RC
Robert Cummings — 1930 US Census Record
Model Tree available1930 United States Federal Census · Sedgwick, Colorado
Our Model Tree links this Robert Cummings across the 1920, 1930 and 1940 US Censuses in Sedgwick, Colorado (XGBoost, ~Confirmed), with identified parents John & Anna — first a son (b.~1918), then head of a 9-person household.
Age 12
b. ~1918
Male
Son
Born: Nebraska
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Sedgwick, Colorado |
| Surname | Cummings |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Nebraska |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Precinct 7 |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Vernon Cummings | Son | — | 4 | ~1926 |
| Kenneth Cummings | Son | — | 7 | ~1923 |
| John Cummings | Head | — | 43 | ~1887 |
| Dean Cummings | Son | — | 10 | ~1920 |
| Rosella Cummings | Daughter | — | 17 | ~1913 |
| Robert Cummings | Son | — | 12 | ~1918 |
| John Cummings | Son | — | 19 | ~1911 |
| Anna Cummings | Spouse | — | 39 | ~1891 |
| Emerson Cummings | Son | — | 16 | ~1914 |
Census Appearances
1920
Sedgwick, Colorado
Son, age 2
Sedgwick, Colorado · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cumming |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Nebraska |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Sedgwick, Colorado
Son, age 12
Sedgwick, Colorado · implied b. ~1918 — 9 household members
| Surname | Cummings |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Sedgwick-County, Colorado
Head, age 23
Sedgwick-County, Colorado · implied b. ~1917 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cumming |
| Given Name | Robert I |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Sedgwick |
| Occupation | Peddler |
| Industry | Major Oil Co |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1200 |
| Highest Grade | H 1 |
| 1935 Residence | Colorado |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Cummings (~0.92 confidence) and mother Anna Cumming (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Cummings
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Anna Cumming
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Cummings
Son · 1930 · age 12 · b. ~1918 · Colorado
★ You are viewing this record
Sibling
John Cummings
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dean Cummings
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Cummings
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernon Cummings
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emerson Cummings
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosella Cummings
Sibling · 1930 · age 17
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 — Sedgwick, Colorado
Open full size
1930 US Federal Census — Sedgwick, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus250unitrs:0562)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bertha Wagner | 46 | Head | Farmer | Nebraska |
| 2 | Wilma Wagner | 18 | Daughter | — | Colorado |
| 3 | Ruth Wagner | 16 | Daughter | Laborer | Colorado |
| 4 | Wayne Wagner | 14 | Son | Laborer | Colorado |
| 5 | William Sattler | 49 | Head | Farmer | Germany |
| 6 | Freda Sattler | 28 | Wife | — | Germany |
| 7 | Ella Sattler | 18 | Daughter | Laborer | Colorado |
| 8 | Hertha Sattler | 16 | Daughter | — | Colorado |
| 9 | Eva Sattler | 15 | Daughter | — | Colorado |
| 10 | Eric Sattler | 13 | Son | — | Colorado |
| 11 | William Sattler | 11 | Son | — | Colorado |
| 12 | Freda Sattler | 8 | Daughter | — | Colorado |
| 13 | Harry Sattler | 4 | Son | — | Colorado |
| 14 | Herman Busse | 40 | Head | Farmer | Ohio |
| 15 | Emma Busse | 38 | Wife | — | Nebraska |
| 16 | Edward Busse | 15 | Son | Laborer | Nebraska |
| 17 | Claritta Busse | 13 | Daughter | — | Nebraska |
| 18 | Dale Busse | 9 | Son | — | Nebraska |
| 19 | Dean Busse | 5 | Son | — | Nebraska |
| 20 | Charles E. Mast | 49 | Head | Farmer | Iowa |
| 21 | Minnie F. Mast | 48 | Wife | — | Nebraska |
| 22 | Beryl Mast | 22 | Daughter | Clerk | Nebraska |
| 23 | Frank Pollenhagen | 31 | Head | Farmer | Kansas |
| 24 | Clara Pollenhagen | 21 | Wife | — | Nebraska |
| 25 | Carl J. Pollenhagen | 42 | Head | Farmer | Kansas |
| 26 | Ella Pollenhagen | 40 | Wife | — | Kansas |
| 27 | Carolyn Pollenhagen | 15 | Daughter | — | Colorado |
| 28 | Norbie Pollenhagen | 7 | Son | — | Colorado |
| 29 | Mary Pollenhagen | 64 | Head | Farmer | Germany |
| 30 | Edward Pollenhagen | 28 | Son | Laborer | Kansas |
| 31 | Carl E. Pollenhagen | 25 | Son | Laborer | Kansas |
| 32 | Raymond Pollenhagen | 23 | Son | Laborer | Kansas |
| 33 | William Strasser | 25 | Head | Farmer | Germany |
| 34 | Freda Strasser | 26 | Wife | — | Germany |
| 35 | John Cummings | 43 | Head | Farmer | Scotland |
| 36 | Anna Cummings | 39 | Wife | — | Nebraska |
| 37 | John Cummings | 19 | Son | Laborer | Nebraska |
| 38 | Rosella Cummings | 17 | Daughter | — | Nebraska |
| 39 | Emerson Cummings | 16 | Son | Laborer | Nebraska |
| 40 | Robert Cummings THIS PERSON | 12 | Son | — | Nebraska |
| 41 | Dean Cummings | 10 | Son | — | Colorado |
| 42 | Kenneth Cummings | 7 | Son | — | Colorado |
| 43 | Vernon Cummings | 4 | Son | — | Colorado |
| 44 | Henry A. Michael | 42 | Head | Farmer | Nebraska |
| 45 | Eva M. Michael | 40 | Wife | — | Nebraska |
| 46 | Harold Michael | 16 | Son | — | Nebraska |
| 47 | Glenn Michael | 14 | Son | — | Nebraska |
| 48 | Lloyd Michael | 12 | Son | — | Nebraska |
| 49 | Deane Michael | 9 | Son | — | Nebraska |
| 50 | Marvin Michael | 2 | Son | — | Colorado |
Pedigree Summary
Robert + 6 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)