RA
Robert Arnold — 1930 US Census Record
Linked across censuses1930 United States Federal Census · King, Washington
Our Model Tree links this Robert Arnold across the 1930 and 1940 US Censuses in King, Washington (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 9-person household.
Age 8
b. ~1922
Male
Son
Born: Washington
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | King, Washington |
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Seattle |
| Est. Birth Year | ~1922 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Arnold | Son | — | 8 | ~1922 |
| Rose Arnold | Daughter | — | 12 | ~1918 |
| John Arnold | Son | — | 15 | ~1915 |
| Fred Arnold | Son | — | 20 | ~1910 |
| Mary Arnold | Spouse | — | 47 | ~1883 |
| Joseph Arnold | Son | — | 18 | ~1912 |
| Albert Arnold | Son | — | 4 | ~1926 |
| Arthur Arnold | Son | — | 10 | ~1920 |
| Fred Arnold | Head | — | 49 | ~1881 |
Census Appearances
1930
King, Washington
Son, age 8
King, Washington · implied b. ~1922 — 9 household members
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 17
King-County, Washington · implied b. ~1923 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnhold |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle |
| 1935 Residence (County) | King |
| Highest Grade | H 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 Robert Arnold across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Arnold
Son · 1930 · age 8 · b. ~1922 · Washington
★ You are viewing this record
Sibling
Albert Arnold
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Arnold
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Arnold
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Arnold
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Arnold
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Arnold
Sibling · 1930 · age 10
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
1930 US Federal Census — King, Washington
Open full size
1930 US Federal Census — King, Washington
Page Contents
31 people indexed on this census page (ia:1930:15thcensus2504unit:1038)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Fred J Arnold | 49 | Head | Proprietor | Italy |
| 52 | Mary Arnold | 47 | Wife | — | Italy |
| 53 | Fred Arnold | 20 | Son | Pressman | Washington |
| 54 | Joseph Arnold | 18 | Son | Lithograph | Washington |
| 55 | John Arnold | 15 | Son | Messenger | Washington |
| 56 | Rose Arnold | 12 | Daughter | — | Washington |
| 57 | Arthur Arnold | 10 | Son | — | Washington |
| 58 | Robert Arnold THIS PERSON | 8 | Son | — | Washington |
| 59 | Albert Arnold | 4 | Son | — | Washington |
| 60 | John Arnold | 53 | Head | Laborer | Italy |
| 61 | Mary Arnold | 53 | Wife | — | Italy |
| 62 | John Arnold | 24 | Son | Laborer | Washington |
| 63 | William Arnold | 22 | Son | Laborer | Washington |
| 64 | Frank Arnold | 20 | Son | Laborer | Washington |
| 65 | Rose Arnold | 18 | Daughter | Clerk | Washington |
| 66 | Joseph Arnold | 16 | Son | — | Washington |
| 67 | Margaret Arnold | 13 | Daughter | — | Washington |
| 68 | Fred Arnold | 11 | Son | — | Washington |
| 69 | Albert Arnold | 9 | Son | — | Washington |
| 70 | Theresa Arnold | 7 | Daughter | — | Washington |
| 71 | Steve Remorski | 73 | Head | — | Germany |
| 72 | Elizabeth Remorski | 62 | Wife | — | Germany |
| 73 | August Remorski | 30 | Son | Fireman | Washington |
| 74 | John Remorski | 28 | Son | Plumber | Washington |
| 75 | Elizabeth Remorski | 26 | Daughter | — | Washington |
| 76 | Katherine Remorski | 24 | Daughter | — | Washington |
| 77 | Steve Remorski | 22 | Son | — | Washington |
| 78 | Margaret Remorski | 20 | Daughter | — | Washington |
| 79 | Richard Remorski | 38 | Head | Laborer | Washington |
| 80 | Mary Remorski | 41 | Wife | — | Washington |
| 81 | Richard Remorski | 13 | Son | — | Washington |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)