JM
James Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this James Martin across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents John & Anna — first a son (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Martin |
| Given Name | James P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Furniture Worker |
| Industry | Junior Line Furniture Co |
| Class of Worker | PW |
| Income (1939) | 726 |
| Highest Grade | Hs 4-19 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Furniture Worker |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Anna Martin | Head | — | 64 | ~1876 |
| Jack Martin | Son | — | 31 | ~1909 |
| James Martin | Son | — | 29 | ~1911 |
Census Appearances
1920
King, Washington
Son, age 9
King, Washington · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Newsboy |
| Industry | Street |
| Class of Worker | OA |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 19
King, Washington · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Sander |
| Industry | Furniture Mfg |
| Class of Worker | 7742 |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 29
King-County, Washington · implied b. ~1911 — 3 household members
| Surname | Martin |
| Given Name | James P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Furniture Worker |
| Industry | Junior Line Furniture Co |
| Class of Worker | PW |
| Income (1939) | 726 |
| Highest Grade | Hs 4-19 |
| 1935 Residence | Same place |
| 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 James Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Martin (~0.92 confidence) and mother Anna Martin (~0.92 confidence) and mother Anna Martin (~0.92 confidence) and mother Annie Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Martin
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Anna Martin
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Anna Martin
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Annie Martin
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Martin
Son · 1940 · age 29 · b. ~1911 · Washington
★ You are viewing this record
Sibling
Jack Martin
Sibling · 1940 · age 31
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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04374-00636)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert C. Fritsche | 15 | Son | — | Washington |
| 2 | Dorothy L. Uhrich | 2 | Daughter | — | Washington |
| 3 | Earnest S. Major | 54 | Head | Carpenter | Germany |
| 4 | Earnestine S. Major | 64 | Wife | — | French |
| 5 | Romeo Major | 26 | Son | Veneer Grader | Canada |
| 6 | Juliette Major | 21 | Daughter | — | Canada |
| 7 | Annette Major | 12 | Daughter | — | Washington |
| 8 | Morris F. Long | 28 | Head | Grocery | North Dakota |
| 9 | Esther E. Long | 29 | Wife | — | Minnesota |
| 10 | Beverly Long | 13 | Daughter | — | Minnesota |
| 11 | John H. Anderson | 57 | Head | Longshoreman | Finland |
| 12 | Irene Anderson | 52 | Wife | — | Finland |
| 13 | Elmer F. Anderson | 25 | Son | Longshoreman | Washington |
| 14 | Bernard Anderson | 24 | Son | Office Clerk | Washington |
| 15 | A. R. Frederickson | 50 | Brother in Law | Longshoreman | Finland |
| 16 | William S. Denning | 69 | Head | — | Oregon |
| 17 | Margaret Denning | 67 | Wife | — | Germany |
| 18 | John A. Ostberg | 67 | Head | Grocery Clerk | Iowa |
| 19 | Arilinda M. Ostberg | 67 | Wife | — | Kansas |
| 20 | Ethel M. Wasner | 58 | Head | Housekeeper | Missouri |
| 21 | Charles A. Wasner | 20 | Son | — | Washington |
| 22 | Harry G. Lloyd | 66 | Head | — | Utah |
| 23 | Lorin Lloyd | 20 | Son | Painter Apprentice | Montana |
| 24 | Anna Martin | 64 | Head | Waitress | New York |
| 25 | Jack A. Martin | 31 | Son | Operator | Washington |
| 26 | James P. Martin THIS PERSON | 29 | Son | Furniture Worker | Washington |
| 27 | George L. Jenter | 65 | Head | Common Laborer | Wisconsin |
| 28 | Anna M. Jenter | 60 | Wife | — | Colorado |
| 29 | Leona R. Carr | 35 | Daughter | — | Washington |
| 30 | Naomi R. Carr | 16 | Step Grand Daughter | — | Washington |
| 31 | Irene M. Carr | 15 | Step Grand Daughter | — | Washington |
| 32 | Stella F. Koyo | 50 | Head | Private Secretary | California |
| 33 | Evalyn Koyo | 52 | Sister | — | California |
| 34 | Abner G. Plowman | 62 | Head | Veneer Dryer | Iowa |
| 35 | Edna Plowman | 56 | Wife | — | Oregon |
| 36 | Glade V. Brown | 27 | Head | Plywood Worker | Iowa |
| 37 | Adrienne B. Brown | 25 | Wife | Billing Machine Operator | Oklahoma |
| 38 | Arlett E. Hogan | 20 | Head | Cashier | Washington |
Pedigree Summary
James + 1 sibling
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)