JT
John Todd — 1940 US Census Record
Linked across censuses1940 United States Federal Census · King-County, Washington
Our Model Tree links this John Todd across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 5-person household.
Age 54
b. ~1886
Male
Head
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Todd |
| Given Name | John N. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Mercer Island |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Civil engineer |
| Industry | County road maintenance |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2400 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Civil Engineer |
| Township / Ward | Mercer Island |
| Est. Birth Year | ~1886 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Mary Todd | Daughter | — | 17 | ~1923 |
| Margaret Todd | Daughter | — | 26 | ~1914 |
| Ella Todd | Daughter | — | 14 | ~1926 |
| John Todd | Head | — | 54 | ~1886 |
| Margaret Todd | Spouse | — | 55 | ~1885 |
Census Appearances
1920
King, Washington
Head, age 34
King, Washington · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Father's Birthplace | Ohio |
| Mother's Birthplace | New York |
| Occupation | Engineer |
| Industry | Construction |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
King, Washington
Head, age 44
King, Washington · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | John N. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 26 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | New York |
| Occupation | Designing Engr. |
| Industry | Power Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 50.00 |
| Radio Set | R |
| Veteran | No |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
King-County, Washington
Head, age 54
King-County, Washington · implied b. ~1886 — 5 household members
| Surname | Todd |
| Given Name | John N. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Mercer Island |
| 1935 Residence (County) | King |
| Occupation | Civil engineer |
| Industry | County road maintenance |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2400 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 John Todd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Todd
Head · 1940 · age 54 · b. ~1886 · Washington
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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
38 people indexed on this census page (nara:1940:m-t0627-04345-00093)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Miles J. Murray | 52 | Head | Stenographer | Indiana |
| 42 | Anna M. Murray | 51 | Wife | — | Texas |
| 43 | Mary E. Murray | 21 | Daughter | — | Texas |
| 44 | Paul Murray | 21 | Son | Stenographer | Texas |
| 45 | Frank T. Murray | 18 | Son | — | Texas |
| 46 | Ray W. Nelson | 27 | Head | Truck Driver | Washington |
| 47 | Nadine C. Nelson | 24 | Wife | — | Washington |
| 48 | Peter A. Nelson | 2 | Son | — | Washington |
| 49 | Horace W. Heath | 50 | Head | Proprietor | Utah |
| 50 | Anna Heath | 48 | Wife | Chocolate Dipper | Illinois |
| 51 | Richard G. Owens | 47 | Head | House Painter | Washington |
| 52 | Elizabeth J. Owens | 43 | Wife | — | Nebraska |
| 53 | Richard G. Jr. Owens | 18 | Son | Handy Man | Washington |
| 54 | Evelyn M. Owens | 11 | Daughter | — | Washington |
| 55 | John N. Todd THIS PERSON | 54 | Head | Civil Engineer | Nebraska |
| 56 | Margaret M. Todd | 55 | Wife | — | Iowa |
| 57 | Margaret R. Todd | 26 | Daughter | Paleontology Research Assistant | Nebraska |
| 58 | Mary E. Todd | 17 | Daughter | — | Washington |
| 59 | Ella M. Todd | 14 | Daughter | — | Nebraska |
| 60 | William W. Allsworth | 62 | Head | Laborer | Pennsylvania |
| 61 | William L. Allsworth | 20 | Son | Aircraft Riveter | Washington |
| 62 | Joseph Grenier | 62 | Head | Cement Worker | Canada-French |
| 63 | Emily Grenier | 69 | Wife | — | England |
| 64 | Knute Augustson | 42 | Head | Carpenter | Sweden |
| 65 | Eunice Augustson | 30 | Wife | — | Washington |
| 66 | Fred Young | 79 | Head | — | Sweden |
| 67 | Charley W. Culbertson | 53 | Head | Caretaker - Summer Camp | Iowa |
| 68 | Bessie Rhoads | 53 | Head | Beautician | Indiana |
| 69 | Ora Rhoads | 55 | Brother | — | Indiana |
| 70 | Hartman | 59 | Head | Laborer | West Virginia |
| 71 | Daniel J. Ryan | 49 | Head | Patrolman | South Dakota |
| 72 | Alice M. Ryan | 48 | Wife | — | South Dakota |
| 73 | T. George Ryan | 20 | Son | Shipping Clerk | South Dakota |
| 74 | Sheila I. Ryan | 16 | Daughter | — | Washington |
| 75 | Julleanne M. Ryan | 8 | Daughter | — | Washington |
| 78 | B. Richard Schwarz | 55 | Head | — | Illinois |
| 79 | Maria D. Schwarz | 54 | Wife | — | Minnesota |
| 80 | Frank J. Eddy | 24 | Son-in-law | Private 1St Class | England |
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)