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Frank Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Frank Martin across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Peter & Davida — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Martin |
| Given Name | Frank L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Vashon & Burton |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Pressman |
| Industry | Reduction Plant |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Pressman |
| Township / Ward | Vashon Burton |
| Est. Birth Year | ~1919 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Peter Martin | Head | — | 63 | ~1877 |
| Robert Martin | Son | — | 25 | ~1915 |
| Frank Martin | Son | — | 21 | ~1919 |
| Elton Martin | Son | — | 27 | ~1913 |
| Davida Martin | Spouse | — | 57 | ~1883 |
Census Appearances
1920
King, Washington
Son, age
King, Washington · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Mother Tongue | Norwegian |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 11
King, Washington · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Age at First Marriage | 11 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 21
King-County, Washington · implied b. ~1919 — 5 household members
| Surname | Martin |
| Given Name | Frank L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Vashon & Burton |
| 1935 Residence (County) | King |
| Occupation | Pressman |
| Industry | Reduction Plant |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 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 Frank Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Martin (~0.92 confidence) and mother Davida Martin (~0.92 confidence) and mother Davida Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Martin
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Davida Martin
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Davida Martin
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Martin
Son · 1940 · age 21 · b. ~1919 · Washington
★ You are viewing this record
Sibling
Elton Martin
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Martin
Sibling · 1940 · age 25
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
40 people indexed on this census page (nara:1940:m-t0627-04344-00051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Conrad A. Amundsen | 56 | Head | Fisherman | Norway |
| 2 | Dana Amundsen | 49 | Wife | Housewife | Norway |
| 3 | Paul D. Amundsen | 16 | Son | Student | Washington |
| 4 | Beatrice Amundsen | 11 | Daughter | Student | Washington |
| 5 | Leo Yates | 65 | Head | Salesman | New York |
| 6 | Beatrice Yates | 65 | Wife | Housewife | England |
| 7 | Ida Nass | 55 | Head | Housewife | Norway |
| 8 | Henry Nass | 21 | Son | Eng. Marine | Washington |
| 9 | Peter Ab Martin | 63 | Head | Fisherman | Norway |
| 10 | Davida Martin | 57 | Wife | Housewife | Norway |
| 11 | Elton Martin | 27 | Son | Deck Hand | Washington |
| 12 | Robert Martin | 25 | Son | Pressman | Washington |
| 13 | Frank L. Martin THIS PERSON | 21 | Son | Pressman | Washington |
| 14 | John Clovis | 50 | Head | Farmer | Austria |
| 15 | Joe Clovis | 32 | Brother | Farmer | Austria |
| 16 | John M. Kranjevich | 49 | Head | Farmer | Jugoslavia |
| 17 | Iva Kranjevich | 35 | Wife | Housewife | Jugoslavia |
| 18 | Thomas Kranjevich | 9 | Son | Student | Washington |
| 19 | Milton Kranjevich | 8 | Son | Student | Washington |
| 20 | Helen Kranjevich | 7 | Daughter | Student | Washington |
| 21 | Johnny Kranjevich | 5 | Son | Child | Washington |
| 22 | Tony Roncevich | 47 | Head | Farming | Jugoslavia |
| 23 | Mary Roncevich | 44 | Wife | Housewife | Jugoslavia |
| 24 | Goldie Roncevich | 15 | Daughter | Housewife | Washington |
| 25 | Johnny Roncevich | 13 | Son | — | Washington |
| 26 | Olga Roncevich | 11 | Daughter | — | Washington |
| 27 | Kathryn Roncevich | 8 | Daughter | — | Washington |
| 28 | Maryann Roncevich | 2 | Daughter | — | Washington |
| 29 | Bertha Keen | 64 | Head | Finisher | Illinois |
| 30 | Mandus Bogunovich | 48 | Head | Farmerette | Jugoslavia |
| 31 | Jennie Bogunovich | 19 | Daughter | Bookkeeper | Washington |
| 32 | Mary Bogunovich | 18 | Daughter | Student | Washington |
| 33 | Ada Greer | 56 | Head | Poultry | Washington |
| 34 | Theodore Berry | 49 | Head | Postmaster | Austria |
| 35 | Rosie Berry | 42 | Wife | Housewife | Washington |
| 36 | Mary Berry | 26 | Daughter | Housewife | Washington |
| 37 | Conrad Danielson | 58 | Head | Fisherman | Norway |
| 38 | Karen Danielson | 79 | Mother | Housekeeper | Norway |
| 39 | Claus Peterson | 79 | Head | Farmer | Denmark |
| 40 | Christina Peterson | 73 | Wife | Housewife | Denmark |
Related Census Records
Pedigree Summary
Frank + 2 siblings
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)