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Charles Curtis — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Charles Curtis across the 1910, 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents James & Herbert — first a son (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Male
Son
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Curtis |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same Home |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1898 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Florence Curtis | Spouse | — | 68 | ~1872 |
| Herbert Curtis | Head | — | 73 | ~1867 |
| Charles Curtis | Son | — | 42 | ~1898 |
Census Appearances
1910
King, Washington
Other, age 12
King, Washington · implied b. ~1898 — 17 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | Charles |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1920
King, Washington
Son, age 21
King, Washington · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | Charles E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
King, Washington
Son, age 34
King, Washington · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | Charles C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | No |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
King-County, Washington
Son, age 42
King-County, Washington · implied b. ~1898 — 3 household members
| Surname | Curtis |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Hours Worked | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same Home |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Charles Curtis across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Curtis (~0.92 confidence) and father Herbert Curtis (~0.92 confidence) and father Herbert Curtis (~0.92 confidence) and mother Mary Curtis (~0.92 confidence) and mother Florence Curtis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Curtis
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Herbert Curtis
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Herbert Curtis
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Mary Curtis
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Florence Curtis
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Curtis
Son · 1940 · age 42 · b. ~1898 · 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-t0627-04381-00065)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hajime Akutsu | 20 | Son | — | Washington |
| 2 | Jun Akutsu | 14 | Son | — | Washington |
| 3 | Herbert D Curtis | 73 | Head | Manager Owner | Michigan |
| 4 | Florence Curtis | 68 | Wife | — | Kansas |
| 5 | Charles Curtis THIS PERSON | 42 | Son | — | Montana |
| 6 | Joe Valeriano | 33 | Head | Janitor & Delivery | Philippines |
| 7 | Victoria Valeriano | 32 | Wife | — | Canada |
| 8 | Adela Valeriano | 5 | Daughter | — | Washington |
| 9 | Cornelio Nied | 57 | Father-in-law | Cook | Philippines |
| 10 | Robert Lofte | 6 | Nephew-in-law | — | Washington |
| 11 | Tameki Murakishi | 63 | Head | Book Porter | Japan |
| 12 | Fuji Murakishi | 53 | Wife | Chambermaid | Japan |
| 13 | Kono Ishibashi | 59 | Lodger | Gardner | Japan |
| 14 | Matt Maki | 57 | Head | High Rigger | Finland |
| 15 | C.A. Roberts | 33 | Partner | — | Michigan |
| 16 | John Lorenzo | 32 | Head | Kitchen Helper | Philippines |
| 17 | Dorothy Lorenzo | 22 | Wife | — | Montana |
| 18 | Millie Acevoda | 29 | Aunt-in-law | — | Montana |
| 19 | Roy Acevoda | 34 | Uncle-in-law | House Boy | Philippines |
| 20 | Glen Costilla | 34 | Head | Bus Boy | Philippines |
| 21 | Annie Costilla | 40 | Wife | — | Washington |
| 22 | Thomas Standley | 29 | Head | Laborer | Missouri |
| 23 | Juanita Standley | 30 | Wife | — | Washington |
| 24 | Eleanor Standley | 5 | Daughter | — | Washington |
| 25 | Thomas Standley | 3 | Son | — | Washington |
| 26 | Shirley Standley | 2 | Daughter | — | Washington |
| 27 | Myron Johnson | 37 | Head | Laborer | Iowa |
| 28 | Lois Johnson | 37 | Wife | — | Iowa |
| 29 | Marion Johnson | 5 | Son | — | South Dakota |
| 30 | Heather I Johnson | 4 | Daughter | — | South Dakota |
| 31 | Frances I Johnson | 3 | Daughter | — | Washington |
| 32 | Joseph L. Brady | 52 | Head | — | Nevada |
| 33 | Hazel L. Brady | 42 | Wife | — | Indiana |
| 34 | Billie L. Brady | 8 | Daughter | — | Colorado |
| 35 | Carlos Briceno | 39 | Head | — | Mexico |
| 36 | Mary Briceno | 27 | Wife | — | Washington |
| 37 | James Briceno | 12 | Son | — | Washington |
| 38 | Albert Alimoni | 40 | Head | — | Texas |
| 39 | Frances Alimoni | 35 | Wife | — | Texas |
| 40 | Manuel Alimoni | 11 | Son | — | Texas |
Pedigree Summary
Charles
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)