JD
James Dempsey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Franklin-County, Ohio
Our Model Tree links this James Dempsey across the 1920, 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed), with identified parents Sam & Samuel — first a son (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Ohio |
| Surname | Dempsey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Occupation | salesman |
| Industry | Auto |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2620 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Salesman |
| Township / Ward | Columbus |
| Est. Birth Year | ~1907 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Samuel Dempsey | Head | — | 59 | ~1881 |
| Donna Dempsey | Daughter | — | 30 | ~1910 |
| Etta Dempsey | Spouse | — | 58 | ~1882 |
| Hattie Dempsey | Other | — | 67 | ~1873 |
| James Dempsey | Son | — | 33 | ~1907 |
Census Appearances
1920
Franklin, Ohio
Son, age 13
Franklin, Ohio · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dempsey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Franklin, Ohio
Son, age 23
Franklin, Ohio · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dempsey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Occupation | Book Keeper |
| Industry | Mining Machinery Manufacturing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Franklin-County, Ohio
Son, age 33
Franklin-County, Ohio · implied b. ~1907 — 5 household members
| Surname | Dempsey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Occupation | salesman |
| Industry | Auto |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2620 |
| Highest Grade | C 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 James Dempsey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Sam Dempsey (~0.92 confidence) and father Samuel Dempsey (~0.92 confidence) and mother Etta Dempsey (~0.92 confidence) and mother Etta Dempsey (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sam Dempsey
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Samuel Dempsey
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Etta Dempsey
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Etta Dempsey
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Dempsey
Son · 1940 · age 33 · b. ~1907 · Ohio
★ You are viewing this record
Sibling
Donna Dempsey
Sibling · 1940 · age 30
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 — 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-t0627-03245-00977)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bess Meyers | 57 | Wife | Saleswoman | Ohio |
| 42 | Stanley Kashanowski | 27 | Head | Chemist | Canada |
| 43 | Pearl Kashanowski | 25 | Wife | No | Pennsylvania |
| 44 | Stanley Jr. Kashanowski | 3 | Son | — | Ohio |
| 45 | John G. Marsh | 39 | Head | Mech. Engineer | Indiana |
| 46 | Mabell Marsh | 33 | Wife | No | Ohio |
| 47 | John Harper | 52 | Head | Salesman | Ohio |
| 48 | E. Leona Harper | 52 | Wife | Shoemaker | Ohio |
| 49 | Theodore Neff | 33 | Head | Mechanic | Ohio |
| 50 | Ethel K. Neff | 30 | Wife | Office | Ohio |
| 51 | Harry Alden | 48 | Head | Postal Clerk | Michigan |
| 52 | Addie Alden | 44 | Wife | No | Virginia |
| 53 | Rollie Alden | 18 | Son | New Worker | Michigan |
| 54 | Paul Alden | 15 | Son | — | Michigan |
| 55 | Samuel Dempsey | 59 | Head | Machinist | Pennsylvania |
| 56 | Etta Dempsey | 58 | Wife | No | Ohio |
| 57 | James Dempsey THIS PERSON | 33 | Son | Salesman | Ohio |
| 58 | Donna Dempsey | 30 | Daughter | Typist | Ohio |
| 59 | Hattie Dempsey | 67 | Sister | No | Ohio |
| 60 | Israel Wise | 40 | Head | Fireman | Ohio |
| 61 | Mildred Wise | 39 | Wife | No | Ohio |
| 62 | Kathernan Jane Wise | 18 | Daughter | Typist | Ohio |
| 63 | Kathernan Joan Wise | 17 | Daughter | No | Ohio |
| 64 | Carol Ann Wise | 9 | Daughter | — | Ohio |
| 65 | Ralph Evans | 44 | Head | Cutter | Ohio |
| 66 | Betty Evans | 43 | Wife | Saleslady | Virginia |
| 67 | Paul Rauderer | 48 | Head | Manager | Ohio |
| 68 | Dorothy Rauderer | 41 | Wife | Marker | Michigan |
| 69 | Manuel Miller | 50 | Head | Supervisor | Ohio |
| 70 | Inez Miller | 49 | Wife | Manager | Ohio |
| 71 | Harry Miller | 18 | Son | — | Ohio |
| 72 | Robert Miller | 36 | Head | Bookkeeper | Ohio |
| 73 | Bernice M. Miller | 39 | Wife | Machine Operator | Ohio |
| 74 | Earl Brownlee | 42 | Head | Truck Driver | Ohio |
| 75 | Josephine Brownlee | 38 | Wife | Seamstress | Ohio |
| 76 | Theodore Puttner | 39 | Head | Engineer | Ohio |
| 77 | Irene Puttner | 40 | Wife | No | Ohio |
| 78 | Leonard Streng | 60 | Head | Janitor | Ohio |
| 79 | Forrest Streng | 34 | Son | Truck Driver | Ohio |
| 80 | Elizabeth S. Streng | 32 | Daughter | No | Ohio |
Pedigree Summary
James + 1 sibling
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)