Thomas Johnson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Baltimore-City-County, Maryland

Our Model Tree links this Thomas Johnson across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1910), then head of a 9-person household.

Age 30 b. ~1910 Male Head Born: Maryland Married

1940 Census Record Details

Census Year	1940
Location	Baltimore-City-County, Maryland
Surname	Johnson
Given Name	Thomas
Relationship to Head	Head
Sex	M
Color / Race	Black
Age	30
Marital Status	Married
Birthplace	Maryland
1935 Residence (City)	Baltimore City
1935 Residence (County)	Baltimore City
Additional Details
Occupation	Laborer
Industry	Western Maryland Railway
Class of Worker	PW
Hours Worked	26
Income (1939)	500
Highest Grade	No 6
1935 Residence	Same place
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland
Occupation	Laborer
Township / Ward	Baltimore City
Est. Birth Year	~1910

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 Thomas	Age	Birth yr
Viola Johnson	Daughter	—	8	~1932
Mildred Johnson	Daughter	—	5	~1935
Doris Johnson	Daughter	—	3	~1937
Maggie Johnson	Daughter	—	9	~1931
Mary Wright	Daughter	—	23	~1917
Thomas Johnson	Head	—	30	~1910
Charlie Johnson	Son	—	2	~1938
Milton Johnson	Son	—	28	~1912
Margaret Johnson	Spouse	—	26	~1914

Census Appearances

1920

X, Maryland

Other, age 10

X, Maryland · implied b. ~1910 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Thomas
Relationship to Head	Nephew
Sex	M
Color / Race	Black
Age	10
Marital Status	Single
Birthplace	Maryland
Father's Birthplace	Maryland
Mother's Birthplace	Maryland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

1930

Baltimore, Maryland

Other, age 20

Baltimore, Maryland · implied b. ~1910 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Thomas
Relationship to Head	Step-son
Sex	M
Color / Race	Black
Age	20
Marital Status	Single
Birthplace	Maryland
Father's Birthplace	Maryland
Mother's Birthplace	Maryland
Occupation	Elevator Operator
Industry	Hotel
Class of Worker	W
Can Read/Write	Yes
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

1940

Baltimore-City-County, Maryland

Head, age 30

Baltimore-City-County, Maryland · implied b. ~1910 — 9 household members

Surname	Johnson
Given Name	Thomas
Relationship to Head	Head
Sex	M
Color / Race	Black
Age	30
Marital Status	Married
Birthplace	Maryland
1935 Residence (City)	Baltimore City
1935 Residence (County)	Baltimore City
Occupation	Laborer
Industry	Western Maryland Railway
Class of Worker	PW
Hours Worked	26
Income (1939)	500
Highest Grade	No 6
1935 Residence	Same place
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

Model Tree

Linked across censuses

Our Model Tree links Thomas Johnson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.

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This person

Anchor record

Thomas Johnson

Head · 1940 · age 30 · b. ~1910 · Maryland

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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 — Baltimore-City-County, Maryland Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01535-00161)

Line	Name	Age	Relation	Occupation	Birthplace
1	Cora Dutley	65	Lodger	—	Maryland
2	William Gross	59	Lodger	Laborer	Maryland
3	Molly Walden	34	Head	—	Maryland
4	James Howard	59	Lodger	—	Virginia
5	Ruth Green	31	Lodger	—	Maryland
6	Willie Dye	32	Lodger	Laborer	Virginia
7	Robert William	47	Lodger	Helper	Maryland
8	William Holy	73	Lodger	—	Maryland
9	John Young	39	Lodger	Truck Driver	Maryland
10	Herbert Leak	38	Head	Laborer	South Carolina
11	Jamie Leak	29	Wife	—	South Carolina
12	Elija Felder	18	Son	—	South Carolina
13	Benjamin Felder	16	Son	—	South Carolina
14	Joseph Felder	14	Son	—	South Carolina
15	George Hardman	26	Head	Laborer	North Carolina
16	Ella Scott	27	Partner	—	North Carolina
17	Doris Scott	2	Daughter	—	Maryland
18	Georgia Clouds	45	Lodger	—	South Carolina
19	James Brown	40	Lodger	Laborer	Maryland
20	Mike Love	47	Head	—	South Carolina
21	Betrice Love	44	Wife	—	South Carolina
22	Don Love	12	Son	—	Maryland
23	Virginia Whitney	53	Lodger	—	South Carolina
24	Mazie Brooks	27	Lodger	Laborer	Virginia
25	Felix Monroe	36	Head	Night Watchman	Alabama
26	Jenora Monroe	26	Wife	—	South Carolina
27	Emmett Gaines	52	Head	—	Maryland
28	Edith Gaines	44	Wife	—	North Carolina
29	William Harris	75	Lodger	—	Virginia
30	Edward West	75	Head	—	Virginia
31	Frances West	60	Wife	—	Maryland
32	Thomas Johnson THIS PERSON	30	Head	Laborer	Maryland
33	Margaret Johnson	26	Wife	—	Maryland
34	Milton Johnson	28	Son	Laborer	Maryland
35	Maggie Johnson	9	Daughter	—	Maryland
36	Viola Johnson	8	Daughter	—	Maryland
37	Mildred Johnson	5	Daughter	—	Maryland
38	Doris Johnson	3	Daughter	—	Maryland
39	Charlie Johnson	2	Son	—	Maryland
40	Mary Wright	23	Daughter	—	Maryland

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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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