RC
Robert Cummings — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Ada, Idaho
Our Model Tree links this Robert Cummings across the 1920 and 1930 US Censuses in Ada, Idaho (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 7-person household.
Age 10
b. ~1920
Male
Son
Born: Idaho
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Ada, Idaho |
| Surname | Cummings |
| Given Name | Robert K |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Nebraska |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Village Of Eagle Idaho |
| Est. Birth Year | ~1920 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Wm Cummings | Head | — | 45 | ~1885 |
| Clara Cummings | Spouse | — | 40 | ~1890 |
| Clara Cummings | Daughter | — | 14 | ~1916 |
| Dwight Cummings | Son | — | 9 | ~1921 |
| Robert Cummings | Son | — | 10 | ~1920 |
| Harold Cummings | Son | — | 18 | ~1912 |
| Dale Cummings | Son | — | 5 | ~1925 |
Census Appearances
1920
Ada, Idaho
Son, age
Ada, Idaho · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| Given Name | Robert R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Nebraska |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Ada, Idaho
Son, age 10
Ada, Idaho · implied b. ~1920 — 7 household members
| Surname | Cummings |
| Given Name | Robert K |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| 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 Robert Cummings across 2 US Census years (1920 and 1930) in Ada, Idaho, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Cummings
Son · 1930 · age 10 · b. ~1920 · Idaho
★ You are viewing this record
Sibling
Harold Cummings
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dwight Cummings
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Cummings
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Cummings
Sibling · 1930 · age 14
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 — Ada, Idaho
Open full size
1930 US Federal Census — Ada, Idaho
Page Contents
50 people indexed on this census page (ia:1930:15thcensus395unit:0639)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William H Stuart | 62 | Head | Farmer | Iowa |
| 2 | Jennie Stuart | 58 | Wife | — | Iowa |
| 3 | Leslie Stuart | 19 | Son | Mechanic | Idaho |
| 4 | Wm Le Roy Cummings | 45 | Head | Barber | Iowa |
| 5 | Clara L Cummings | 40 | Wife | — | Nebraska |
| 6 | Harold Leroy Cummings | 18 | Son | — | Missouri |
| 7 | Clara L Cummings | 14 | Daughter | — | Arkansas |
| 8 | Robert K Cummings THIS PERSON | 10 | Son | — | Idaho |
| 9 | Dwight L Cummings | 9 | Son | — | Idaho |
| 10 | Dale Philip Cummings | 5 | Son | — | Idaho |
| 11 | William J Selley | 63 | Head | Merchant | Missouri |
| 12 | Alice V Selley | 64 | Wife | — | Missouri |
| 13 | William R Selley | 21 | Son | Salesman | Oregon |
| 14 | James N Dechambeau | 67 | Head | — | French Canada |
| 15 | Elsie Dechambeau | 59 | Wife | — | Idaho |
| 16 | Alta Dechambeau | 21 | Daughter | Clerk | Idaho |
| 17 | Lillian Dechambeau | 17 | Daughter | Clerk | Idaho |
| 18 | Earl Dechambeau | 29 | Head | Stockman | Idaho |
| 19 | Kathryn Dechambeau | 24 | Wife | — | Idaho |
| 20 | Dolores Dechambeau | 1 | Daughter | — | Idaho |
| 21 | Wilbur C Brown | 21 | Head | Farm Laborer | Missouri |
| 22 | Pearl G Brown | 17 | Wife | — | Idaho |
| 23 | Joseph Snow | 28 | Head | Farm Laborer | Arkansas |
| 24 | Maybelle Snow | 22 | Wife | — | Idaho |
| 25 | Charles H Schmelzer | 56 | Head | Farm Laborer | Iowa |
| 26 | Cora E Schmelzer | 56 | Wife | — | Nebraska |
| 27 | Bertha Schmelzer | 14 | Daughter | — | Idaho |
| 28 | Dave Woods | 50 | Head | Merchant | Arkansas |
| 29 | Ellen Woods | 40 | Wife | — | Arkansas |
| 30 | Ruby Woods | 18 | Daughter | — | Idaho |
| 31 | Paul Woods | 16 | Son | — | Idaho |
| 32 | Howard Woods | 13 | Son | — | Idaho |
| 33 | Dorothy Woods | 11 | Daughter | — | Idaho |
| 34 | Donald Woods | 9 | Son | — | Idaho |
| 35 | Bonnie G Woods | 6 | Daughter | — | Idaho |
| 36 | Geraldine Woods | 2 | Daughter | — | Idaho |
| 37 | Eddie Brown | 49 | Head | Servant | Missouri |
| 38 | Wesley Brown | 26 | Son | Farm Laborer | Missouri |
| 39 | Lena Brown | 20 | Daughter | Servant | Washington |
| 40 | Clarence Brown | 16 | Son | — | Washington |
| 41 | Della Brown | 14 | Daughter | — | Washington |
| 42 | Walter Brown | 12 | Son | — | Washington |
| 43 | Georgia Brown | 10 | Son | — | Washington |
| 44 | Henry G Kearns | 40 | Head | Farm Laborer | Oregon |
| 45 | Lillian A Kearns | 39 | Wife | — | Nebraska |
| 46 | Elmer U Kearns | 14 | Son | — | Idaho |
| 47 | Arthur K Kearns | 11 | Son | — | Idaho |
| 48 | Margaret D Kearns | 9 | Daughter | — | Idaho |
| 49 | Veda Fay Kearns | 7 | Daughter | — | Idaho |
| 50 | Vera May Kearns | 5 | Daughter | — | Idaho |
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)