Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Son, age 40
Alameda-County, California · implied b. ~1900 — 3 household members
| Surname | King |
| Given Name | James B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Berkeley |
| 1935 Residence (County) | Alameda |
| Occupation | Pool Room manager |
| Industry | Pool Room |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 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 James King across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James King (~0.92 confidence) and father James King (~0.92 confidence) and mother Mary King (~0.92 confidence) and mother Mary King (~0.92 confidence) and mother Mary King (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James King
b. ~1870
Source father
● Household
· direct · ~0.92
Father
James King
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Mary King
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Mary King
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Mary King
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James King
Son · 1940 · age 40 · b. ~1900 · 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 — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00189-00275)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Hollenback | 74 | Head | — | Illinois |
| 42 | Rose A. Hollenback | 65 | Wife | — | Michigan |
| 43 | James H. Wainwright | 28 | Head | Clerk Shipping | Canada-English |
| 44 | Gladys Wainwright | 25 | Wife | — | Montana |
| 45 | Charles J. Wainwright | 2 | Son | — | California |
| 46 | Patricia Wainwright | 0 | Daughter | — | California |
| 47 | Martin F. Kordick | 26 | Head | Wholesale Salesman | California |
| 48 | Sylvia J. Kordick | 24 | Wife | — | California |
| 49 | Martin A. Kordick | 1 | Son | — | California |
| 50 | Benj N. Bennett | 28 | Head | Mechanic | Kansas |
| 51 | Hazel E. Bennett | 28 | Wife | — | Kansas |
| 52 | Lena P. Ottino | 58 | Head | Housework | Italy |
| 53 | Harry Cerutti | 54 | Brother | Cook | Italy |
| 54 | Frank J. Conterno | 43 | Head | Cook Manager | Argentina |
| 55 | Marie Conterno | 35 | Wife | — | Italy |
| 56 | John Conterno | 17 | Son | — | California |
| 57 | Mary Conterno | 15 | Daughter | — | California |
| 58 | John M. Sanchez | 33 | Head | Printer Assistant | Mexico |
| 59 | Mary T. Sanchez | 24 | Wife | Housework | Nicaragua |
| 60 | James S. King | 70 | Head | Vat Man | Scotland |
| 61 | Mary E. King | 70 | Wife | — | California |
| 62 | James B. King THIS PERSON | 40 | Son | Pool Room Manager | California |
| 63 | William M. Palmer | 26 | Head | Policeman | California |
| 64 | Ruth A. Palmer | 21 | Wife | — | California |
| 65 | Charles Valtorza | 45 | Head | Poultry Man | Italy |
| 66 | Amelia Valtorza | 38 | Wife | Clerk | Italy |
| 67 | Norma V. Valtorza | 20 | Daughter | — | California |
| 68 | Estelle M. Crinnion | 58 | Head | Practical Nurse | California |
| 69 | John E. Corrie | 50 | Head | Wood Machinist | England |
| 70 | Esther Corrie | 49 | Wife | — | England |
| 71 | Marguerite Corrie | 17 | Daughter | Hosiery Mender | Canada-English |
| 72 | Rip Merrick | 32 | Head | Accountant | Wisconsin |
| 73 | Josephine Merrick | 35 | Wife | — | California |
| 74 | Sally D. Merrick | 0 | Daughter | — | California |
| 75 | Mantell C. Yanke | 42 | Head | Machinist | Wisconsin |
| 76 | Ruby Yanke | 37 | Wife | — | Utah |
| 77 | Kathryn M. Steffen | 40 | Head | Public Librarian | California |
| 78 | Marjorie L. Steffen | 15 | Daughter | — | California |
| 79 | — | None | — | — | — |
| 80 | John R. Thompson | 22 | Head | Shipping Clerk | S. Dakota |
Pedigree Summary
James
Gen 1 · 5 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)