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John Mcelroy — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Bexar-County, Texas

Our Model Tree links this John Mcelroy across the 1930 and 1940 US Censuses in Bexar-County, Texas (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 5-person household.

Age 21 b. ~1919 Male Son Born: Texas Single

1940 Census Record Details

Census Year1940
LocationBexar-County, Texas
SurnameMcElroy
Given NameJohn L. Jr.
Relationship to HeadSon
SexM
Color / RaceWhite
Age21
Marital StatusSingle
BirthplaceTexas
1935 Residence (City)Harlandale
1935 Residence (County)Bexar
Additional Details
OccupationMoving Picture Operator
IndustryPublic Entertainment
Class of WorkerPW
Hours Worked52
Income (1939)260
Highest GradeC-1
1935 ResidenceSame place
Birth StateTexas
Birth CountryUnited States
Birthplace (normalized)texas
OccupationMoving Picture Operator
Township / WardHarlandale
Est. Birth Year~1919

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.

5 people recorded at the same address in the 1940 census.

Name Relation to head Relative to John Age Birth yr
Marjorie Mcelroy Daughter — 15 ~1925
Alex Mcelroy Son — 18 ~1922
Eileen Mcelroy Head — 42 ~1898
John Mcelroy Son — 21 ~1919
Mary Mcelroy Daughter — 20 ~1920

Census Appearances

1930
Bexar, Texas
Son, age 12
Bexar, Texas · implied b. ~1918 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname McElroy
Given Name John M.
Relationship to Head Son
Sex M
Color / Race White
Age 12
Marital Status Single
Birthplace Texas
Father's Birthplace Texas
Mother's Birthplace Texas
Occupation none
Can Read/Write Yes
Birth State Texas
Birth Country United States
Birthplace (normalized) texas
1940
Bexar-County, Texas
Son, age 21
Bexar-County, Texas · implied b. ~1919 — 5 household members
Surname McElroy
Given Name John L. Jr.
Relationship to Head Son
Sex M
Color / Race White
Age 21
Marital Status Single
Birthplace Texas
1935 Residence (City) Harlandale
1935 Residence (County) Bexar
Occupation Moving Picture Operator
Industry Public Entertainment
Class of Worker PW
Hours Worked 52
Income (1939) 260
Highest Grade C-1
1935 Residence Same place
Birth State Texas
Birth Country United States
Birthplace (normalized) texas

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.
Linked across censuses
Our Model Tree links John Mcelroy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcelroy
Son · 1940 · age 21 · b. ~1919 · Texas
★ You are viewing this record
Sibling
Mary Mcelroy
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Mcelroy
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alex Mcelroy
Sibling · 1940 · age 18
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 — Bexar-County, Texas Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03987-00065)

Line Name Age Relation Occupation Birthplace
1 Hal Jr. Garland 23 Son Painter Texas
2 Bruce Garland 47 Brother Operator Texas
3 Beulah Garland 43 Sister-in-law — Texas
4 Bertha Garland 67 Mother — Texas
5 William B. Barrow 40 Head Carpenter Texas
6 Geneva D. Barrow 35 Wife — Texas
7 William B. Jr. Barrow 14 Son — Texas
8 E. H. Bond 34 Head Aircraft Mechanic Missouri
9 Josephine M. Bond 27 Wife — Missouri
10 Conrad Bond 5 Son — Wisconsin
11 Phillip Bond 2 Son — Missouri
12 Harriet E. English 21 Sister-in-law New Worker Missouri
13 I. C. Kimbrell 30 Head Collector Texas
14 Illa Kimbrell 27 Wife — Texas
15 Jay Kent Kimbrell 1 Son — Texas
16 Belle Smith 63 Mother-in-law — Mississippi
17 Eileen Mcelroy 42 Head — Texas
18 John L. Jr. Mcelroy THIS PERSON 21 Son Moving Picture Operator Texas
19 Mary E. Mcelroy 20 Daughter Stenographer Texas
20 Alex Mcelroy 18 Son — Texas
21 Marjorie Mcelroy 15 Daughter — Texas
22 Alfred A. Tinaglia 63 Head — Italy
23 Sue Tinaglia 54 Wife — Pennsylvania
24 Alexander J. Melancon 49 Head Auditor Texas
25 Pearl Melancon 36 Wife — Texas
26 Rosemary P. Melancon 13 Daughter — Texas
27 Carl A. Dietrich 29 Head Electric Line Helper Texas
28 Margaret Dietrich 26 Wife — Texas
29 Carl H. Dietrich 1 Son — Texas
30 Carl J. Couser 31 Brother-in-law Electric Line Cleaner Texas
31 Thelma Couser 32 Sister-in-law Sales Clerk Texas
32 Edward Mcclelland 55 Head — Kentucky
33 Gertrude D. Mcclelland 35 Wife — Texas
34 William R. Wilkins 19 Step-son New Worker Texas
35 Vivian C. Wilkins 15 Step-daughter — Texas
36 Henry W. Scott 39 Head Airplane Mechanic California
37 India E. Scott 39 Wife — Missouri
38 Jesse Thompson 63 Head Auditor Texas
39 Gettie Thompson 58 Wife — Texas
40 Henry F. Hanson 52 Head Nurseryman Arkansas

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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)

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