Lawrence Martin — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Carroll-County, Maryland

Our Model Tree links this Lawrence Martin across the 1920, 1930 and 1940 US Censuses in Carroll-County, Maryland (XGBoost, ~Confirmed), with identified parents Walter & Elsie — first a head (b.~1914), then head of a 3-person household.

Age 26 b. ~1914 Male Head Born: Maryland Married

1940 Census Record Details

Census Year	1940
Location	Carroll-County, Maryland
Surname	Martin
Given Name	Lawrence E
Relationship to Head	Head
Sex	M
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Maryland
1935 Residence (City)	Hampstead
1935 Residence (County)	Carroll
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	72
Income (1939)	0
Highest Grade	No 5
1935 Residence	Same place
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland
Occupation	Farmer
Township / Ward	Hampstead
Est. Birth Year	~1914

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 Lawrence	Age	Birth yr
Lawrence Martin	Head	—	26	~1914
Edward Martin	Son	—	2	~1938
Ethel Martin	Spouse	—	25	~1915

Census Appearances

1920

Carroll, Maryland

Son, age 6

Carroll, Maryland · implied b. ~1914 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Martin
Given Name	Lawrence E.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	6
Marital Status	Single
Birthplace	Maryland
Father's Birthplace	Maryland
Mother's Birthplace	Maryland
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

1930

Carroll, Maryland

Son, age 16

Carroll, Maryland · implied b. ~1914 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Martin
Given Name	Lawrence E
Relationship to Head	Son
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Maryland
Father's Birthplace	Maryland
Mother's Birthplace	Maryland
Occupation	Laborer
Industry	Farm
Class of Worker	VVVV
Can Read/Write	Yes
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

1940

Carroll-County, Maryland

Head, age 26

Carroll-County, Maryland · implied b. ~1914 — 3 household members

Surname	Martin
Given Name	Lawrence E
Relationship to Head	Head
Sex	M
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Maryland
1935 Residence (City)	Hampstead
1935 Residence (County)	Carroll
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	72
Income (1939)	0
Highest Grade	No 5
1935 Residence	Same place
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Walter Martin

b. ~1892

Source father

● Household · direct · ~0.92

Mother

Elsie Martin

b. ~1892

Source mother

● Household · direct · ~0.92

This person

Anchor record

Lawrence Martin

Head · 1940 · age 26 · b. ~1914 · 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 — Carroll-County, Maryland Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01544-00844)

Line	Name	Age	Relation	Occupation	Birthplace
41	Harry Edwd Mathias	31	Head	Farmer	Maryland
42	Mary E Mathias	30	Wife	—	Maryland
43	James E Mathias	10	Son	—	Maryland
44	Virginia L Mathias	8	Daughter	—	Maryland
45	Lawrence E Martin THIS PERSON	26	Head	Farmer	Maryland
46	Ethel E Martin	25	Wife	—	Maryland
47	Edward H Martin	2	Son	—	Maryland
48	Howard T Hemp	52	Head	Farmer	Maryland
49	Sally A Hemp	45	Wife	—	Maryland
50	Katherine V Hemp	20	Daughter	—	Maryland
51	Arthur T Hemp	18	Son	Farm Labour	Maryland
52	Herman B Graf	49	Head	Farmer	Maryland
53	Annie R Graf	41	Wife	—	Maryland
54	Ruth V Graf	12	Daughter	—	Maryland
55	Herman L Graf	8	Son	—	Maryland
56	Stewart E Graf	5	Son	—	Maryland
57	Allen A Armacost	45	Head	Farmer	Maryland
58	Delia V Armacost	41	Wife	—	Maryland
59	Donita N Armacost	20	Daughter	—	Maryland
60	Preston C Armacost	16	Son	—	Maryland
61	Bradley M Armacost	4	Son	—	Maryland
62	Audrey K Armacost	2	Daughter	—	Maryland
63	Laura H Burden	60	Lodger	—	Maryland
64	Vernon S Strevig	25	Head	Farmer	Maryland
65	Dessie M Strevig	34	Wife	—	Maryland
66	Wayne S Strevig	16	Son	—	Maryland
67	Ada B Strevig	14	Daughter	—	Maryland
68	Robert B Strevig	11	Son	—	Maryland
69	Everett A Strevig	10	Son	—	Maryland
70	Jennie S Kruger	66	Head	Farmer	Maryland
71	Alfred S Mayer	57	Head	Farmer	Maryland
72	Lydia B Mayer	47	Wife	—	Maryland
73	Helen M Mayer	10	Daughter	—	Maryland
74	George D Mayer	7	Son	—	Maryland
75	Virginia B Mayer	5	Daughter	—	Maryland
76	George W Martin	44	Head	Farmer	Maryland
77	Rachel B Martin	42	Wife	—	Maryland
78	Leroy C Martin	7	Son	—	Maryland
79	James R Martin	37	Head	Farmer	Maryland
80	Ira M Martin	40	Wife	—	Pennsylvania

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Pedigree Summary

Lawrence

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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