WM
William Mcclain — 1930 US Census Record
Linked across censuses1930 United States Federal Census · King, Washington
Our Model Tree links this William Mcclain across the 1920 and 1930 US Censuses in King, Washington (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 6-person household.
Age 17
b. ~1913
Male
Son
Born: Washington
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | King, Washington |
| Surname | McClain |
| Given Name | William E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Seattle |
| Est. Birth Year | ~1913 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Mcclain | Head | — | 52 | ~1878 |
| Patrick Mcclain | Son | — | 10 | ~1920 |
| Elizabeth Mcclain | Spouse | — | 49 | ~1881 |
| John Mcclain | Son | — | 21 | ~1909 |
| Edwin Mcclain | Son | — | 22 | ~1908 |
| William Mcclain | Son | — | 17 | ~1913 |
Census Appearances
1920
King, Washington
Son, age 7
King, Washington · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClain |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 17
King, Washington · implied b. ~1913 — 6 household members
| Surname | McClain |
| Given Name | William E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| 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 William Mcclain across 2 US Census years (1920 and 1930) in King, Washington, using XGBoost record linkage.
Show:
This person
Anchor record
William Mcclain
Son · 1930 · age 17 · b. ~1913 · Washington
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Sibling
Edwin Mcclain
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Mcclain
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcclain
Sibling · 1930 · age 21
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
1930 US Federal Census — King, Washington
Open full size
1930 US Federal Census — King, Washington
Page Contents
42 people indexed on this census page (ia:1930:15thcensus2493unit:0306)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rachel F Richards | 64 | Head | — | New York |
| 2 | Catherine W Richards | 36 | Daughter | Cook | Michigan |
| 3 | Mary Olsen | 66 | Head | — | Norway |
| 4 | Inga Olsen | 38 | Daughter | Teacher | Wisconsin |
| 5 | Bertha Olsen | 34 | Daughter | Teacher | Wisconsin |
| 6 | Freda Klutlig | 38 | Boarder | Teacher | Germany |
| 7 | William H Nelson | 40 | Head | Inspector | Canada |
| 8 | Hazel Nelson | 36 | Wife | — | Wisconsin |
| 9 | William G Nelson | 5 | Son | — | Canada |
| 10 | William Middendorf | 56 | Head | — | Germany |
| 11 | William F Middendorf | 27 | Son | Glazier | Washington |
| 12 | Walter E Middendorf | 25 | Son | Shaper Man | Washington |
| 13 | Fred L Middendorf | 20 | Son | Laborer | Washington |
| 14 | Berton K Middendorf | 17 | Son | — | Washington |
| 15 | Olaf M Furusebo | 51 | Head | Engineer | Norway |
| 16 | Emma M Furusebo | 44 | Wife | — | Minnesota |
| 17 | Twala R Furusebo | 17 | Daughter | P.B.X. Work | Washington |
| 18 | Florence E Furusebo | 13 | Daughter | — | Washington |
| 19 | Elaine P Furusebo | 4 | Grand daughter | — | California |
| 20 | Otto J Borley | 40 | Brother-in-law | Stationary Fireman | Minnesota |
| 21 | Harry R Corrothers | 36 | Head | Salesman | West Virginia |
| 22 | Edith G Corrothers | 41 | Wife | — | South Dakota |
| 23 | Lucille M Corrothers | 10 | Daughter | — | Washington |
| 24 | Franklin Matte | 82 | Father-in-law | — | Wisconsin |
| 25 | Elden T Manger | 41 | Head | Physician | Minnesota |
| 26 | Charlotte L Manger | 41 | Wife | — | California |
| 27 | Eugene Manger | 13 | Daughter | — | Oregon |
| 28 | T. Harold Manger | 11 | Son | — | Oregon |
| 29 | Janette Manger | 5 | Daughter | — | Washington |
| 30 | William E Mcclain | 52 | Head | Physician-Surgeon | Kansas |
| 31 | Elizabeth A Mcclain | 49 | Wife | — | Wisconsin |
| 32 | Edwin B Mcclain | 22 | Son | — | Iowa |
| 33 | John H Mcclain | 21 | Son | — | Washington |
| 34 | William E Mcclain THIS PERSON | 17 | Son | — | Washington |
| 35 | Patrick V Mcclain | 10 | Son | — | Washington |
| 36 | Anna V Wendland | 55 | Head | — | Germany |
| 37 | Lillian A Wendland | 22 | Daughter | Cashier | Washington |
| 38 | Alice L Wendland | 19 | Daughter | Office Clerk | Washington |
| 39 | Clara M Konrad | 30 | Head | Chambermaid | Wisconsin |
| 40 | Eva Konrad | 58 | Aunt | Eng. Work | Wisconsin |
| 41 | Lydia B Konrad | 28 | Sister | House Work | Wisconsin |
| 42 | Theodore Lockwood | 64 | Roomer | Day Work | England |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)