Helen Johnson — 1940 US Census Record

Model Tree available

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

Our Model Tree links this Helen Johnson across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Lottie — first a daughter (b.~1909), then head of a 6-person household.

Age 31 b. ~1909 Female Daughter Born: Maryland Single

1940 Census Record Details

Census Year	1940
Location	Baltimore-City-County, Maryland
Surname	Johnson
Given Name	Helen
Relationship to Head	Daughter
Sex	F
Color / Race	Black
Age	31
Marital Status	Single
Birthplace	Maryland
1935 Residence (City)	Baltimore
1935 Residence (County)	Baltimore
Additional Details
Hours Worked	0
Highest Grade	No 6
1935 Residence	Same place
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland
Township / Ward	Baltimore
Est. Birth Year	~1909

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.

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

Name	Relation to head	Relative to Helen	Age	Birth yr
Helen Johnson	Daughter	—	31	~1909
Lottie Logan	Head	—	44	~1896
Anna Johnson	Other	—	42	~1898
Josephine Taylor	Other	—	28	~1912
Carrie Dixon	Other	—	26	~1914
William Johnson	Other	—	28	~1912

Census Appearances

1920

Baltimore, Maryland

Other, age 13

Baltimore, Maryland · implied b. ~1907 — 11 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Helen
Relationship to Head	Boarder
Sex	F
Color / Race	Black
Age	13
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

None, Maryland

Other, age 23

None, Maryland · implied b. ~1907 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Helen
Relationship to Head	Niece
Sex	F
Color / Race	Black
Age	23
Marital Status	Single
Birthplace	Maryland
Father's Birthplace	Maryland
Mother's Birthplace	Maryland
Occupation	Teacher
Industry	School
Class of Worker	W
Can Read/Write	Yes
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

1940

Baltimore-City-County, Maryland

Daughter, age 31

Baltimore-City-County, Maryland · implied b. ~1909 — 6 household members

Surname	Johnson
Given Name	Helen
Relationship to Head	Daughter
Sex	F
Color / Race	Black
Age	31
Marital Status	Single
Birthplace	Maryland
1935 Residence (City)	Baltimore
1935 Residence (County)	Baltimore
Hours Worked	0
Highest Grade	No 6
1935 Residence	Same place
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

Model Tree

Model Tree available

Our Model Tree links Helen Johnson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Lottie Logan (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Lottie Logan

b. ~1896

Source mother

● Household · direct · ~0.92

This person

Anchor record

Helen Johnson

Daughter · 1940 · age 31 · b. ~1909 · Maryland

★ 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 — Baltimore-City-County, Maryland Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01523-00390)

Line	Name	Age	Relation	Occupation	Birthplace
41	Frances Thompson	9	Grand Daughter	—	Maryland
42	William Campbell	33	Head	Labor	Maryland
43	Elizabeth Campbell	31	Wife	—	Maryland
44	Frances Fisher	15	Daughter	—	Maryland
45	Rowley	18	Lodger	New Worker	Maryland
46	James	22	Lodger	Pin Setter	Maryland
47	Elizabeth	24	Lodger	Cook	Maryland
48	Martha Blome	44	Head	Cook	Maryland
49	James Legrams	53	Lodger	Chauffer	Maryland
50	Robert Jerry	37	Lodger	Labor	Maryland
51	Alenzina	29	Wife	—	Virginia
52	George Harden	34	Lodger	Operator	Virginia
53	Amma	32	Wife	Seamstress	Maryland
54	Willie Helms	48	Head	—	Maryland
55	Ella Helms	46	Wife	Cook	Maryland
56	Jean	5	Daughter	—	Maryland
57	Edmond Johnson	27	Lodger	—	Maryland
58	Ollie	21	Wife	Labor	Maryland
59	Mary Dale	22	Lodger	—	Maryland
60	Gertrude Sherdan	42	Lodger	—	Maryland
61	Henry Campbell	60	Head	Maid	Maryland
62	Lucy Campbell	59	Wife	Shoe Maker	Maryland
63	Georgia Hodges	52	Lodger	—	Maryland
64	Thomas Simmons	38	Lodger	Cement Finisher	Maryland
65	Henry Scott	52	Lodger	Sizer	Maryland
66	Emma	18	Wife	—	Maryland
67	Lottie Logan	44	Head	Maid	Virginia
68	Josephine Taylor	28	Lodger	Nurse	Virginia
69	Helen Johnson THIS PERSON	31	Daughter	—	Maryland
70	William Johnson	28	Lodger	Laundress	Maryland
71	Carrie Dixon	26	Lodger	Waiter	Maryland
72	Anna Johnson	42	Lodger	House Work	Maryland
73	John W. Pinkett	54	Head	Laundress	Maryland
74	Lena V.	46	Wife	Steward	Maryland
75	Nellie Patterson	35	Head	House Work	Maryland
76	Lucy Harris	27	Lodger	House Work	Maryland
77	Catherine	26	Wife	Labor	Maryland
78	Hermit Williams	28	Lodger	Waitress	Maryland
79	Colsie	31	Wife	Tailor	Maryland
80	—	31	Lodger	—	Maryland

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Pedigree Summary

Helen

Gen 1 · 1 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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