JB
James Black — 1940 US Census Record
Model Tree available1940 United States Federal Census · Spokane-County, Washington
Our Model Tree links this James Black across the 1920, 1930 and 1940 US Censuses in Spokane-County, Washington (XGBoost, ~Confirmed), with identified parents James & J — first a son (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Spokane-County, Washington |
| Surname | Black |
| Given Name | James J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Spokane City |
| 1935 Residence (County) | Spokane |
| Additional Details | |
| Occupation | Collector |
| Industry | Truck Sales |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2526 |
| Highest Grade | C 7 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Collector |
| Township / Ward | Spokane City |
| Est. Birth Year | ~1910 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Marcia Black | Daughter | — | 26 | ~1914 |
| Doris Black | Daughter | — | 34 | ~1906 |
| James Black | Head | — | 70 | ~1870 |
| James Black | Son | — | 30 | ~1910 |
| Emma Black | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Spokane, Washington
Son, age 10
Spokane, Washington · implied b. ~1910 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | James F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Canada |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Spokane, Washington
Son, age 20
Spokane, Washington · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | James T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Canada |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Spokane-County, Washington
Son, age 30
Spokane-County, Washington · implied b. ~1910 — 5 household members
| Surname | Black |
| Given Name | James J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Spokane City |
| 1935 Residence (County) | Spokane |
| Occupation | Collector |
| Industry | Truck Sales |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2526 |
| Highest Grade | C 7 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Black across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Black (~0.92 confidence) and father J Black (~0.92 confidence) and mother Emma Black (~0.92 confidence) and mother Doris Black (~0.92 confidence) and mother Emma Black (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Black
b. ~1870
Source father
● Household
· direct · ~0.92
Father
J Black
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Emma Black
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Doris Black
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Emma Black
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Black
Son · 1940 · age 30 · b. ~1910 · Washington
★ You are viewing this record
Sibling
Doris Black
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcia Black
Sibling · 1940 · age 26
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 — Spokane-County, Washington
Open full size
1940 US Federal Census — Spokane-County, Washington
Page Contents
28 people indexed on this census page (nara:1940:m-t0627-04387-00748)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jean Martina | 22 | Wife | — | Washington |
| 42 | Howard Keim | 30 | Head | Electrician | Washington |
| 43 | Elda Keim | 36 | Wife | — | Minnesota |
| 44 | Frank P. Fraley | 50 | Head | Inspector | Canada |
| 45 | Veneta G. Fraley | 48 | Wife | — | California |
| 46 | Walter D. Swinehart | 32 | Head | Bookkeeper | Kansas |
| 47 | Audry Swinehart | 29 | Wife | — | Idaho |
| 48 | Doris Swinehart | 5 | Son | — | Washington |
| 49 | John Swinehart | 2 | Son | — | Washington |
| 50 | Wilma Verdurin | 50 | Head | — | Wisconsin |
| 51 | Robert Rigby | 62 | Head | Instructor | Pennsylvania |
| 52 | Stella D. Rigby | 58 | Wife | — | Illinois |
| 54 | James E. Black | 70 | Head | Copywright | Maine |
| 55 | Emma F. Black | 64 | Wife | — | Minnesota |
| 56 | James J. Black THIS PERSON | 30 | Son | Collector | Minnesota |
| 57 | Doris Dawn Black | 34 | Daughter | Dietitian | Minnesota |
| 58 | Marcia Black | 26 | Daughter | Stenographer | Minnesota |
| 59 | Donald H. Irving | 34 | Head | Office Manager | Minnesota |
| 60 | Zillhia A. Irving | 24 | Wife | — | Washington |
| 61 | Robert Namaka | 36 | Head | Bookkeeper | Pennsylvania |
| 62 | Ruth Namaka | 32 | Wife | — | Washington |
| 63 | Patricia Namaka | 13 | Daughter | — | Washington |
| 64 | Sallyann Namaka | 8 | Daughter | — | Washington |
| 65 | Sue Namaka | 1 | Daughter | — | Washington |
| 66 | Laura M. Starkey | 56 | Head | — | Washington |
| 67 | Edward R. Miller | 72 | Head | Flagman | Illinois |
| 68 | Emma Miller | 68 | Wife | — | Nebraska |
| 69 | Albert B. Miller | 48 | Son | — | Nebraska |
Pedigree Summary
James + 2 siblings
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)