RM
Robert Mccormick — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Columbia, Wisconsin
Our Model Tree links this Robert Mccormick across the 1920 and 1930 US Censuses in Columbia, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 7-person household.
Age 14
b. ~1916
Male
Son
Born: Wisconsin
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Columbia, Wisconsin |
| Surname | McCormick |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Courtland Township |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Clarice Mccormick | Daughter | — | 17 | ~1913 |
| James Mccormick | Head | — | 60 | ~1870 |
| Robert Mccormick | Son | — | 14 | ~1916 |
| Joseph Mccormick | Son | — | 23 | ~1907 |
| Francis Mccormick | Son | — | 24 | ~1906 |
| Margaret Mccormick | Daughter | — | 19 | ~1911 |
| Nora Mccormick | Spouse | — | 47 | ~1883 |
Census Appearances
1920
Columbia, Wisconsin
Son, age 3
Columbia, Wisconsin · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Columbia, Wisconsin
Son, age 14
Columbia, Wisconsin · implied b. ~1916 — 7 household members
| Surname | McCormick |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Mccormick across 2 US Census years (1920 and 1930) in Columbia, Wisconsin, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Mccormick
Son · 1930 · age 14 · b. ~1916 · Wisconsin
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Sibling
Francis Mccormick
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mccormick
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mccormick
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarice Mccormick
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 — Columbia, Wisconsin
Open full size
1930 US Federal Census — Columbia, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2565unit:0405)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Elgert | 24 | Head | Farmer | Wisconsin |
| 52 | Clara Elgert | 24 | Wife | — | Wisconsin |
| 53 | Melvin Elgert | 2 | Son | — | Wisconsin |
| 54 | August Posthuma | 27 | Head | Farmer | Holland |
| 55 | Katie Posthuma | 24 | Wife | — | Wisconsin |
| 56 | Margaret E. Posthuma | 5 | Daughter | — | Wisconsin |
| 57 | Henry Posthuma | 3 | Son | — | Wisconsin |
| 58 | Annetta Posthuma | 2 | Daughter | — | Wisconsin |
| 59 | Julia J. Posthuma | 0 | Daughter | — | Wisconsin |
| 60 | Edward Cowgill | 45 | Head | Farmer | Wisconsin |
| 61 | Richard G. Jones | 56 | Head | Farmer | Wisconsin |
| 62 | Bertha L. Jones | 51 | Wife | Practical Nurse | Wisconsin |
| 63 | Raymond G. Jones | 26 | Son | Laborer | Wisconsin |
| 64 | Richard E. Jones | 25 | Son | Laborer | Wisconsin |
| 65 | Elizabeth E. Jones | 23 | Daughter | — | Wisconsin |
| 66 | David F. Jones | 19 | Son | Laborer | Wisconsin |
| 67 | Dorothy I. Jones | 15 | Daughter | — | Wisconsin |
| 68 | Hayden G. Jones | 13 | Son | — | Wisconsin |
| 69 | David R. Gould | 65 | Head | Farmer | Wisconsin |
| 70 | Grace Gould | 53 | Wife | Yes | Wales |
| 71 | Irvin R. Gould | 28 | Son | Farmer | Wisconsin |
| 72 | Frank E. Tuel | 57 | Head | Farmer | Wisconsin |
| 73 | Frances L. Tuel | 50 | Wife | — | Wisconsin |
| 74 | Vernon J. Tuel | 25 | Son | Farmer | Wisconsin |
| 75 | Lester J. Tuel | 25 | Son | Teacher | Wisconsin |
| 76 | Muriel E. Tuel | 16 | Daughter | — | Wisconsin |
| 77 | Ivel M. Tuel | 13 | Son | — | Wisconsin |
| 78 | Arvel K. Tuel | 13 | Daughter | — | Wisconsin |
| 79 | James Mccormick | 60 | Head | Farmer | Wisconsin |
| 80 | Nora Mccormick | 47 | Wife | — | Wisconsin |
| 81 | Francis E. Mccormick | 24 | Son | Laborer | Wisconsin |
| 82 | Joseph D. Mccormick | 23 | Son | Laborer | Wisconsin |
| 83 | Margaret I. Mccormick | 19 | Daughter | Teacher | Wisconsin |
| 84 | Clarice E. Mccormick | 17 | Daughter | — | Wisconsin |
| 85 | Robert J. Mccormick THIS PERSON | 14 | Son | — | Wisconsin |
| 86 | Walter A. Treptow | 37 | Head | Cheesemaker | Wisconsin |
| 87 | Rose M. Treptow | 28 | Wife | — | Wisconsin |
| 88 | Pearl K. Treptow | 11 | Son | — | Wisconsin |
| 89 | Loraine L. Treptow | 9 | Daughter | — | Wisconsin |
| 90 | William W. Treptow | 5 | Son | — | Wisconsin |
| 91 | Richard W. Treptow | 4 | Son | — | Wisconsin |
| 92 | Robert W. Treptow | 1 | Son | — | Wisconsin |
| 93 | George Sexton | 57 | Head | Farmer | Wisconsin |
| 94 | Alice Sexton | 55 | Wife | — | Wisconsin |
| 95 | Lillian Sexton | 23 | Daughter | — | Wisconsin |
| 96 | Frank Minnema | 40 | Head | Farmer | Holland |
| 97 | Rena Minnema | 36 | Wife | — | Holland |
| 98 | Jennie Minnema | 12 | Daughter | — | Holland |
| 99 | Gertrude Minnema | 6 | Daughter | — | Wisconsin |
| 100 | Lillian Minnema | 4 | Daughter | — | Wisconsin |
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)