FB
Floyd Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Floyd Brown across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Fred & Frederick — first a head (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Brown |
| Given Name | Floyd |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Clerk |
| Industry | Department of Interior |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Clerk |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1909 |
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 Floyd | Age | Birth yr |
|---|---|---|---|---|
| Robert Brown | Son | — | 1 | ~1939 |
| George Schmalz | Other | — | 68 | ~1872 |
| Frances Brown | Spouse | — | 22 | ~1918 |
| Floyd Brown | Head | — | 31 | ~1909 |
| Aladaria Schmalz | Other | — | 64 | ~1876 |
Census Appearances
1920
King, Washington
Son, age 11
King, Washington · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Floyd |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
King, Washington
Son, age 21
King, Washington · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Floyd F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
King-County, Washington
Head, age 31
King-County, Washington · implied b. ~1909 — 5 household members
| Surname | Brown |
| Given Name | Floyd |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Clerk |
| Industry | Department of Interior |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Floyd Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Brown (~0.92 confidence) and father Frederick Brown (~0.92 confidence) and mother Tillie Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Brown
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Frederick Brown
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Tillie Brown
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Floyd Brown
Head · 1940 · age 31 · b. ~1909 · 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
35 people indexed on this census page (nara:1940:m-t0627-04376-00667)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Landon | 58 | Head | Salesman | Nebraska |
| 42 | Vera W. Landon | 51 | Wife | — | Nebraska |
| 44 | Flora M. Walker | 72 | Head | — | Pennsylvania |
| 45 | Wayne A. Ramage | 58 | Boarder | — | Pennsylvania |
| 46 | Edith Ramage | 56 | Daughter | — | Pennsylvania |
| 48 | William Flint | 33 | Head | Executive | Washington |
| 49 | Joyce A. Flint | 28 | Wife | — | Washington |
| 50 | Carolyn Flint | 3 | Daughter | — | Washington |
| 51 | Harder Allan | 45 | Head | Candy Maker | New York |
| 52 | Zatley R. Allan | 43 | Wife | Clerk | Wisconsin |
| 53 | Zatley Allan | 18 | Daughter | — | Washington |
| 54 | Nancy Allan | 15 | Daughter | — | Washington |
| 55 | George A. Lohner | 60 | Head | Contractor | Ohio |
| 56 | Gertrude A. Lohner | 55 | Wife | — | Mass. |
| 57 | Jack R. Lohner | 21 | Son | Assistant Manager | Washington |
| 58 | Ray Taylor | 26 | Head | Waiter | Wash. |
| 59 | Dale Plumb | 22 | Lodger | Blue Print | Washington |
| 61 | Gustaf B. Bergman | 77 | Head | — | Sweden |
| 62 | Gerda Bergman | 75 | Wife | — | Sweden |
| 63 | Albertine D. Boyle | 52 | Head | — | Washington |
| 64 | Patricia Boyle | 12 | Daughter | — | Washington |
| 65 | Floyd Brown THIS PERSON | 31 | Head | Clerk | Wisconsin |
| 66 | Frances A. Brown | 22 | Wife | — | Canada English |
| 67 | Robert B. Brown | 1 | Son | — | Washington |
| 68 | George Schmalz | 68 | Father-in-law | — | Russia |
| 69 | Aladaria Schmalz | 64 | Mother-in-law | — | Russia |
| 70 | George W. Guenther | 61 | Head | Salesman | Iowa |
| 71 | Cora M. Guenther | 58 | Wife | — | Pennsylvania |
| 73 | Charles Switzler | 33 | Head | Barber | Washington |
| 74 | Evelyn R. Switzler | 31 | Wife | Waitress | Oregon |
| 75 | Helen A. Lindell | 40 | Head | Stenographer | Ohio |
| 76 | Flora A. Potts | 46 | Head | Stenographer | Minnesota |
| 77 | Marlyn Potts | 14 | Daughter | — | Washington |
| 78 | Veronica Nichols | 41 | Sister | Stenographer | Minnesota |
| 80 | Harold Boyle | 35 | Head | Bridge Carpenter | Colorado |
Pedigree Summary
Floyd
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)