JC
Joseph Carroll — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Joseph Carroll across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a head (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Carroll |
| Given Name | Joseph |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | millwright |
| Industry | Metal furnishing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | Hs 2 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Millwright |
| Township / Ward | Montgomery |
| Est. Birth Year | ~1900 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Carroll | Son | — | 4 | ~1936 |
| Joseph Carroll | Head | — | 40 | ~1900 |
| Dorothy Carroll | Daughter | — | 10 | ~1930 |
| Ruth Carroll | Daughter | — | 16 | ~1924 |
| Nancy Carroll | Daughter | — | 8 | ~1932 |
| Pattie Carroll | Daughter | — | 2 | ~1938 |
| Minnie Carroll | Spouse | — | 39 | ~1901 |
| Mary Carroll | Daughter | — | 13 | ~1927 |
Census Appearances
1920
Hamilton, Ohio
Son, age 19
Hamilton, Ohio · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Occupation | Machinist |
| Industry | Tool Wks |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 29
Hamilton, Ohio · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Joseph A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Occupation | Manager |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Head, age 40
Hamilton-County, Ohio · implied b. ~1900 — 8 household members
| Surname | Carroll |
| Given Name | Joseph |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hamilton |
| Occupation | millwright |
| Industry | Metal furnishing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | Hs 2 |
| 1935 Residence | Ohio |
| 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 Joseph Carroll across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Carroll (~0.92 confidence) and father Joseph Carroll (~0.92 confidence) and mother Anna Carroll (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Carroll
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Joseph Carroll
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Anna Carroll
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Carroll
Head · 1940 · age 40 · b. ~1900 · 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-t0627-03080-00423)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice Rasch | 40 | daughter | Stitcher | Ohio |
| 42 | Gene Rasch | 23 | son | Air Condition | Ohio |
| 43 | Clara Rasch | 19 | daughter | Waitress | Ohio |
| 44 | Marvin Rasch | 16 | son | — | Ohio |
| 45 | Albert Jacobson | 40 | lodger | Truck Driver | New York |
| 46 | Charles Richardson | 23 | head | Meter Man | Ohio |
| 47 | Elizabeth Richardson | 20 | wife | — | Ohio |
| 48 | P. Gut Richardson | 1 | son | — | Ohio |
| 49 | Frank Maxfield | 37 | head | Research Chemist | Illinois |
| 50 | Marian Maxfield | 33 | wife | — | Michigan |
| 51 | Joyce Maxfield | 10 | daughter | — | Michigan |
| 52 | Thomas Maxfield | 9 | son | — | Ohio |
| 53 | Marlene Maxfield | 2 | daughter | — | Ohio |
| 54 | David Maxfield | 0 | son | — | Ohio |
| 55 | John J. Williams | 32 | head | Clerk | Ohio |
| 56 | Dorothy Williams | 31 | wife | — | Ohio |
| 57 | Gerald Williams | 8 | son | — | Ohio |
| 58 | Sandra Williams | 7 | daughter | — | Ohio |
| 59 | John Williams | 4 | son | — | Ohio |
| 60 | Marcia Williams | 2 | daughter | — | Ohio |
| 61 | Edgar Ralston | 55 | head | Superintendent | Ohio |
| 62 | Maude Ralston | 53 | wife | — | Ohio |
| 63 | Betty Ralston | 25 | daughter | Secretary | Ohio |
| 64 | Margaret Ralston | 19 | daughter | — | Ohio |
| 65 | George Arbingstall | 46 | head | Carpenter | Ohio |
| 66 | William Ruebel | 43 | head | Mail Carrier | Ohio |
| 67 | Edith Ruebel | 38 | wife | — | Ohio |
| 68 | Marilynn Ruebel | 17 | daughter | — | Ohio |
| 69 | Donna Jean Ruebel | 13 | daughter | — | Ohio |
| 70 | Joseph Carroll THIS PERSON | 40 | head | Millwright | Ohio |
| 71 | Minnie Carroll | 39 | wife | — | Kentucky |
| 72 | Ruth Carroll | 16 | daughter | — | Ohio |
| 73 | Mary Elizabeth Carroll | 13 | daughter | — | Ohio |
| 74 | Dorothy Carroll | 10 | daughter | — | Ohio |
| 75 | Nancy Carroll | 8 | daughter | — | Ohio |
| 76 | Joseph Jr. Carroll | 4 | son | — | Ohio |
| 77 | Pattie Carroll | 2 | daughter | — | Ohio |
| 78 | Ella Meiers | 84 | head | — | Ohio |
| 79 | Arthur Meiers | 51 | son | Clerk | Ohio |
| 80 | Louis Rasch | 66 | lodger | Labor | Ohio |
Pedigree Summary
Joseph
Gen 1 · 3 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)