RH
Robert Henderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pierce-County, Washington
Our Model Tree links this Robert Henderson across the 1920, 1930 and 1940 US Censuses in Pierce-County, Washington (XGBoost, ~Confirmed), with identified parents Chris & Briel — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pierce-County, Washington |
| Surname | Henderson |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Tacoma City |
| 1935 Residence (County) | Pierce |
| Additional Details | |
| Occupation | Presser |
| Industry | Tailoring Co. |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 1100 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Presser |
| Township / Ward | Tacoma City |
| Est. Birth Year | ~1917 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Doris Henderson | Daughter | — | 12 | ~1928 |
| Chris Henderson | Head | — | 51 | ~1889 |
| Robert Henderson | Son | — | 23 | ~1917 |
| Richard Henderson | Son | — | 17 | ~1923 |
| Delphina Henderson | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Pierce, Washington
Son, age 2
Pierce, Washington · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Pierce, Washington
Son, age 12
Pierce, Washington · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Pierce-County, Washington
Son, age 23
Pierce-County, Washington · implied b. ~1917 — 5 household members
| Surname | Henderson |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Tacoma City |
| 1935 Residence (County) | Pierce |
| Occupation | Presser |
| Industry | Tailoring Co. |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 1100 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| 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 Robert Henderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Chris Henderson (~0.92 confidence) and father Briel Henderson (~0.92 confidence) and mother Delphina Henderson (~0.92 confidence) and mother Delphine Henderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chris Henderson
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Briel Henderson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Delphina Henderson
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Delphine Henderson
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Henderson
Son · 1940 · age 23 · b. ~1917 · Washington
★ You are viewing this record
Sibling
Richard Henderson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Henderson
Sibling · 1940 · age 12
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
1940 US Federal Census — Pierce-County, Washington
Open full size
1940 US Federal Census — Pierce-County, Washington
Page Contents
35 people indexed on this census page (nara:1940:m-t0627-04388-00299)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dale Myers | 1 | Son | — | Washington |
| 42 | Harvey Warren | 66 | Head | President | Kansas |
| 43 | Mary Warren | 69 | Wife | — | Norway |
| 44 | Myrta Warren | 40 | Daughter | Teacher | Washington |
| 46 | J. E. Elliott | 70 | Head | Secretary | Illinois |
| 47 | Mattie Elliott | 63 | Wife | — | Indiana |
| 48 | John Elliott | 20 | Son | — | Washington |
| 49 | R. G. Chapman | 30 | Head | Plumber | Washington |
| 50 | Clarice Chapman | 24 | Wife | — | Washington |
| 51 | Patrick Chapman | 3 | Son | — | Washington |
| 52 | John Jorgenson | 42 | Head | Office Manager | South Dakota |
| 53 | Veda Jorgenson | 34 | Wife | — | Washington |
| 54 | John H. Jorgenson | 18 | Son | — | Washington |
| 55 | Earl Jorgenson | 14 | Son | — | Washington |
| 56 | Bruce Jorgenson | 10 | Son | — | Washington |
| 57 | Janet Fanel | 77 | Mother-in-law | — | Scotland |
| 58 | C. O. Bishop | 57 | Head | Adjuster | New Jersey |
| 59 | Vera Bishop | 50 | Wife | — | Washington |
| 60 | Boyd Knicker | 24 | Son-in-law | Inspector | Alaska |
| 61 | Beryl Knicker | 22 | Daughter | — | Washington |
| 62 | Charlene Knicker | 0 | Granddaughter | — | Washington |
| 63 | Wallace Baker | 24 | Head | Truck Driver | Minnesota |
| 64 | Virginia Baker | 21 | Wife | — | Washington |
| 65 | Edwie Person | 56 | Head | Painter | Sweden |
| 66 | Alma Person | 57 | Wife | — | Sweden |
| 68 | Hilda Glans | 63 | Head | — | Sweden |
| 69 | Helen Glans | 34 | Daughter | Manager | Washington |
| 70 | Flora Troup | 44 | Head | — | Washington |
| 71 | Betty Troup | 16 | Daughter | — | Washington |
| 72 | Doris Troup | 15 | Daughter | — | Washington |
| 74 | Chris Henderson | 51 | Head | Machinist | Ohio |
| 75 | Delphina Henderson | 43 | Wife | — | Minnesota |
| 76 | Robert E. Henderson THIS PERSON | 23 | Son | Presser | Washington |
| 77 | Richard R. Henderson | 17 | Son | — | Washington |
| 78 | Doris M. Henderson | 12 | Daughter | — | Washington |
Pedigree Summary
Robert + 2 siblings
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)