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James Mckay — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ouachita-County, Louisiana
Our Model Tree links this James Mckay across the 1930 and 1940 US Censuses in Ouachita-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ouachita-County, Louisiana |
| Surname | McKay |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Monroe |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Monroe City |
| Est. Birth Year | ~1929 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Ralph Mckay | Son | — | 8 | ~1932 |
| William Mckay | Son | — | 1 | ~1939 |
| Sybil Mckay | Daughter | — | 5 | ~1935 |
| Marguerite Mckay | Spouse | — | 37 | ~1903 |
| James Mckay | Son | — | 11 | ~1929 |
| Carolyn Mckay | Daughter | — | 3 | ~1937 |
| Charlie Mckay | Head | — | 47 | ~1893 |
| Griffin Mckay | Son | — | 13 | ~1927 |
Census Appearances
1930
Ouachita, Louisiana
Son, age 2
Ouachita, Louisiana · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKay |
| Given Name | James D |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Ouachita-County, Louisiana
Son, age 11
Ouachita-County, Louisiana · implied b. ~1929 — 8 household members
| Surname | McKay |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Monroe |
| Highest Grade | 5 |
| 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 James Mckay across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mckay
Son · 1940 · age 11 · b. ~1929 · Louisiana
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Sibling
Carolyn Mckay
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Mckay
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Griffin Mckay
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sybil Mckay
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mckay
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 — Ouachita-County, Louisiana
Open full size
1940 US Federal Census — Ouachita-County, Louisiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01437-00448)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie M. Pebble | 45 | Head | Nurse Private | Mississippi |
| 2 | Henry L. Jr. Pebble | 21 | Son | Radio Hammer | Louisiana |
| 3 | Dorothy Pebble | 19 | Daughter | — | Louisiana |
| 4 | Elizabeth Fernandez | 17 | Daughter | — | Louisiana |
| 5 | Robert L. Horton | 34 | Lodger | Dry Cleaner | Louisiana |
| 6 | Charlie E. Mckay | 47 | Head | Fireman | North Carolina |
| 7 | Marguerite Mckay | 37 | Wife | — | Louisiana |
| 8 | Griffin Mckay | 13 | Son | — | Louisiana |
| 9 | James Mckay THIS PERSON | 11 | Son | — | Louisiana |
| 10 | Ralph Mckay | 8 | Son | — | Louisiana |
| 11 | Sybil Mckay | 5 | Daughter | — | Louisiana |
| 12 | Carolyn Mckay | 3 | Daughter | — | Louisiana |
| 13 | William L. Mckay | 1 | Son | — | Louisiana |
| 14 | Annie Mcelroy | 35 | Head | Seamstress | Louisiana |
| 15 | Virginia Smith | 19 | Daughter | Waitress | Louisiana |
| 16 | James Sheppard | 16 | Nephew | — | Louisiana |
| 17 | James L. Henry | 40 | Head | Pilot | Louisiana |
| 18 | Verla Henry | 26 | Wife | — | Arkansas |
| 19 | J. S. Jr. Henry | 18 | Son | — | Louisiana |
| 20 | Joe Canale | 44 | Head | Engineer | Louisiana |
| 21 | Sarah Canale | 38 | Wife | — | Louisiana |
| 22 | Sammi Canale | 18 | Son | — | Louisiana |
| 23 | Josephine Canale | 16 | Daughter | — | Louisiana |
| 24 | Anthony Canale | 13 | Son | — | Louisiana |
| 25 | Rose Ann Canale | 8 | Daughter | — | Louisiana |
| 26 | James C. Edwards | 46 | Head | Conductor | Louisiana |
| 27 | Minnie Edwards | 39 | Wife | — | Louisiana |
| 28 | James Jr. Edwards | 15 | Son | — | Louisiana |
| 29 | Charles H. Edwards | 12 | Son | — | Louisiana |
| 30 | Shirley Ann Edwards | 2 | Daughter | — | Louisiana |
| 31 | Richard S. Muir | 29 | Head | Bus Driver | Louisiana |
| 32 | Vera M. Muir | 32 | Wife | — | Louisiana |
| 33 | Richard Jr. Muir | 9 | Son | — | Louisiana |
| 34 | James F. Kirby | 73 | Father-in-law | — | Illinois |
| 35 | Mamie Kirby | 51 | Mother-in-law | — | Illinois |
| 36 | Judge Mccurdy Miller | 60 | Head | Conductor | Mississippi |
| 37 | Paula Miller | 38 | Wife | — | Louisiana |
| 38 | Ray Lamar | 21 | Step-son | — | Louisiana |
| 39 | Jennie June Lamar | 4 | Step-granddaughter | — | 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)