JH
Joseph Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Joseph Hamilton across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents George & Georgia — first a head (b.~1893), then head of a 3-person household.
Age 47
b. ~1893
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Hamilton |
| Given Name | Joseph A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Elevator Operator |
| Industry | City Transit |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1680 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Elevator Operator |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1893 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Eva Hamilton | Spouse | — | 48 | ~1892 |
| Joseph Hamilton | Head | — | 47 | ~1893 |
| Rosalie Pierce | Daughter | — | 27 | ~1913 |
Census Appearances
1920
King, Washington
Son, age 27
King, Washington · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Conductor |
| Industry | Street Car |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
King, Washington
Son, age 39
King, Washington · implied b. ~1891 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Joseph A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Conductor |
| Industry | Street Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
King-County, Washington
Head, age 47
King-County, Washington · implied b. ~1893 — 3 household members
| Surname | Hamilton |
| Given Name | Joseph A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Elevator Operator |
| Industry | City Transit |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1680 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Joseph Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Hamilton (~0.92 confidence) and mother Georgia Hamilton (~0.92 confidence) and mother Mary Hamilton (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Hamilton
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Georgia Hamilton
b. ~1856
Source mother
● Household
· direct · ~0.92
Mother
Mary Hamilton
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Hamilton
Head · 1940 · age 47 · b. ~1893 · 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
39 people indexed on this census page (nara:1940:m-t0627-04378-00824)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 42 | Gilbert F. Hastings | 58 | Head | Proprietor | Illinois |
| 43 | Nina F. Hastings | 65 | Wife | — | Indiana |
| 44 | Frances E. Eakin | 27 | Housekeeper | Housekeeper | Washington |
| 45 | Charles B. Warren | 59 | Head | Manager | England |
| 46 | Loletta C. Warren | 46 | Wife | — | Washington |
| 47 | James B. Warren | 13 | Son | — | Washington |
| 48 | Dorothy A. Hardy | 46 | Housekeeper | Housekeeper | New York |
| 49 | August P. Herpick | 62 | Head | Attendant (Vault) | Iowa |
| 50 | Gertrude E. Herpick | 57 | Wife | — | England |
| 51 | Frank C. Herpick | 26 | Son | Timekeeper | Alaska |
| 52 | George N. Vilas | 44 | Head | Salesman | Wisconsin |
| 53 | Nona S. Vilas | 38 | Wife | — | Alaska |
| 54 | Mary E. Vilas | 15 | Daughter | — | China |
| 55 | Joan Vilas | 10 | Daughter | — | China |
| 56 | Edward C. Stahlhut | 37 | Head | Watchmaker | Indiana |
| 57 | Ethelyn R. Stahlhut | 34 | Wife | — | North Dakota |
| 58 | Charles E. Stahlhut | 3 | Son | — | Washington |
| 59 | Patricia M. Stahlhut | 1 | Daughter | — | Washington |
| 60 | Lyman B. Goodge | 40 | Head | Stock Supervisor | Indiana |
| 61 | Suzanne E. Goodge | 37 | Wife | — | Washington |
| 62 | William R. Goodge | 11 | Son | — | Washington |
| 63 | Margaret E. Goodge | 10 | Daughter | — | Washington |
| 64 | Emily B. Scholl | 78 | Mother in law | — | California |
| 65 | Walter A. Wiley | 67 | Head | — | Ohio |
| 66 | Ella A. Wiley | 60 | Wife | — | Maryland |
| 67 | George W. Murphy | 41 | Head | Sales Manager | Washington |
| 68 | Florence M. Murphy | 37 | Wife | — | Indiana |
| 69 | Joseph A. Hamilton THIS PERSON | 47 | Head | Elevator Operator | Michigan |
| 70 | Eva L. Hamilton | 48 | Wife | Floor Lady | Minnesota |
| 71 | Rosalie A. Pierce | 27 | Daughter | Packer | Oregon |
| 72 | Leonard L. Bolstad | 56 | Head | Service Superintendent | Wisconsin |
| 73 | Florence Bolstad | 40 | Wife | — | Canada-English |
| 74 | Irving Stern | 41 | Head | Salesman | Poland |
| 75 | Anne Stern | 30 | Wife | — | Poland |
| 76 | Mona Green | 20 | Sister in law | Saleslady | Poland |
| 77 | John P. Fastenberg | 62 | Head | Hoisting Engineer | Sweden |
| 78 | Gerlinde M. Fastenberg | 48 | Wife | — | England |
| 79 | Le Roy F. Fastenberg | 22 | Son | Service Man | Washington |
| 80 | Betty L. Fastenberg | 20 | Daughter | Typist | Washington |
Pedigree Summary
Joseph
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)