FR
Fred Roberts — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Fred Roberts across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Christian & John — first a son (b.~1910), then head of a 8-person household.
Age 30
b. ~1910
Male
Son
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Roberts |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Durham Precinct |
| 1935 Residence (County) | King |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same House |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Durham Precinct |
| Est. Birth Year | ~1910 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| John Roberts | Head | — | — | |
| Christina Roberts | Spouse | — | 55 | ~1885 |
| Robert Roberts | Son | — | 20 | ~1920 |
| Frank Roberts | Son | — | 34 | ~1906 |
| Violet Roberts | Daughter | — | 22 | ~1918 |
| Byron Roberts | Son | — | 32 | ~1908 |
| Fred Roberts | Son | — | 30 | ~1910 |
| Ed Roberts | Son | — | 29 | ~1911 |
Census Appearances
1920
King, Washington
Son, age 10
King, Washington · implied b. ~1910 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
King, Washington
Son, age 20
King, Washington · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Occupation | Logger |
| Industry | Logging Camp |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
King-County, Washington
Son, age 30
King-County, Washington · implied b. ~1910 — 8 household members
| Surname | Roberts |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Durham Precinct |
| 1935 Residence (County) | King |
| Income (1939) | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same House |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Fred Roberts across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Christian Roberts (~0.92 confidence) and father John Roberts (~0.80 confidence) and mother Christina Roberts (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.88
Father
Christian Roberts
b. ~1884
Source father
● Household
· direct · ~0.92
Father
John Roberts
b. ~None
Source father
● Household
· direct · ~0.8
Mother
Christina Roberts
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Fred Roberts
Son · 1940 · age 30 · b. ~1910 · Washington
★ You are viewing this record
Sibling
Frank Roberts
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Byron Roberts
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ed Roberts
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Roberts
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Roberts
Sibling · 1940 · age 22
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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04344-00078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth Squires | 35 | Wife | — | Kansas |
| 42 | Ward Squires | 16 | Son | — | N.Y. |
| 43 | Ray Squires | 13 | Son | — | N.Y. |
| 44 | Lola Squires | 10 | Daughter | — | N.Y. |
| 45 | Evans Collins | 41 | Head | Miner | N.Y. |
| 46 | Lucy Collins | 35 | Wife | — | California |
| 47 | Eugene Collins | 15 | Son | — | Wash. |
| 48 | Thalia Collins | 12 | Daughter | — | Wash. |
| 49 | Jas. Collins | 10 | Son | — | Wash. |
| 50 | Lucy Sherwood | 67 | Mother-in-law | — | N. Jersey |
| 51 | August Banon | 49 | Head | Miner | Italy |
| 52 | Frank Kuhuski | 54 | Head | Supt. | Westphalia |
| 53 | Elizabeth Kuhuski | 45 | Wife | — | England |
| 54 | Ed. Kuhuski | 24 | Son | Laborer | Illinois |
| 55 | Al. Kuhuski | 18 | Son | — | Illinois |
| 56 | Frank Jr. Kuhuski | 16 | Son | — | Illinois |
| 57 | Geo. C. Jones | 47 | Head | Tie Mill | Wash. |
| 58 | Alice Jones | 40 | Wife | — | Wash. |
| 59 | Ben Jones | 20 | Son | Truck Driver | Wash. |
| 60 | Dorothy Jones | 17 | Daughter | — | Wash. |
| 61 | Robt. Mcdougal | 25 | Head | Logger | Wash. |
| 62 | Evilo Mcdougal | 21 | Wife | — | Wash. |
| 63 | Lucille Marins | 44 | Head | — | Wash. |
| 64 | Tony Marins | 25 | Son | Mule Driver | Wash. |
| 65 | Thos. Pappas | 49 | Lodger | Fireman | Greece |
| 66 | Anton Kombull | 55 | Head | — | Austria |
| 67 | Julia Kombull | 55 | Wife | Teacher | Wash. |
| 68 | Bernell Kombull | 24 | Daughter | Watchman | Arizona |
| 69 | Dana Kombull | 22 | Daughter | — | Montana |
| 70 | Lavern Kombull | 18 | Son | — | Wash. |
| 71 | Nadine Kombull | 16 | Daughter | — | Wash. |
| 72 | John Roberts | None | Head | — | — |
| 73 | Christina Roberts | 55 | Wife | Farm | Norway |
| 74 | Frank Roberts | 34 | Son | — | Wash. |
| 75 | Byron Roberts | 32 | Son | — | Wash. |
| 76 | Fred Roberts THIS PERSON | 30 | Son | — | Idaho |
| 77 | Ed Roberts | 29 | Son | Laborer | Idaho |
| 78 | Violet Roberts | 22 | Daughter | Office | Wash. |
| 79 | Robert Jr. Roberts | 20 | Son | Painting | Wash. |
| 80 | Nick Hanna | 43 | Head | Miner | Greece |
Pedigree Summary
Fred + 5 siblings
Gen 1 · 3 parents
~0.88
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)