RS
Richard Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Richard Smith across the 1910, 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Ralph & Philip — first a head (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Smith |
| Given Name | Richard P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Biologist |
| Industry | Fishery |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 2100 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Biologist |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1905 |
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 Richard | Age | Birth yr |
|---|---|---|---|---|
| Cathaline Smith | Daughter | — | ~1940 | |
| Richard Smith | Head | — | 35 | ~1905 |
| Gertrude Smith | Spouse | — | 27 | ~1913 |
Census Appearances
1910
King, Washington
Son, age 7
King, Washington · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Richard T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
King, Washington
Son, age 15
King, Washington · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Richard F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 25
King, Washington · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Richard T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Occupation | Student |
| Industry | University |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 35
King-County, Washington · implied b. ~1905 — 3 household members
| Surname | Smith |
| Given Name | Richard P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Biologist |
| Industry | Fishery |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 2100 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| 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 Richard Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ralph Smith (~0.92 confidence) and father Philip Smith (~0.92 confidence) and mother Alice Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence) and mother Ada Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ralph Smith
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Philip Smith
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Alice Smith
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Ada Smith
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Smith
Head · 1940 · age 35 · b. ~1905 · 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-t0627-04376-00858)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maurine C. Dempsey | 3 | Daughter | — | Washington |
| 2 | Russell B. Smith | 41 | Head | Custodian | Illinois |
| 3 | Naomi E. Smith | 36 | Wife | — | Montana |
| 4 | Grover W. Smith | 15 | Son | — | Washington |
| 5 | Vrid L. Bercus | 35 | Head | Salesman | Iowa |
| 6 | Lucille Bercus | 28 | Wife | — | Canada English |
| 7 | Carole M. Bercus | 7 | Daughter | — | Washington |
| 8 | Al R. Jorgensen | 34 | Head | Shovel Operat. | Washington |
| 9 | Helen A. Jorgensen | 28 | Wife | — | Washington |
| 10 | Barbara F. Jorgensen | 5 | Daughter | — | Washington |
| 11 | Hilda Harland | 53 | Mother-in-law | House Work | Wisconsin |
| 12 | Lyle L. Lewis | 31 | Head | Driver | Nebraska |
| 13 | Doris V. Lewis | 33 | Wife | Cashier | Nebraska |
| 14 | Elma O. Lewis | 4 | Daughter | — | Washington |
| 16 | Max H. Benne | 57 | Head | Owner | Germany |
| 17 | Christoffer E. Benne | 50 | Housekeeper | House Keeper | Denmark |
| 18 | Glen E. Ball | 50 | Head | Shingle Weaver | Washington |
| 19 | Marion L. Ball | 41 | Wife | — | No. Dakota |
| 20 | Glen W. Ball | 4 | Son | — | Washington |
| 21 | Margaret Hermonds | 71 | Head | — | New York |
| 22 | Margaret Lacey | 47 | Daughter | Stenographer | Illinois |
| 23 | Ruby M. Whittaker | 35 | Head | Librarian | Canada English |
| 24 | Alexander Foster | 51 | Head | — | Vermont |
| 25 | Julia E. Foster | 66 | Wife | — | Wisconsin |
| 26 | John R. Foster | 71 | Brother | — | Vermont |
| 27 | Richard P. Smith THIS PERSON | 35 | Head | Biologist | Washington |
| 28 | Gertrude M. Smith | 27 | Wife | Teacher | Oregon |
| 29 | Cathaline Smith | 0 | Daughter | — | Washington |
| 30 | Walter C. Mathews | 57 | Head | Lithographer | New York |
| 31 | Alma A. Mathews | 54 | Wife | — | Illinois |
| 32 | Charles W. Mathews | 16 | Son | Bus Driver | New York |
| 33 | George E. Morgan | 32 | Head | Decorator | Minnesota |
| 34 | Clara A. Morgan | 25 | Wife | — | No. Dakota |
| 35 | Mary J. Morgan | 4 | Daughter | — | No. Dakota |
| 36 | Janice A. Morgan | 3 | Daughter | — | No. Dakota |
| 37 | Patricia A. Morgan | 1 | Daughter | — | No. Dakota |
| 38 | Bruce P. Wolfe | 26 | Head | Mechanic | Washington |
| 39 | Marjorie E. Wolfe | 23 | Wife | — | Washington |
| 40 | Robert D. Wolfe | 0 | Son | — | Washington |
Pedigree Summary
Richard
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)