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Robert Gregory — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Robert Gregory across the 1910, 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Nicholas & Nicholas — first a son (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Gregory |
| Given Name | Robert H. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | teller |
| Industry | bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1320 |
| Highest Grade | No H-2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Teller |
| Township / Ward | Cincinnati |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Gregory | Son | — | 31 | ~1909 |
| Nicholas Gregory | Head | — | 70 | ~1870 |
| Mary Gregory | Spouse | — | 62 | ~1878 |
Census Appearances
1910
Hamilton, Ohio
Son, age
Hamilton, Ohio · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gregory |
| Given Name | Robert H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Hamilton, Ohio
Son, age 11
Hamilton, Ohio · implied b. ~1909
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Gregory |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 21
Hamilton, Ohio · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gregory |
| Given Name | Robert N |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Book Keeper |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Son, age 31
Hamilton-County, Ohio · implied b. ~1909 — 3 household members
| Surname | Gregory |
| Given Name | Robert H. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | teller |
| Industry | bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1320 |
| Highest Grade | No H-2 |
| 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 Gregory across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nicholas Gregory (~0.92 confidence) and father Nicholas Gregory (~0.92 confidence) and mother Mary Gregory (~0.92 confidence) and mother Mary Gregory (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nicholas Gregory
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Nicholas Gregory
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mary Gregory
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mary Gregory
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Gregory
Son · 1940 · age 31 · b. ~1909 · Ohio
★ You are viewing this record
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
40 people indexed on this census page (nara:1940:m-t0627-03188-00220)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice Johnson | 48 | daughter | Stenographer | Ohio |
| 42 | Theresa Hempel | 75 | head | — | Kentucky |
| 43 | Joseph Casey | 47 | son | Patrolman | Ohio |
| 44 | Frederick G. Wielif | 54 | head | Iron Molder | Germany |
| 45 | Katherine Wielif | 58 | wife | — | Ohio |
| 46 | Daniel Nieman | 79 | 2nd cousin | — | Ohio |
| 47 | Mary G. Carroll | 49 | head | Cook | Ohio |
| 48 | Eleanor Carroll | 19 | daughter | Junior Clerk Typist | New Jersey |
| 49 | Edward G. Volk | 34 | head | Delivery Truck Driver | Ohio |
| 50 | Teresa Volk | 29 | wife | Clothing Inspector | Ohio |
| 51 | Nicholas G. Gregory | 70 | head | — | Ohio |
| 52 | Mary B. Gregory | 62 | wife | — | Ohio |
| 53 | Robert H. Gregory THIS PERSON | 31 | son | Teller | Ohio |
| 54 | William H. Thesing | 60 | head | Motorman | Ohio |
| 55 | Nellie C. B. Thesing | 54 | wife | — | Ohio |
| 56 | Louis Moorman | 63 | head | Dry Cleaner | Ohio |
| 57 | Katherine Moorman | 61 | wife | — | Ohio |
| 58 | Alice G. Grover | 45 | head | Stenographer | Ohio |
| 59 | Richard Grover | 19 | son | Ice Cream Maker | Ohio |
| 60 | Gustave K. Bohr | 50 | head | Foreman | Germany |
| 61 | Dorothy G. Bohr | 41 | wife | — | Colorado |
| 62 | Gustave Jr. Bohr | 11 | son | — | Illinois |
| 63 | Frederick Bohr | 6 | son | — | Massachusetts |
| 64 | Dorothy Bohr | 5 | daughter | — | Massachusetts |
| 65 | Theodore A. G. Christen | 72 | head | — | Switzerland |
| 66 | Meta G. Caviezel | 32 | niece | — | Switzerland |
| 67 | Suzanne G. Bishop | 74 | friend family | — | Ohio |
| 68 | Harry R. G. Fee | 37 | head | Stationery Operator | Ohio |
| 69 | Fannie Fee | 30 | wife | — | New York |
| 70 | George Fee | 1 | son | — | Ohio |
| 71 | Mina L. Franke | 47 | head | Bookkeeper | Kentucky |
| 72 | Mae B. Taylor | 42 | lodger | Beauty Operator | Ohio |
| 73 | James Henry Duncan | 82 | head | General Office | Kentucky |
| 74 | Emily B. Duncan | 61 | wife | Office | Ohio |
| 75 | William G. Condon | 65 | head | Broker Salesman | Ohio |
| 76 | Gertrude Condon | 57 | wife | — | Illinois |
| 77 | Morris Rosenthal | 66 | head | Agency Mgr | Germany |
| 78 | Grace Rosenthal | 64 | wife | — | Ohio |
| 79 | William Diebenthaler | 67 | head | Janitor | Ohio |
| 80 | Julia Diebenthaler | 58 | wife | — | Indiana |
Pedigree Summary
Robert
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 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)