JC
John Carney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Davidson-County, Tennessee
Our Model Tree links this John Carney across the 1920, 1930 and 1940 US Censuses in Davidson-County, Tennessee (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Davidson-County, Tennessee |
| Surname | Carney |
| Given Name | John E Jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville city |
| 1935 Residence (County) | Davidson |
| Additional Details | |
| Occupation | Timekeeper |
| Industry | Tobacco Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Timekeeper |
| Township / Ward | Nashville City |
| Est. Birth Year | ~1916 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Carney | Son | — | 24 | ~1916 |
| Ada Carney | Other | — | 43 | ~1897 |
| Willie Carney | Daughter | — | 39 | ~1901 |
| Laura Carney | Daughter | — | 43 | ~1897 |
| Mary Carney | Spouse | — | 67 | ~1873 |
| John Carney | Head | — | 69 | ~1871 |
Census Appearances
1920
Davidson, Tennessee
Son, age 4
Davidson, Tennessee · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carney |
| Given Name | John P. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Davidson, Tennessee
Son, age 14
Davidson, Tennessee · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carney |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Davidson-County, Tennessee
Son, age 24
Davidson-County, Tennessee · implied b. ~1916 — 6 household members
| Surname | Carney |
| Given Name | John E Jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville city |
| 1935 Residence (County) | Davidson |
| Occupation | Timekeeper |
| Industry | Tobacco Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 John Carney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Carney (~0.92 confidence) and father John Carney (~0.92 confidence) and father John Carney (~0.92 confidence) and mother Mary Carney (~0.92 confidence) and mother Mary Carney (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Carney
b. ~1871
Source father
● Household
· direct · ~0.92
Father
John Carney
b. ~1870
Source father
● Household
· direct · ~0.92
Father
John Carney
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Mary Carney
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mary Carney
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Carney
Son · 1940 · age 24 · b. ~1916 · Tennessee
★ You are viewing this record
Sibling
Laura Carney
Sibling · 1940 · age 43
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Carney
Sibling · 1940 · age 39
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 — Davidson-County, Tennessee
Open full size
1940 US Federal Census — Davidson-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03975-00140)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joan M Swafford | 4 | daughter | — | Tennessee |
| 2 | Robert E Swafford | 4 | son | — | Tennessee |
| 3 | William H Badger | 65 | Head | Guard | Tennessee |
| 4 | Minnie Badger | 50 | Wife | — | Tennessee |
| 5 | Claude Cullin | 36 | Brother-in-law | Shoe Maker | Tennessee |
| 6 | James R Hickerson | 56 | Head | Truck Driver | Tennessee |
| 7 | Nellie F Hickerson | 42 | Wife | — | Tennessee |
| 8 | James M Warner | 42 | Head | Inspector | Tennessee |
| 9 | Mary C Warner | 42 | Wife | — | Tennessee |
| 10 | James M Jr Warner | 16 | son | Clerk | Tennessee |
| 11 | John B Warner | 15 | son | — | Tennessee |
| 12 | Mary W Warner | 13 | daughter | — | Tennessee |
| 13 | Patrick J Warner | 12 | son | — | Tennessee |
| 14 | Ann C Warner | 2 | daughter | — | Tennessee |
| 15 | Thomas A Warner | 5 | son | — | Tennessee |
| 16 | Stephen E Warner | 4 | son | — | Tennessee |
| 17 | Winifred Brady | 71 | Mother-in-law | — | Tennessee |
| 18 | Charles H Hillebrand | 63 | Head | Watchman | Tennessee |
| 19 | Berdie Hillebrand | 63 | Wife | — | Kentucky |
| 20 | Jesse F Hillebrand | 40 | Lodger | Salesman | Tennessee |
| 21 | Leroy C Smith | 68 | Head | Helper | Tennessee |
| 22 | Jennie Smith | 72 | Wife | — | Tennessee |
| 23 | Dayton M Smith | 32 | son | Truck Driver | Tennessee |
| 24 | Ada L Northam | 62 | Head | — | Tennessee |
| 25 | Orman Northam | 25 | son | Crator | Tennessee |
| 26 | Douglas Northam | 19 | son | — | Tennessee |
| 27 | — | None | — | — | — |
| 28 | — | None | — | — | — |
| 29 | — | None | — | — | — |
| 30 | — | None | — | — | — |
| 31 | John E Carney | 69 | Head | — | Tennessee |
| 32 | Mary Carney | 67 | Wife | — | Tennessee |
| 33 | Willie B Carney | 39 | daughter | Teacher | Tennessee |
| 34 | John E Jr Carney THIS PERSON | 24 | son | Timekeeper | Tennessee |
| 35 | Ada John B Carney | 43 | son-in-law | Grocer | Tennessee |
| 36 | Laura C Carney | 43 | daughter | Bookkeeper | Tennessee |
| 37 | Ben S Perry | 51 | Head | Salesman | Tennessee |
| 38 | Albert B Perry | 47 | Wife | — | Tennessee |
| 39 | William R Phelps | 33 | Head | Labour | Tennessee |
| 40 | Sarah L Phelps | 28 | Wife | Housekeeper Children | Georgia |
Pedigree Summary
John + 2 siblings
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)