JM
John Mckinney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caddo-County, Louisiana
Our Model Tree links this John Mckinney across the 1930 and 1940 US Censuses in Caddo-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Louisiana |
| Surname | McKinney |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 4 |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mckinney | Son | — | 12 | ~1928 |
| Milton Mckinney | Son | — | 11 | ~1929 |
| Sherman Mckinney | Son | — | 3 | ~1937 |
| Minnie Mckinney | Daughter | — | 1 | ~1939 |
| Levi Mckinney | Son | — | 8 | ~1932 |
| Irma Mckinney | Daughter | — | 4 | ~1936 |
| Beatrice Mckinney | Spouse | — | 27 | ~1913 |
| Milton Mckinney | Head | — | 38 | ~1902 |
| Roosevelt Mckinney | Son | — | 7 | ~1933 |
Census Appearances
1930
Caddo, Louisiana
Son, age 2
Caddo, Louisiana · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKinney |
| Given Name | Johnnie R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Caddo-County, Louisiana
Son, age 12
Caddo-County, Louisiana · implied b. ~1928 — 9 household members
| Surname | McKinney |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Caddo |
| Highest Grade | No 3 |
| 1935 Residence | Louisiana |
| 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 Mckinney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mckinney
Son · 1940 · age 12 · b. ~1928 · Louisiana
★ You are viewing this record
Sibling
Milton Mckinney
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sherman Mckinney
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Levi Mckinney
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roosevelt Mckinney
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irma Mckinney
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Mckinney
Sibling · 1940 · age 1
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 — Caddo-County, Louisiana
Open full size
1940 US Federal Census — Caddo-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01388-00967)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George L Culbertson | 45 | Head | Claim Agent | Texas |
| 2 | Marie Culbertson | 39 | Wife | — | Texas |
| 3 | Robert Culbertson | 17 | Son | — | Louisiana |
| 4 | Samuel Culbertson | 5 | Son | — | Louisiana |
| 5 | Thomas Voss | 47 | Head | Machinist | Arkansas |
| 6 | Betty Mae Voss | 36 | Wife | — | Louisiana |
| 7 | Thomas Jr Voss | 16 | Son | — | Louisiana |
| 8 | Clarence Voss | 12 | Son | — | Louisiana |
| 9 | Allen Kagan | 45 | Head | Truck Repairman | Louisiana |
| 10 | Elizabeth Kagan | 40 | Wife | Servant | Louisiana |
| 11 | Allen Jr Kagan | 22 | Son | Repairman | Louisiana |
| 12 | Daisy Lee Kagan | 17 | Daughter | — | Louisiana |
| 13 | Dorothy Kagan | 14 | Daughter | — | Louisiana |
| 14 | Milton Mckinney | 38 | Head | Servant | Louisiana |
| 15 | Beatrice Mckinney | 27 | Wife | Odd Jobs | Louisiana |
| 16 | John H Mckinney THIS PERSON | 12 | Son | — | Louisiana |
| 17 | Milton Jr Mckinney | 11 | Son | — | Louisiana |
| 18 | Levi Mckinney | 8 | Son | — | Louisiana |
| 19 | Roosevelt Mckinney | 7 | Son | — | Louisiana |
| 20 | Irma D Mckinney | 4 | Daughter | — | Louisiana |
| 21 | Sherman Mckinney | 3 | Son | — | Louisiana |
| 22 | Minnie R Mckinney | 1 | Daughter | — | Louisiana |
| 23 | Nelson Mckinney | 27 | Head | Laborer | Louisiana |
| 24 | Katie Mckinney | 26 | Wife | — | Louisiana |
| 25 | Sam Mahie | 47 | Head | Truck Repairman | Louisiana |
| 26 | Eva Mahie | 36 | Wife | — | Louisiana |
| 27 | Elbert Mahie | 21 | Son | Laborer | Louisiana |
| 28 | Clara Jones | 34 | Head | Servant | Louisiana |
| 29 | Hunt John E Jones | 14 | Son | — | Louisiana |
| 30 | Edward Jones | 20 | Brother | — | Louisiana |
| 31 | Alfred Aaron | 73 | Head | — | Louisiana |
| 32 | Mose Aaron | 63 | Wife | — | Louisiana |
| 33 | Charlie Hill | 15 | Boarder | Laundress | Louisiana |
| 34 | Ella Jackson | 11 | Niece | — | Louisiana |
| 35 | James T Scogins | 58 | Head | Laborer | Texas |
| 36 | Fannie Scogins | 58 | Wife | — | Texas |
| 37 | Louise Scogins | 26 | Daughter | — | Texas |
| 38 | Aris T Lotting | 41 | Head | Machinist | Louisiana |
| 39 | Ethel Lotting | 36 | Wife | — | Louisiana |
| 40 | Aris T Jr Lotting | 17 | Son | — | Louisiana |
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)