RM
Robert Mccormick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Summit-County, Ohio
Our Model Tree links this Robert Mccormick across the 1930 and 1940 US Censuses in Summit-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Summit-County, Ohio |
| Surname | McCormick |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Akron |
| 1935 Residence (County) | Summit |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Akron |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| William Mccormick | Son | — | 22 | ~1918 |
| Edward Mccormick | Head | — | 58 | ~1882 |
| John Mccormick | Son | — | 7 | ~1933 |
| Robert Mccormick | Son | — | 13 | ~1927 |
| Earl Mccormick | Son | — | 19 | ~1921 |
| Ruth Mccormick | Daughter | — | 15 | ~1925 |
| Beatrice Mccormick | Spouse | — | 47 | ~1893 |
| Paul Mccormick | Son | — | 20 | ~1920 |
Census Appearances
1930
Summit, Ohio
Son, age 3
Summit, Ohio · implied b. ~1927 — 7 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 | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Summit-County, Ohio
Son, age 13
Summit-County, Ohio · implied b. ~1927 — 8 household members
| Surname | McCormick |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Akron |
| 1935 Residence (County) | Summit |
| Industry | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Mccormick
Son · 1940 · age 13 · b. ~1927 · Ohio
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Sibling
Ruth Mccormick
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Mccormick
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mccormick
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccormick
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Mccormick
Sibling · 1940 · age 19
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
1940 US Federal Census — Summit-County, Ohio
Open full size
1940 US Federal Census — Summit-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03177-00744)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jean Semelsberger | 15 | Daughter | — | Pennsylvania |
| 2 | Marilyn Semelsberger | 13 | Son | — | Pennsylvania |
| 3 | Charles W Cook | 39 | Head | Tire Builder | West Virginia |
| 4 | Elsie B Cook | 38 | Wife | Tuber Room | West Virginia |
| 5 | Eugene Cook | 13 | Son | — | West Virginia |
| 6 | Cora D Reynolds | 41 | Head | Scheduling | West Virginia |
| 7 | Blair Reynolds | 20 | Son | New Worker | West Virginia |
| 8 | Steve Kostoff | 55 | Head | Laborer | Greece |
| 9 | Vassah Kostoff | 53 | Wife | — | Jugoslavia |
| 10 | Maude Krah | 43 | Head | Rubber Worker | West Virginia |
| 11 | Raymond Krah | 22 | Son | New Worker | Ohio |
| 12 | Lucetta Krah | 15 | Daughter | New Worker | Pennsylvania |
| 13 | Samuel A Reels | 80 | Head | — | Pennsylvania |
| 14 | Mattie Reels | 58 | Wife | — | Tennessee |
| 15 | William E Hoffman | 42 | Head | Bead Room | West Virginia |
| 16 | Mary M Hoffman | 34 | Wife | — | West Virginia |
| 17 | Mary M Hoffman | 3 | Daughter | — | Ohio |
| 18 | Elizabeth Snyder | 45 | Head | Rubber Worker | Kentucky |
| 19 | Peter Vukelich | 56 | Head | Proprietor | Jugoslavia |
| 20 | Mary A Vukelich | 46 | Wife | Saleslady | Jugoslavia |
| 21 | Mary Malatky | 66 | Mother in law | — | Jugoslavia |
| 22 | John Malatky | 30 | Brother in law | Attendant | Ohio |
| 23 | Edward W Mccormick | 58 | Head | Rubber Prep Worker | Pennsylvania |
| 24 | Beatrice Mccormick | 47 | Wife | — | Pennsylvania |
| 25 | William Mccormick | 22 | Son | Apprentice Shoulder | Pennsylvania |
| 26 | Paul Mccormick | 20 | Son | — | Ohio |
| 27 | Earl Mccormick | 19 | Son | Coat Checker | Ohio |
| 28 | Ruth Mccormick | 15 | Daughter | — | Ohio |
| 29 | Robert Mccormick THIS PERSON | 13 | Son | — | Ohio |
| 30 | John Mccormick | 7 | Son | — | Ohio |
| 31 | Floyd Lowe | 31 | Head | Rubber Worker | West Virginia |
| 32 | Virgie Lowe | 26 | Wife | — | West Virginia |
| 33 | Claudia J Lowe | 4 | Daughter | — | Ohio |
| 34 | John Savicky | 48 | Head | Rubber Worker | Czechoslovakia |
| 35 | Anna Savicky | 40 | Wife | Laborer | New York |
| 36 | """John """"Ab""""""" Savicky | 19 | Son | New Worker | Ohio |
| 37 | Bob Savicky | 16 | Son | Bin Boy | Ohio |
| 38 | Demith Petroff | 50 | Head | Proprietor | Greece |
| 39 | Rhyna Petroff | 35 | Wife | — | Jugoslavia |
| 40 | Mida Petroff | 17 | Daughter | — | Ohio |
Related Census Records
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)