JK
John Kennedy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Concordia-County, Louisiana
Our Model Tree links this John Kennedy across the 1920, 1930 and 1940 US Censuses in Concordia-County, Louisiana (XGBoost, ~Confirmed), with identified parents James & Jonas — first a son (b.~1910), then head of a 2-person household.
Age 30
b. ~1910
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Concordia-County, Louisiana |
| Surname | Kennedy |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 4 |
| 1935 Residence (County) | Concordia |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Laborer |
| Township / Ward | Ward 4 |
| Est. Birth Year | ~1910 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Virginia Kennedy | Head | — | 42 | ~1898 |
| John Kennedy | Son | — | 30 | ~1910 |
Census Appearances
1920
Concordia, Louisiana
Son, age 11
Concordia, Louisiana · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Jones Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Concordia, Louisiana
Son, age 19
Concordia, Louisiana · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Jonas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Concordia-County, Louisiana
Son, age 30
Concordia-County, Louisiana · implied b. ~1910 — 2 household members
| Surname | Kennedy |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 4 |
| 1935 Residence (County) | Concordia |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Kennedy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Kennedy (~0.92 confidence) and father Jonas Kennedy (~0.92 confidence) and mother Virginia Kennedy (~0.60 confidence) and mother Virginia Kennedy (~0.92 confidence) and mother Virginia Kennedy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
James Kennedy
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Jonas Kennedy
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Virginia Kennedy
b. ~1898
Source mother
● Household
· direct · ~0.6
Mother
Virginia Kennedy
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Virginia Kennedy
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Kennedy
Son · 1940 · age 30 · b. ~1910 · Louisiana
★ 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 — Concordia-County, Louisiana
Open full size
1940 US Federal Census — Concordia-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01394-00033)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Laura Chapman | 14 | daughter | — | Louisiana |
| 42 | Ester Chapman | 11 | daughter | — | Louisiana |
| 43 | Silvester Washington | 44 | Head | Farmer | Louisiana |
| 44 | Hester Washington | 34 | Wife | Laborer | Louisiana |
| 45 | Estall Washington | 16 | daughter | Laborer | Louisiana |
| 46 | George Washington | 14 | son | Laborer | Louisiana |
| 47 | Roscoe Washington | 11 | son | — | Louisiana |
| 48 | Deborah Washington | 9 | daughter | — | Louisiana |
| 49 | Dazerm Washington | 7 | daughter | — | Louisiana |
| 50 | Ula M Washington | 7 | daughter | — | Louisiana |
| 51 | Woodrow Washington | 4 | son | — | Louisiana |
| 52 | Alphon Washington | 3 | daughter | — | Louisiana |
| 53 | Phroy Washington | 2 | son | — | Louisiana |
| 54 | Kehler Thomas | 30 | Head | Farmer | Louisiana |
| 55 | Rachel Thomas | 31 | Wife | Laborer | Louisiana |
| 56 | Virginia Kennedy | 42 | Head | Farmer | Louisiana |
| 57 | John Kennedy THIS PERSON | 30 | son | Laborer | Louisiana |
| 58 | Thomas Kennedy | 34 | Head | Farmer | Louisiana |
| 59 | Matilda Kennedy | 22 | Wife | Laborer | Louisiana |
| 60 | Lee Hines | 22 | Head | Farmer | Louisiana |
| 61 | Martha W Hines | 44 | Wife | Laborer | Louisiana |
| 62 | Joe Woods | 21 | step son | Laborer | Louisiana |
| 63 | Herman Jackson | 18 | Boarder | Laborer | Louisiana |
| 64 | Otto Washington | 36 | Head | Farmer | Louisiana |
| 65 | Agnes Washington | 39 | Wife | Laborer | Louisiana |
| 66 | James Washington | 12 | son | — | Louisiana |
| 67 | Glocker Washington | 9 | son | — | Louisiana |
| 68 | Otto Jr Washington | 7 | son | — | Louisiana |
| 69 | Earnest Washington | 3 | son | — | Louisiana |
| 70 | Liza Washington | 1 | daughter | — | Louisiana |
| 71 | Jessie Mccrary | 25 | Head | Farmer | Louisiana |
| 72 | Virginia Mccrary | 25 | Wife | Laborer | Louisiana |
| 73 | Lester Mccrary | 4 | son | — | Louisiana |
| 74 | Jessie Jr Mccrary | 2 | son | — | Louisiana |
| 75 | Kenneth Thomas | 23 | Head | Farmer | Louisiana |
| 76 | Clora Thomas | 20 | Wife | Laborer | Louisiana |
| 77 | Agnes Thomas | 1 | daughter | — | Louisiana |
| 78 | Henry Thomas | 45 | Head | Farmer | Louisiana |
| 79 | Nunda Thomas | 42 | Wife | Laborer | Louisiana |
| 80 | Vilda Thomas | 19 | daughter | Laborer | Louisiana |
Pedigree Summary
John
Gen 1 · 5 parents
~0.86
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)