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John Mcelroy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lauderdale-County, Mississippi
Our Model Tree links this John Mcelroy across the 1920, 1930 and 1940 US Censuses in Lauderdale-County, Mississippi (XGBoost, ~Confirmed), with identified parents John & Johnnie — first a head (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Head
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lauderdale-County, Mississippi |
| Surname | McElroy |
| Given Name | John C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Meridian |
| 1935 Residence (County) | Lauderdale |
| Additional Details | |
| Occupation | Plumber |
| Industry | Independent |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 108 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Plumber |
| Township / Ward | Meridian |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mcelroy | Head | — | 24 | ~1916 |
| Clarence Mcelroy | Son | — | 3 | ~1937 |
| Lloualyn Mcelroy | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Lauderdale, Mississippi
Son, age 4
Lauderdale, Mississippi · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McElroy |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Lauderdale, Mississippi
Son, age 13
Lauderdale, Mississippi · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McElroy |
| Given Name | John C. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Lauderdale-County, Mississippi
Head, age 24
Lauderdale-County, Mississippi · implied b. ~1916 — 3 household members
| Surname | McElroy |
| Given Name | John C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Meridian |
| 1935 Residence (County) | Lauderdale |
| Occupation | Plumber |
| Industry | Independent |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 108 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Mcelroy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mcelroy (~0.92 confidence) and mother Johnnie Mcelroy (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mcelroy
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Johnnie Mcelroy
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mcelroy
Head · 1940 · age 24 · b. ~1916 · Mississippi
★ 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 — Lauderdale-County, Mississippi
Open full size
1940 US Federal Census — Lauderdale-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02040-00012)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cecile Bullett | 29 | Daughter | Seamstress | Mississippi |
| 2 | James H. Joines | 64 | Head | Car Repairer | Mississippi |
| 3 | Mary E. Joines | 51 | Wife | Alteration | Mississippi |
| 4 | Charles E. Joines | 30 | Son | Laborer | Mississippi |
| 5 | Grady Joines | 28 | Son | Truck Driver | Mississippi |
| 6 | Jack Joines | 7 | Son | — | Mississippi |
| 7 | Clinton L. Holliday | 53 | Head | Telegraph Operator | Illinois |
| 8 | Effie M. Holliday | 40 | Wife | — | Mississippi |
| 9 | Celesta Holliday | 21 | Daughter | Stenographer | Alabama |
| 10 | Clinton L. Jr. Holliday | 10 | Son | — | Mississippi |
| 11 | Kline G. Shank | 39 | Head | Carpenter | Mississippi |
| 12 | Maude E. Shank | 39 | Wife | — | Mississippi |
| 13 | G. Kline Jr. Shank | 12 | Son | — | Mississippi |
| 14 | James W. Gullett | 68 | Head | Tool Man | Mississippi |
| 15 | Lula L. Gullett | 71 | Wife | — | Mississippi |
| 16 | Prentiss M. Rawson | 56 | Head | Car Repairer | Mississippi |
| 17 | Sadie Rawson | 50 | Wife | — | Mississippi |
| 18 | Alice Rawson | 28 | Daughter | Spooler Minder | Mississippi |
| 19 | Claude Rawson | 13 | Son | — | Mississippi |
| 20 | Claudine Rawson | 13 | Daughter | — | Mississippi |
| 21 | Robert L. Ulmer | 53 | Head | Traveling Buyer | Mississippi |
| 22 | Elia M. Ulmer | 54 | Wife | — | Mississippi |
| 23 | Leroy Ulmer | 24 | Son | Checker In Yard | Mississippi |
| 24 | Maggie M. Curtis | 29 | Daughter | Marker | Mississippi |
| 25 | Billie Curtis | 11 | Granddaughter | — | Mississippi |
| 26 | Omie Combs | 54 | Head | Locomotive Engineer | Tennessee |
| 27 | Lucille D. Combs | 48 | Wife | — | Mississippi |
| 28 | Bertie I. Matthews | 77 | Mother-in-law | — | Alabama |
| 29 | Julia G. Brown | 56 | Sister | Foreman | Tennessee |
| 30 | John C. Mcelroy THIS PERSON | 24 | Head | Plumber | Mississippi |
| 31 | Lloualyn Mcelroy | 21 | Wife | — | Mississippi |
| 32 | Clarence W. Mcelroy | 3 | Son | — | Mississippi |
| 33 | Sam C. Braddock | 38 | Head | Patrol | Mississippi |
| 34 | Lillian M. Braddock | 30 | Wife | Proprietor | Mississippi |
| 35 | Eloise Braddock | 13 | Daughter | — | Mississippi |
| 36 | Charlie B. Braddock | 7 | Son | — | Mississippi |
| 37 | Pettie M. Chancey | 19 | Boarder | Waitress | Mississippi |
| 38 | J. Bird Stone | 55 | Head | Car Repairer | Mississippi |
| 39 | Ree C. Stone | 56 | Wife | — | Mississippi |
| 40 | Ray H. Stone | 20 | Son | Foreman | Mississippi |
Related Census Records
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)