RH
Robert Hammond — 1940 US Census Record
Model Tree available1940 United States Federal Census · Franklin-County, Ohio
Our Model Tree links this Robert Hammond across the 1910, 1920, 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1893), then head of a 4-person household.
Age 47
b. ~1893
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Ohio |
| Surname | Hammond |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Occupation | treasurer |
| Industry | mfg. publishing |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 4800 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Treasurer |
| Township / Ward | Columbus |
| Est. Birth Year | ~1893 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Hammond | Son | — | 10 | ~1930 |
| Robert Hammond | Head | — | 47 | ~1893 |
| William Hammond | Son | — | 8 | ~1932 |
| Armina Hammond | Spouse | — | 42 | ~1898 |
Census Appearances
1910
Franklin, Ohio
Son, age 16
Franklin, Ohio · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Scholar |
| Industry | School |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Franklin, Ohio
Son, age 25
Franklin, Ohio · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Chauffeur |
| Industry | Grocery Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Franklin, Ohio
Son, age 35
Franklin, Ohio · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Truck Driver |
| Industry | Grocery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Franklin-County, Ohio
Head, age 47
Franklin-County, Ohio · implied b. ~1893 — 4 household members
| Surname | Hammond |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Occupation | treasurer |
| Industry | mfg. publishing |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 4800 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| 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 Hammond across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Hammond (~0.92 confidence) and father John Hammond (~0.92 confidence) and mother David Hammond (~0.92 confidence) and mother Sarah Hammond (~0.92 confidence) and mother Sarah Hammond (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Hammond
b. ~1859
Source father
● Household
· direct · ~0.92
Father
John Hammond
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
David Hammond
b. ~1864
Source mother
● Household
· direct · ~0.92
Mother
Sarah Hammond
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Sarah Hammond
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Hammond
Head · 1940 · age 47 · b. ~1893 · 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 — Franklin-County, Ohio
Open full size
1940 US Federal Census — Franklin-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03243-00055)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clara Clemens | 71 | Wife | — | Ohio |
| 42 | Bernice Pulling | 46 | Niece | — | Ohio |
| 43 | Mabel H. Cruickshank | 62 | Head | Real Estate | Ohio |
| 44 | Robert H. Cruickshank | 41 | Son | Salesman | Ohio |
| 45 | Harry B. Cruickshank | 32 | Son | Salesman | Ohio |
| 46 | Robert H. Jr. Cruickshank | 22 | Grandson | Clerk | Ohio |
| 47 | Anne Ribou | 46 | Servant | Housekeeper | Ohio |
| 48 | William Bates | 41 | Head | Janitor | Alabama |
| 49 | Ella Bates | 37 | Wife | Housekeeper | S. Carolina |
| 50 | Ellsworth Laws | 26 | Brother-in-law | House-Cleaner | S. Carolina |
| 51 | Suvenia Laws | 21 | Sister-in-law | House-Keeper | S. Carolina |
| 52 | Homer Knowles | 61 | Head | Baker | Ohio |
| 53 | Lyda Knowles | 57 | Wife | — | Delaware |
| 54 | Homer Lee Knowles | 35 | Son | Lawyer | Ohio |
| 55 | William Larrimore | 72 | Head | — | Ohio |
| 56 | Pearl Hewitt | 49 | Daughter | — | Ohio |
| 57 | William Hewitt | 26 | Grandson | Salesman | Ohio |
| 58 | Jessie Marriott | 68 | Lodger | — | Illinois |
| 59 | Robert Hammond THIS PERSON | 47 | Head | Treasurer | Ohio |
| 60 | Armina Hammond | 42 | Wife | — | Ohio |
| 61 | Robert Jr. Hammond | 10 | Son | — | Ohio |
| 62 | William Hammond | 8 | Son | — | Ohio |
| 63 | Carr Dix | 28 | Head | Medical | Ohio |
| 64 | Helen Dix | 25 | Wife | — | Ohio |
| 65 | Andre Lane | 24 | Lodger | Stenographer | Ohio |
| 66 | Glenn Mason | 70 | Head | Traveling Salesman | Ohio |
| 67 | Emma Mason | 78 | Wife | — | Ohio |
| 68 | Harry D. Wallace | 68 | Head | — | Ohio |
| 69 | Elsa Wallace | 50 | Wife | — | Ohio |
| 70 | Bruce Wallace | 32 | Son | — | Ohio |
| 71 | Robert G. Wallace | 28 | Son | Service Man | Ohio |
| 72 | Audrey Wallace | 16 | Daughter | — | Ohio |
| 73 | Herbert R. Vance | 52 | Head | Salesman | Ohio |
| 74 | Ethel M. Vance | 50 | Wife | — | Ohio |
| 75 | Rowland Vance | 20 | Son | — | Ohio |
| 76 | Eleanor Vance | 17 | Daughter | — | Ohio |
| 77 | Edward D. Smith | 61 | Head | Salesman | Ohio |
| 78 | Isabel Smith | 54 | Wife | — | Ohio |
| 79 | David Craig | 37 | Head | Lawyer | Ohio |
| 80 | Ann Craig | 32 | Wife | — | Ohio |
Pedigree Summary
Robert
Gen 1 · 5 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)