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 Wm & Wm — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Martin |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Assistant Cashier |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1980 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Assistant Cashier |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1908 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Martin | Head | — | 32 | ~1908 |
| Clara Merrill | Other | — | 60 | ~1880 |
| James Martin | Son | — | 2 | ~1938 |
| Lucile Martin | Spouse | — | 30 | ~1910 |
Census Appearances
1920
King, Washington
Son, age 11
King, Washington · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | James C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 22
King, Washington · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | James C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Indiana |
| Occupation | Cashier |
| Industry | Meat plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 32
King-County, Washington · implied b. ~1908 — 4 household members
| Surname | Martin |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Occupation | Assistant Cashier |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1980 |
| Highest Grade | Hs 4 |
| 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 Wm Martin (~0.92 confidence) and father Wm Martin (~0.92 confidence) and mother Alice Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Wm Martin
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Wm Martin
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Alice Martin
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Martin
Head · 1940 · age 32 · b. ~1908 · Washington
★ 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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04374-01074)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rosetta Etheridge | 70 | Head | Doctor Of Osteopathy | Indiana |
| 2 | Clara Vantwood | 55 | Housekeeper | — | Indiana |
| 3 | Madge Faucett | 57 | Head | Teacher | Iowa |
| 4 | Claude Barton | 34 | Head | Florist | Texas |
| 5 | Elena Barton | 34 | Wife | — | Washington |
| 6 | Michael Barton | 2 | Son | — | Washington |
| 7 | Oakley H. Loomis | 43 | Head | Teamster | Ohio |
| 8 | Edith K. Loomis | 48 | Wife | — | Minnesota |
| 9 | Marjorie Loomis | 14 | Daughter | — | Washington |
| 10 | Clare Loomis | 9 | Daughter | — | Washington |
| 11 | Jesse C. Ward | 61 | Head | Book Binder | Oregon |
| 12 | Sadie Ward | 55 | Wife | — | North Dakota |
| 13 | Dorothy Ward | 26 | Daughter | Secretary | Washington |
| 14 | Augusta Manning | 63 | Head | — | Wisconsin |
| 15 | George G. Nelson | 52 | Head | Stationary Engineer | Minnesota |
| 16 | Bertha Nelson | 44 | Wife | — | Washington |
| 17 | Andrew Nelson | 19 | Son | — | Washington |
| 18 | James Martin THIS PERSON | 32 | Head | Assistant Cashier | Washington |
| 19 | Lucile Martin | 30 | Wife | — | New Hampshire |
| 20 | James S. Martin | 2 | Son | — | Washington |
| 21 | Clara Merrill | 60 | Mother-in-law | — | Vermont |
| 22 | — | None | — | — | — |
| 23 | Solomon Jensen | 71 | Head | — | Wisconsin |
| 24 | Kerry Jensen | 60 | Wife | — | Norway |
| 25 | Ben Bauer | 27 | Head | Owner | Washington |
| 26 | Kathleen Bauer | 23 | Wife | — | Washington |
| 27 | Dickie Bauer | 3 | Son | — | Washington |
| 28 | John Bauer | 1 | Son | — | Washington |
| 29 | John Wallinger | 29 | Head | Clerk & Driver | England |
| 30 | May Wallinger | 27 | Wife | — | Washington |
| 31 | Albert Wallinger | 2 | Son | — | Washington |
| 32 | Norman Heggen | 27 | Head | Accountant | Canada |
| 33 | Muriel Heggen | 22 | Wife | — | Washington |
| 34 | Royal Hamilton | 80 | Head | — | Illinois |
| 35 | Mary Hamilton | 80 | Wife | — | Wisconsin |
| 36 | Julia Harrell | 69 | Head | — | Illinois |
| 37 | Iver Hindenach | 57 | Head | Joiner | Denmark |
| 38 | Karen Hindenach | 55 | Wife | — | Denmark |
| 39 | Deborah Bemis | 48 | Head | — | Massachusetts |
| 40 | Alpin Bemis | 25 | Son | — | California |
Related Census Records
Pedigree Summary
James
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)