CR
Charles Robbins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Grant-County, Washington
Our Model Tree links this Charles Robbins across the 1920, 1930 and 1940 US Censuses in Grant-County, Washington (XGBoost, ~Confirmed), with identified parents Charles — first a head (b.~1895), then head of a 5-person household.
Age 45
b. ~1895
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grant-County, Washington |
| Surname | Robbins |
| Given Name | Charles B |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Neppel Precinct |
| 1935 Residence (County) | Grant |
| Additional Details | |
| Occupation | Trapper |
| Industry | Country Trapping |
| Class of Worker | OA |
| Hours Worked | 35 |
| Income (1939) | 66 |
| Highest Grade | No 8 |
| 1935 Residence | Same home |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Trapper |
| Township / Ward | Neppel Precinct |
| Est. Birth Year | ~1895 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Lillian Robbins | Spouse | — | 28 | ~1912 |
| Charles Robbins | Head | — | 45 | ~1895 |
| Lalleen Steinbach | Other | — | 8 | ~1932 |
| Charles Robbins | Son | — | 3 | ~1937 |
| Robert Steinbach | Other | — | 6 | ~1934 |
Census Appearances
1920
Grant, Washington
Head, age 24
Grant, Washington · implied b. ~1896
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Robbins |
| Given Name | Charles B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | Diversified |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Grant, Washington
Son, age 34
Grant, Washington · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robbins |
| Given Name | Charles B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Grant-County, Washington
Head, age 45
Grant-County, Washington · implied b. ~1895 — 5 household members
| Surname | Robbins |
| Given Name | Charles B |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Neppel Precinct |
| 1935 Residence (County) | Grant |
| Occupation | Trapper |
| Industry | Country Trapping |
| Class of Worker | OA |
| Hours Worked | 35 |
| Income (1939) | 66 |
| Highest Grade | No 8 |
| 1935 Residence | Same home |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Charles Robbins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Robbins (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Robbins
b. ~1855
Source father
● Household
· direct · ~0.92
This person
Anchor record
Charles Robbins
Head · 1940 · age 45 · b. ~1895 · 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 — Grant-County, Washington
Open full size
1940 US Federal Census — Grant-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04339-00249)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Shirley A Hale | 3 | daughter | — | Washington |
| 42 | Jessie V Hale | 0 | son | — | Washington |
| 43 | William R Parkison | 47 | head | Farmer | Kansas |
| 44 | Adeline Kennedy | 48 | housekeeper | Housekeeper | Michigan |
| 45 | James J Kennedy | 30 | housekeeper's son | Farmer | Idaho |
| 46 | Carl K Burns | 35 | head | Commissioner | Missouri |
| 47 | Maude M Burns | 36 | wife | — | Pennsylvania |
| 48 | Moxie B Burns | 12 | daughter | — | Washington |
| 49 | Patricia A Burns | 10 | daughter | — | Washington |
| 50 | Ruth E Burns | 8 | daughter | — | Montana |
| 51 | Betty J Burns | 6 | daughter | — | Washington |
| 52 | Kenneth R Burns | 5 | son | — | Washington |
| 53 | Karen C Burns | 3 | daughter | — | Washington |
| 54 | Richard R Penhallurick | 54 | head | Farmer | Canada English |
| 55 | Henrietta B Penhallurick | 53 | wife | — | England |
| 56 | Richard D Penhallurick | 21 | son | Farm Laborer | Washington |
| 57 | Margaret L Penhallurick | 20 | daughter | Typing | Washington |
| 58 | Edward P Penhallurick | 18 | son | — | Washington |
| 59 | Charles B Robbins THIS PERSON | 45 | head | Trapper | Iowa |
| 60 | Lillian L Robbins | 28 | wife | — | No. Dakota |
| 61 | Lalleen C Steinbach | 8 | step-son | — | Washington |
| 62 | Robert E Steinbach | 6 | step-son | — | Washington |
| 63 | Charles W Robbins | 3 | son | — | Washington |
| 64 | Samuel A Osborn | 47 | head | — | Kansas |
| 65 | Bruce Drinkard | 57 | head | Farmer | Oregon |
| 66 | Peter V Clement | 69 | head | — | Canada English |
| 67 | Irene J Clement | 38 | daughter | — | South Dakota |
| 68 | Michael Olson | 65 | head | Farmer | Minnesota |
| 69 | Eva Ruth Olson | 67 | wife | — | Iowa |
| 70 | Ralph C Olson | 22 | adopted son | Laborer | Washington |
| 71 | Ruth E Olson | 20 | adopted son's wife | — | Washington |
| 72 | William Schoegeler | 31 | head | Farmer | Washington |
| 73 | Jennie M Schoegeler | 40 | wife | — | South Dakota |
| 74 | Claire M Schoegeler | 2 | daughter | — | Washington |
| 75 | Frank W Staplin | 78 | father-in-law | — | Minnesota |
| 76 | Richard Ottmar | 40 | head | Farmer | South Dakota |
| 77 | Marie M Ottmar | 31 | wife | — | Washington |
| 78 | Elma M Ottmar | 8 | daughter | — | Washington |
| 79 | Harvey R Ottmar | 5 | son | — | Washington |
| 80 | Emanuel Ottmar | 46 | brother | Laborer | South Dakota |
Pedigree Summary
Charles
Gen 1 · 1 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)