RC
Robert Cox — 1930 US Census Record
Model Tree available1930 United States Federal Census · Macoupin, Illinois
Our Model Tree links this Robert Cox across the 1910, 1920 and 1930 US Censuses in Macoupin, Illinois (XGBoost, ~Confirmed), with identified parents H & Winford — first a son (b.~1909), then head of a 6-person household.
Age 21
b. ~1909
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Macoupin, Illinois |
| Surname | Cox |
| Given Name | Robert Nelson |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Mt Olive Township |
| Est. Birth Year | ~1909 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Idell Cox | Daughter | — | 15 | ~1915 |
| Jeanette Cox | Daughter | — | 17 | ~1913 |
| Winifred Cox | Head | — | 48 | ~1882 |
| Glen Cox | Son | — | 25 | ~1905 |
| Robert Cox | Son | — | 21 | ~1909 |
| Bertha Cox | Spouse | — | 45 | ~1885 |
Census Appearances
1910
Macoupin, Illinois
Son, age 2
Macoupin, Illinois · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Robby |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Macoupin, Illinois
Son, age 12
Macoupin, Illinois · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Robert R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Macoupin, Illinois
Son, age 21
Macoupin, Illinois · implied b. ~1909 — 6 household members
| Surname | Cox |
| Given Name | Robert Nelson |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Cox across 3 US Census years (1910, 1920 and 1930) in Macoupin, Illinois, using XGBoost record linkage. Identified parents: father H Cox (~0.92 confidence) and father Winford Cox (~0.92 confidence) and father Winifred Cox (~0.92 confidence) and mother Bertha Cox (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
H Cox
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Winford Cox
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Winifred Cox
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Bertha Cox
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Cox
Son · 1930 · age 21 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
Idell Cox
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Cox
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glen Cox
Sibling · 1930 · age 25
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 — Macoupin, Illinois
Open full size
1930 US Federal Census — Macoupin, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel540:0175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Herman Roehl | 36 | Head | Miner | Illinois |
| 52 | Anna Roehl | 36 | Wife | — | Illinois |
| 53 | Wesley Reiser | 16 | Step Son | Laborer | Illinois |
| 54 | Glen Reiser | 11 | Step Son | — | Illinois |
| 55 | Winifred Cox | 48 | Head | Farmer | Illinois |
| 56 | Bertha May Cox | 45 | Wife | — | Illinois |
| 57 | Glen Cox | 25 | Son | — | Illinois |
| 58 | Robert Nelson Cox THIS PERSON | 21 | Son | — | Illinois |
| 59 | Jeanette Cox | 17 | Daughter | — | Illinois |
| 60 | Idell Cox | 15 | Daughter | — | Illinois |
| 61 | Frank Flotecheck | 49 | Head | Miner | Czechoslovakia |
| 62 | Mary Flotecheck | 46 | Wife | — | Czechoslovakia |
| 63 | Eugene Flotecheck | 23 | Son | Miner | Illinois |
| 64 | Emil Flotecheck | 20 | Son | Miner | Illinois |
| 65 | William Flotecheck | 14 | Son | — | Illinois |
| 66 | Rudolph Flotecheck | 12 | Son | — | Illinois |
| 67 | Lorene Flotecheck | 8 | Daughter | — | Illinois |
| 68 | Peter Ballerius | 42 | Head | Miner | Illinois |
| 69 | Glenna Ballerius | 36 | Wife | — | Illinois |
| 70 | Dona Ballerius | 18 | Daughter | — | Illinois |
| 71 | Dearduff Ballerius | 16 | Son | — | Illinois |
| 72 | Adell Ballerius | 10 | Daughter | — | Illinois |
| 73 | Glenna Ballerius | 3 | Daughter | — | Illinois |
| 74 | Peter Jr Ballerius | 3 | Son | — | Illinois |
| 75 | Christopher Cox | 37 | Head | Miner | Illinois |
| 76 | Margaret Cox | 32 | Wife | — | Illinois |
| 77 | Fern Cox | 12 | Daughter | — | Illinois |
| 78 | Raymond Cox | 11 | Son | — | Illinois |
| 79 | Della May Cox | 9 | Daughter | — | Illinois |
| 80 | Mildred Cox | 7 | Daughter | — | Illinois |
| 81 | Alice Marie Cox | 4 | Daughter | — | Illinois |
| 82 | William Hermann | 46 | Head | Farmer | Illinois |
| 83 | Melvin Hermann | 5 | Son | — | Illinois |
| 84 | Norman Hermann | 2 | Son | — | Illinois |
| 85 | Mabel Hermann | 17 | Niece | — | Illinois |
| 86 | Paul Ludwig | 45 | Head | Miner | Germany |
| 87 | Arthur Thimsen | 40 | Head | Miner | Illinois |
| 88 | Tillie Thimsen | 37 | Wife | — | Illinois |
| 89 | Clint Thimsen | 15 | Son | — | Illinois |
| 90 | Dorothy Thimsen | 10 | Daughter | — | Illinois |
| 91 | Lawrence Sunburger | 37 | Head | Miner | Illinois |
| 92 | Anna Sunburger | 34 | Wife | — | Illinois |
| 93 | Lawrence Jr Sunburger | 5 | Son | — | Illinois |
| 94 | Bernard Sunburger | 2 | Son | — | Illinois |
| 95 | Martha Heien | 42 | Head | — | Illinois |
| 96 | Gilbert Dieterman | 15 | Boarder | — | Illinois |
| 97 | Jessie Heien | 17 | Daughter | — | Illinois |
| 98 | Walter Bauer | 41 | Head | Miner | Illinois |
| 99 | Martha Bauer | 36 | Wife | — | Germany |
| 100 | Anna Bauer | 79 | Mother | — | Germany |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 4 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)