John Armstrong — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Bexar-County, Texas

Our Model Tree links this John Armstrong across the 1920, 1930 and 1940 US Censuses in Bexar-County, Texas (XGBoost, ~Confirmed), with identified parents George & Annie — first a head (b.~1904), then head of a 5-person household.

Age 36 b. ~1904 Male Head Born: Texas Married

1940 Census Record Details

Census Year	1940
Location	Bexar-County, Texas
Surname	Armstrong
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	Black
Age	36
Marital Status	Married
Birthplace	Texas
1935 Residence (City)	San Antonio City
1935 Residence (County)	Bexar
Additional Details
Occupation	musician
Industry	WPA project
Class of Worker	GW
Hours Worked	32
Income (1939)	357
Highest Grade	H 7
1935 Residence	Same place
Birth State	Texas
Birth Country	United States
Birthplace (normalized)	texas
Occupation	Musician
Township / Ward	San Antonio City
Est. Birth Year	~1904

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
Sarah Armstrong	Daughter	—	13	~1927
John Armstrong	Head	—	36	~1904
Milton Armstrong	Son	—	9	~1931
John Armstrong	Son	—	11	~1929
Thelma Armstrong	Spouse	—	32	~1908

Census Appearances

1920

Bexar, Texas

Son, age 18

Bexar, Texas · implied b. ~1902 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Armstrong
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	Black
Age	18
Marital Status	Single
Birthplace	Texas
Father's Birthplace	Texas
Mother's Birthplace	Texas
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Texas
Birth Country	United States
Birthplace (normalized)	texas

1930

Bexar, Texas

Head, age 26

Bexar, Texas · implied b. ~1904 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Armstrong
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	Black
Age	26
Marital Status	Married
Birthplace	Texas
Age at First Marriage	22
Father's Birthplace	Texas
Mother's Birthplace	Texas
Occupation	Musician
Industry	Own company
Class of Worker	OA
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	4
Veteran	No
Birth State	Texas
Birth Country	United States
Birthplace (normalized)	texas

1940

Bexar-County, Texas

Head, age 36

Bexar-County, Texas · implied b. ~1904 — 5 household members

Surname	Armstrong
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	Black
Age	36
Marital Status	Married
Birthplace	Texas
1935 Residence (City)	San Antonio City
1935 Residence (County)	Bexar
Occupation	musician
Industry	WPA project
Class of Worker	GW
Hours Worked	32
Income (1939)	357
Highest Grade	H 7
1935 Residence	Same place
Birth State	Texas
Birth Country	United States
Birthplace (normalized)	texas

Model Tree

Model Tree available

Our Model Tree links John Armstrong across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Armstrong (~0.92 confidence) and mother Annie Armstrong (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

George Armstrong

b. ~1870

Source father

● Household · direct · ~0.92

Mother

Annie Armstrong

b. ~1875

Source mother

● Household · direct · ~0.92

This person

Anchor record

John Armstrong

Head · 1940 · age 36 · b. ~1904 · Texas

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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-t0627-04207-00455)

Line	Name	Age	Relation	Occupation	Birthplace
1	Tomas Castillo	27	Head	Waiter	Texas
2	Hina C. Castillo	26	Wife	Ironer	Texas
3	Antonio M. Esquivel	30	Head	Laborer	Texas
4	Maria S. Esquivel	25	Wife	Seamstress	Mexico
5	Alicia Olivares	15	Niece	—	Texas
6	Maria Ramirez	50	Head	—	Mexico
7	Jose Ramirez	16	Son	Delivering Papers	Texas
8	Refugia Ramirez	12	Daughter	—	Texas
9	Manuel Silva	22	Son	Delivery Boy	Texas
10	Dora Silva	18	Daughter in law	—	Texas
11	Olivia Silva	12	Granddaughter	—	Texas
12	Harry Barnes	28	Head	Laborer	Texas
13	Grace Barnes	26	Wife	Maid	Texas
14	Raydell Barnes	16	Daughter	—	Texas
15	Harry Jr. Barnes	6	Son	—	Texas
16	Mrs. Janie Moreno	39	Head	Seamstress	Mexico
17	Juan Moreno	15	Son	—	Texas
18	Enrique Moreno	13	Son	—	Texas
19	Suice Moreno	10	Daughter	—	Texas
20	Jose Moreno	8	Son	—	Texas
21	Frank Aras	32	Brother	—	Texas
22	Charles Noble	65	Head	—	Texas
23	Joyce Noble	40	Wife	Laundress	Texas
24	J. C. Williams	26	Step-son	Caddy	Texas
25	Benny Welch	44	Head	Porter	Texas
26	Idella Welch	34	Wife	Laundress	Texas
27	William Jones	68	Head	—	Texas
28	Mary Jones	58	Wife	—	Texas
29	Clement Nichols	20	Head	Concrete Worker	Texas
30	Hermia Nichols	19	Wife	—	Texas
31	Johnie May Nichols	25	Sister	Maid	Texas
32	Joe Breasley	32	Head	Laborer	Texas
33	Bertha Breasley	25	Wife	Cook	Texas
34	Lena Douglas	30	Head	Maid	Texas
35	Willie B. Douglas	10	Son	—	Texas
36	John Armstrong THIS PERSON	36	Head	Musician	Texas
37	Thelma Armstrong	32	Wife	—	Texas
38	Sarah Armstrong	13	Daughter	—	Texas
39	John Jr. Armstrong	11	Son	—	Texas
40	Milton Armstrong	9	Son	—	Texas

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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)

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