JF
John Farrell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Davidson-County, Tennessee
Our Model Tree links this John Farrell across the 1920, 1930 and 1940 US Censuses in Davidson-County, Tennessee (XGBoost, ~Confirmed), with identified parents John & Florence — first a head (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Davidson-County, Tennessee |
| Surname | Farrell |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Some place |
| 1935 Residence (County) | Some place |
| Additional Details | |
| Occupation | Fireman |
| Industry | City of Nashville Fire Dept. |
| Class of Worker | GW |
| Hours Worked | 60 |
| Income (1939) | 1920 |
| Highest Grade | No 8 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Fireman |
| Township / Ward | Nashville |
| Est. Birth Year | ~1903 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Marian Farrell | Daughter | — | 10 | ~1930 |
| Joyce Farrell | Daughter | — | 13 | ~1927 |
| John Farrell | Head | — | 37 | ~1903 |
| Mildred Farrell | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Davidson, Tennessee
Son, age 16
Davidson, Tennessee · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Apprentice |
| Industry | Plumbing Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Davidson, Tennessee
Head, age 27
Davidson, Tennessee · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 20 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Fireman |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Veteran | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Davidson-County, Tennessee
Head, age 37
Davidson-County, Tennessee · implied b. ~1903 — 4 household members
| Surname | Farrell |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Some place |
| 1935 Residence (County) | Some place |
| Occupation | Fireman |
| Industry | City of Nashville Fire Dept. |
| Class of Worker | GW |
| Hours Worked | 60 |
| Income (1939) | 1920 |
| Highest Grade | No 8 |
| 1935 Residence | Tennessee |
| 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 Farrell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Farrell (~0.92 confidence) and mother Florence Farrell (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Farrell
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Florence Farrell
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Farrell
Head · 1940 · age 37 · b. ~1903 · Tennessee
★ 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 — 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-t0627-03975-00151)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louise Smith | 29 | Wife | Bookkeeper | Tennessee |
| 42 | Richard D. Smith | 8 | Son | — | Tennessee |
| 43 | Robert C. Smith | 5 | Son | — | Tennessee |
| 44 | Eugene W. Smith | 3 | Son | — | Tennessee |
| 45 | Reece W. Hunter | 21 | Head | Waiter | Tennessee |
| 46 | Mamie A. Hunter | 19 | Wife | — | Tennessee |
| 47 | Ola M. Jernigan | 54 | Mother-in-law | Waitress | Tennessee |
| 48 | Bart E. Yates | 50 | Head | Carpenter | Tennessee |
| 49 | Nellie B. Yates | 40 | Wife | — | Tennessee |
| 50 | Helen M. Yates | 20 | Daughter | Worker | Tennessee |
| 51 | Margaret V. Yates | 18 | Daughter | — | Tennessee |
| 52 | Howard P. Yates | 15 | Son | — | Tennessee |
| 53 | Ruby B. Yates | 12 | Daughter | — | Tennessee |
| 54 | Earleen Yates | 7 | Daughter | — | Tennessee |
| 55 | Ruth M. Smith | 22 | Daughter | Waitress | Tennessee |
| 56 | Barbara R. Smith | 3 | Granddaughter | — | Tennessee |
| 57 | Ollie H. Trensley | 38 | Head | Sheet Metal Worker | Tennessee |
| 58 | Annie Trensley | 38 | Wife | — | Tennessee |
| 59 | Ruth Trensley | 18 | Daughter | Saleslady | Tennessee |
| 60 | Eugene Trensley | 13 | Son | — | Tennessee |
| 61 | Samuel W. Hackney | 17 | Brother-in-law | Wrapper | Tennessee |
| 62 | Thomas E. Parham | 45 | Head | Policeman | Tennessee |
| 63 | Minnie P. Parham | 41 | Wife | — | Tennessee |
| 64 | Frances Parham | 16 | Daughter | — | Tennessee |
| 65 | Douglas D. Horton | 42 | Head | Foreman | Tennessee |
| 66 | Mary E. Horton | 41 | Wife | — | Tennessee |
| 67 | J. Douglas Horton | 18 | Son | — | Tennessee |
| 68 | Homer Horton | 14 | Son | — | Tennessee |
| 69 | John R. Farrell THIS PERSON | 37 | Head | Fireman | Tennessee |
| 70 | Mildred Farrell | 30 | Wife | Saleslady | Tennessee |
| 71 | Joyce Farrell | 13 | Daughter | — | Tennessee |
| 72 | Marian H. Farrell | 10 | Daughter | — | Tennessee |
| 73 | Brownie G. Phillips | 42 | Head | Manager | Kentucky |
| 74 | Katherine Phillips | 38 | Wife | — | Kentucky |
| 75 | Robert E. Phillips | 15 | Son | — | Tennessee |
| 76 | James E. Phillips | 11 | Son | — | Tennessee |
| 77 | Margaret Ann Phillips | 9 | Daughter | — | Tennessee |
| 78 | Luther M. Taylor | 45 | Head | Letter Carrier | Tennessee |
| 79 | Mary P. Taylor | 45 | Wife | — | Tennessee |
| 80 | Luther M. Jr. Taylor | 16 | Son | — | Tennessee |
Pedigree Summary
John
Gen 1 · 2 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)