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Clarence Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Clarence Nelson across the 1910, 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents James & James — first a head (b.~1881), then head of a 3-person household.
Age 59
b. ~1881
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Nelson |
| Given Name | Clarence E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Messenger |
| Industry | Railway Express |
| Class of Worker | PW |
| Hours Worked | 51 |
| Income (1939) | 2430 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Messenger |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1881 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Barbara Nelson | Daughter | — | 15 | ~1925 |
| Clarence Nelson | Head | — | 59 | ~1881 |
| Caroline Nelson | Spouse | — | 45 | ~1895 |
Census Appearances
1910
King, Washington
Son, age 29
King, Washington · implied b. ~1881 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Indiana |
| Occupation | Proprietor |
| Industry | Express & City |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
King, Washington
Son, age 37
King, Washington · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Indiana |
| Occupation | Messenger |
| Industry | Express |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Head, age 49
King, Washington · implied b. ~1881 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 29 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Indiana |
| Occupation | Baggageman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5500 |
| Radio Set | R |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 59
King-County, Washington · implied b. ~1881 — 3 household members
| Surname | Nelson |
| Given Name | Clarence E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Messenger |
| Industry | Railway Express |
| Class of Worker | PW |
| Hours Worked | 51 |
| Income (1939) | 2430 |
| Highest Grade | Hs 3 |
| 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 Clarence Nelson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Nelson (~0.92 confidence) and father James Nelson (~0.92 confidence) and mother Mary Nelson (~0.92 confidence) and mother Mary Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Nelson
b. ~1845
Source father
● Household
· direct · ~0.92
Father
James Nelson
b. ~1846
Source father
● Household
· direct · ~0.92
Mother
Mary Nelson
b. ~1853
Source mother
● Household
· direct · ~0.92
Mother
Mary Nelson
b. ~1856
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Nelson
Head · 1940 · age 59 · b. ~1881 · 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-t0627-04378-00272)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bertram Greenbaum | 40 | Head | Owner | Dist. Columbia |
| 2 | Evelyn Greenbaum | 34 | Wife | — | Washington |
| 3 | Marilyn Greenbaum | 10 | Daughter | — | Washington |
| 4 | Shirley Greenbaum | 7 | Daughter | — | Washington |
| 5 | Evelyn Burnett | 31 | Servant | Servant | Washington |
| 6 | Arthur Russell | 41 | Head | Salesman | California |
| 7 | Norma H. Russell | 38 | Wife | — | Missouri |
| 8 | Maryjane Russell | 15 | Daughter | — | California |
| 9 | Arthur Jr. Russell | 15 | Son | — | California |
| 10 | Carl F. Plank | 46 | Head | Salesman | Illinois |
| 11 | Audrey Plank | 46 | Wife | — | Oregon |
| 12 | Audrey Plank | 19 | Daughter | — | Washington |
| 13 | Robert F. Plank | 13 | Son | — | Washington |
| 14 | Norman Finlayson | 51 | Head | Warehouse Clerk | Scotland |
| 15 | Bluma Finlayson | 44 | Wife | Clerk-Money Order | Texas |
| 16 | Frederick D. Nims | 34 | Head | Salesman | Utah |
| 17 | Jean K. Nims | 31 | Wife | Salesman | Washington |
| 18 | Dawn Nims | 5 | Daughter | — | Washington |
| 19 | Julia M. Nims | 1 | Daughter | — | Washington |
| 20 | Clarence E. Nelson THIS PERSON | 59 | Head | Messenger | Washington |
| 21 | Caroline B. Nelson | 45 | Wife | — | Nebraska |
| 22 | Barbara Ann Nelson | 15 | Daughter | — | Washington |
| 23 | George A. Mandas | 39 | Head | Salesman | Washington |
| 24 | Constance Mandas | 25 | Wife | — | Greece |
| 25 | Georgia A. Mandas | 4 | Daughter | — | Washington |
| 26 | Carol E. Mandas | 1 | Daughter | — | Washington |
| 27 | Aaron Evans | 44 | Head | Engineer | Kansas |
| 28 | Edward Wright | 45 | Brother-in-law | Salesman | Pennsylvania |
| 29 | Rosemary Wright | 40 | Sister | Saleslady | Washington |
| 30 | James Miller | 54 | Head | Lawyer | Illinois |
| 31 | Ada Miller | 54 | Wife | — | Wisconsin |
| 32 | Eugene H. Bous | 36 | Head | Manager | New York |
| 33 | Grace P. Bous | 40 | Wife | — | Oklahoma |
| 34 | Robert E. Bous | 7 | Son | — | Washington |
| 35 | Beverly J. Bous | 6 | Daughter | — | Washington |
| 36 | Bous | 2 | Son | — | Washington |
| 37 | William H. Hewitt | 31 | Head | Loader | Washington |
| 38 | Elizabeth Hewitt | 30 | Wife | — | Washington |
| 39 | Hewitt | 1 | Son | — | Washington |
Pedigree Summary
Clarence
Gen 1 · 4 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)