RM
Robert Mccormick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Robert Mccormick across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 6-person household.
Age 45
b. ~1895
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | McCormick |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Employer |
| Industry | Coal Operator |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 156 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Employer |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1895 |
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 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Agnes Foley | Other | — | 27 | ~1913 |
| Robert Mccormick | Head | — | 45 | ~1895 |
| Robert Mccormick | Son | — | 14 | ~1926 |
| Mary Mccormick | Spouse | — | 45 | ~1895 |
| Ann Mccormick | Daughter | — | 12 | ~1928 |
| Anna Hubbard | Other | — | 65 | ~1875 |
Census Appearances
1920
Hamilton, Ohio
Other, age 25
Hamilton, Ohio · implied b. ~1895 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormack |
| Given Name | Robert |
| Relationship to Head | lodger |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Salesman |
| Industry | Coal Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Hamilton, Ohio
Head, age 35
Hamilton, Ohio · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 27 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Salesman |
| Industry | Automobiles |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 70 |
| Radio Set | R |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Hamilton-County, Ohio
Head, age 45
Hamilton-County, Ohio · implied b. ~1895 — 6 household members
| Surname | McCormick |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | Employer |
| Industry | Coal Operator |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 156 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Robert Mccormick
Head · 1940 · age 45 · b. ~1895 · Ohio
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03196-00185)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John D. Wolf | 61 | Head | Driver | Ohio |
| 42 | Rose Wolf | 61 | Wife | — | Ohio |
| 43 | Henrietta E. Wolf | 34 | Daughter | Seamstress | Ohio |
| 44 | Rosella M. Wolf | 27 | Daughter | Typist | Ohio |
| 46 | Victor U. Pedretti | 62 | Head | Wood-Carver | Italy |
| 47 | Eugenia M. Pedretti | 66 | Wife | — | Ohio |
| 48 | Mildred C. Pedretti | 28 | Daughter | Employee | Ohio |
| 49 | Rose Conrey | 80 | Head | — | Ohio |
| 50 | Grace M. Draper | 42 | Head | — | Illinois |
| 51 | Anna T. Pfeifer | 61 | Housekeeper | House Keeper | Ohio |
| 52 | Pearl C. Adams | 57 | Nurse | Nurse | Ohio |
| 53 | Robert H. Katte | 40 | Head | Doctor | Ohio |
| 54 | Helen E. Katte | 33 | Wife | — | Ohio |
| 55 | Amelia E. Katte | 5 | Daughter | — | Ohio |
| 56 | Elizabeth N. Katte | 2 | Daughter | — | Ohio |
| 57 | Lloyd B. Johnston | 45 | Head | Doctor | South Dakota |
| 58 | Lucille E. Johnston | 41 | Wife | — | Pennsylvania |
| 59 | Brent L. Johnston | 11 | Son | — | Ohio |
| 60 | James R. Johnston | 10 | Son | — | Ohio |
| 61 | Thomas L. Johnston | 7 | Son | — | Ohio |
| 62 | Helen M. Kellum | 31 | Nurse | Nurse | Ohio |
| 63 | Elizabeth E. Currence | 27 | Cook | Cook | West Virginia |
| 64 | Province M. Pogue | 74 | Head | Employer | Kentucky |
| 65 | Rachel H. Addenbrooke | 52 | House-Keeper | House Keeper | Wisconsin |
| 66 | Annie C. Brady | 38 | Maid | Maid | Georgia |
| 67 | Francis T. Spalding | 41 | Head | Engineer | Massachusetts |
| 68 | Marguerite G. Spalding | 43 | Wife | — | Ohio |
| 69 | Carol J. Spalding | 6 | Daughter | — | Ohio |
| 70 | Frederick L. Shaffer | 37 | Head | Employer | Ohio |
| 71 | Margo M. Shaffer | 34 | Wife | — | Ohio |
| 72 | Frederick L. Jr. Shaffer | 11 | Son | — | Ohio |
| 73 | Peggy M. Shaffer | 2 | Daughter | — | Ohio |
| 74 | Mildred M. Peters | 19 | Maid | Maid | Kentucky |
| 75 | Robert H. Mccormick THIS PERSON | 45 | Head | Employer | Virginia |
| 76 | Mary H. Mccormick | 45 | Wife | — | Kentucky |
| 77 | Ann R. Mccormick | 12 | Daughter | — | Ohio |
| 78 | Robert H. Jr. Mccormick | 14 | Son | — | Ohio |
| 79 | Anna C. Hubbard | 65 | Mother-in-law | — | Texas |
| 80 | Agnes C. Foley | 27 | Maid | Maid | Kentucky |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)