WK
William Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this William Kelly across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Thomas & Lily — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Kelly |
| Given Name | William R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | School Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 38 |
| Income (1939) | 349 |
| Highest Grade | C 5 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Teacher |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1907 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Joann Kelly | Daughter | — | 2 | ~1938 |
| William Kelly | Head | — | 33 | ~1907 |
| Marguerite Kelly | Spouse | — | 32 | ~1908 |
Census Appearances
1920
King, Washington
Son, age 13
King, Washington · implied b. ~1907 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
King, Washington
Son, age 23
King, Washington · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | England |
| Age at First Marriage | 1911 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Grade School Teacher |
| Industry | 9494 |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
King-County, Washington
Head, age 33
King-County, Washington · implied b. ~1907 — 3 household members
| Surname | Kelly |
| Given Name | William R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Naturalization Status | Naturalized |
| Occupation | School Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 38 |
| Income (1939) | 349 |
| Highest Grade | C 5 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 William Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Kelly (~0.92 confidence) and mother Lily Kelly (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Kelly
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Lily Kelly
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Kelly
Head · 1940 · age 33 · b. ~1907 · 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-t0627-04383-00722)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Bursvark|Bursvark | 58 | Head | Laborer | Michigan |
| 42 | Bursvark|Bursvark | None | — | — | — |
| 43 | John Pulli | 27 | Head | Fireman | Washington |
| 44 | Myrtle Pulli | 27 | Wife | — | Oregon |
| 47 | Charles Callahan | 38 | Head | — | New Zealand |
| 48 | Margaret Callahan | 33 | Wife | — | Washington |
| 49 | Charles Callahan | 7 | Son | — | Washington |
| 50 | Susan Callahan | 4 | Daughter | — | Washington |
| 51 | Roland Dieken | 40 | Head | Operating Supt | Montana |
| 52 | Opal Dieken | 38 | Wife | Trained Nurse | Missouri |
| 53 | Richard Dieken | 12 | Son | — | Washington |
| 54 | Robert Stephens | 35 | Head | Machinist | Ohio |
| 55 | Josephine Stephens | 42 | Wife | — | Germany |
| 56 | Robert Stephens | 10 | Son | — | Washington |
| 58 | William M. Wallace | 40 | Head | Sales & Traveling Engineer | Washington |
| 59 | Beulah Wallace | 40 | Wife | — | Missouri |
| 60 | Mabel Wallace | 72 | Mother | — | Maine |
| 61 | Ira J. Alcorn | 44 | Head | Machinist | Washington |
| 62 | Anna M. Alcorn | 36 | Wife | — | South Dakota |
| 63 | Donald J. Alcorn | 11 | Son | — | Washington |
| 64 | William R. Kelly THIS PERSON | 33 | Head | School Teacher | England |
| 65 | Marguerite Kelly | 32 | Wife | — | Washington |
| 66 | Joann Kelly | 2 | Daughter | — | Washington |
| 67 | Enoch Ulvestad|Ulvestad | 66 | Head | — | Norway |
| 68 | Josephine Ulvestad|Ulvestad | 65 | Wife | — | Norway |
| 69 | Randall E. Ulvestad|Ulvestad | 28 | Son | Shipping Clerk | Washington |
| 70 | Harley J. Ulvestad|Ulvestad | 25 | Son | Labor | Washington |
| 71 | Clifford Humphrey | 64 | Head | Secretary | Illinois |
| 72 | Grace Humphrey | 65 | Wife | Mill Wright | Illinois |
| 73 | Paul Humphrey | 16 | Son | — | Washington |
| 74 | Edward Freedman | 61 | Head | — | Nebraska |
| 75 | Harold Freedman | 24 | Son | Shipping Clerk | Washington |
| 77 | Olga Perry | 40 | Head | Stenographer | North Dakota |
| 78 | Howard Perry | 11 | Son | — | Washington |
| 79 | Ella S. Skratas | 78 | Mother | — | Norway |
Related Census Records
Pedigree Summary
William
Gen 1 · 2 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)