MS
Marvin Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Marvin Smith across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Smith |
| Given Name | Marvin P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Additional Details | |
| Hours Worked | 10 |
| Income (1939) | 430 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1917 |
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 Marvin | Age | Birth yr |
|---|---|---|---|---|
| Fred Smith | Head | — | 61 | ~1879 |
| Corinne Smith | Daughter | — | 15 | ~1925 |
| Bertha Smith | Spouse | — | 54 | ~1886 |
| Rose Kruger | Other | — | 92 | ~1848 |
| Marvin Smith | Son | — | 23 | ~1917 |
Census Appearances
1920
King, Washington
Son, age 3
King, Washington · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Marvin A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Iowa |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 13
King, Washington · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Marvin A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 23
King-County, Washington · implied b. ~1917 — 5 household members
| Surname | Smith |
| Given Name | Marvin P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Hours Worked | 10 |
| Income (1939) | 430 |
| Highest Grade | C-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 Marvin Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Smith (~0.92 confidence) and father Fred Smith (~0.92 confidence) and father Fredrick Smith (~0.92 confidence) and mother Bertha Smith (~0.92 confidence) and mother Bertha Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Smith
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Fred Smith
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Fredrick Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Bertha Smith
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Bertha Smith
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Marvin Smith
Son · 1940 · age 23 · b. ~1917 · Washington
★ You are viewing this record
Sibling
Corinne Smith
Sibling · 1940 · age 15
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-t0627-04376-00912)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jacqueline Redeker | 40 | Head | Realtor | South Dakota |
| 2 | Charles C. Redeker | 20 | Son | Desk Worker | Illinois |
| 3 | Merryjayne Redeker | 18 | Daughter | Dancing Instructor | South Dakota |
| 4 | Betty-Lou Redeker | 16 | Daughter | — | Illinois |
| 5 | Dawn J. Redeker | 8 | Daughter | — | South Dakota |
| 6 | Quinn R. Redeker | 3 | Son | — | Illinois |
| 7 | Calie J. Lovegren | 59 | Mother | — | Iowa |
| 8 | Francis Dunning | 21 | Lodger | Real Estate Agent | Washington |
| 9 | Fred P. Smith | 61 | Head | Electrician | Minnesota |
| 10 | Bertha Smith | 54 | Wife | — | Iowa |
| 11 | Marvin P. Smith THIS PERSON | 23 | Son | — | Washington |
| 12 | Corinne H. Smith | 15 | Daughter | — | Washington |
| 13 | Rose Kruger | 92 | Mother | — | Luxembourg |
| 14 | George G. Nunes | 41 | Head | Boat Carpenter | Washington |
| 15 | Agnes E. Nunes | 30 | Wife | — | Washington |
| 16 | John J. Becker | 41 | Head | Truck Driver | Minnesota |
| 17 | Eugenie M. Becker | 37 | Wife | — | Minnesota |
| 18 | John P. Becker | 8 | Son | — | Washington |
| 19 | Clyde L. Becker | 5 | Son | — | Washington |
| 20 | William H. House | 26 | Head | Street Car Operator | Washington |
| 21 | Muriel M. House | 25 | Wife | — | Washington |
| 22 | Jerry P. House | 1 | Son | — | Washington |
| 23 | Katherine M. Winkler | 72 | Head | — | Missouri |
| 24 | Lola Hefner | 44 | Daughter | — | Washington |
| 25 | Charles W. Latta | 50 | Head | Proprietor & Machinist | Indiana |
| 26 | Sophie Latta | 41 | Wife | — | Connecticut |
| 27 | Marjorie Latta | 15 | Daughter | — | Washington |
| 28 | Charles W. Jr. Latta | 13 | Son | — | Washington |
| 29 | Carol R. Latta | 10 | Daughter | — | Washington |
| 30 | Virginia C. Latta | 5 | Daughter | — | Washington |
| 31 | John T. Rensted | 68 | Head | — | Norway |
| 32 | Emma G. Rensted | 62 | Wife | — | Wisconsin |
| 33 | Robert M. Rensted | 23 | Son | Field Assistant | Washington |
| 34 | Mary A. Fisher | 74 | Lodger | — | New Jersey |
| 35 | Augusta Dahl | 74 | Lodger | — | Sweden |
| 36 | Eva Bentley | 74 | Lodger | — | Iowa |
| 37 | Charlotte Richmond | 50 | Head | Gas Appliance Sales | Kansas |
| 38 | Laura D. Richmond | 49 | Wife | — | Wisconsin |
| 39 | Robert C. Richmond | 17 | Son | Interior Display | Oregon |
| 40 | Anna E. Gibbs | 61 | Head | Barber | Kansas |
Pedigree Summary
Marvin + 1 sibling
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)