Mary Lawrence — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Marion-County, Indiana

Our Model Tree links this Mary Lawrence across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 4-person household.

Age 55 b. ~1885 Female Spouse Born: Scotland Married

1940 Census Record Details

Census Year	1940
Location	Marion-County, Indiana
Surname	Lawrence
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Scotland
1935 Residence (City)	Indianapolis
1935 Residence (County)	Marion
Naturalization Status	Naturalized
Additional Details
Income (1939)	0
Highest Grade	8
1935 Residence	Same place
Birth Country	Scotland
Birthplace (normalized)	scotland
Township / Ward	Indianapolis
Est. Birth Year	~1885

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Edward Lawrence	Head	—	56	~1884
Alice James	Other	—	85	~1855
William James	Son	—	30	~1910
Mary Lawrence	Spouse	—	55	~1885

Census Appearances

1920

Marion, Indiana

Spouse, age 36

Marion, Indiana · implied b. ~1884 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lawrence
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Scotland
Year of Immigration	1905
Naturalization Status	Naturalized
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Scotch
Birth Country	Scotland
Birthplace (normalized)	scotland

1930

Marion, Indiana

Spouse, age 46

Marion, Indiana · implied b. ~1884 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lawrence
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	46
Marital Status	Married
Birthplace	Scotland
Naturalization Status	Naturalized
Year of Immigration	1899
Age at First Marriage	21
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Can Read/Write	Yes
Mother Tongue	Scotch
Birth Country	Scotland
Birthplace (normalized)	scotland

1940

Marion-County, Indiana

Spouse, age 55

Marion-County, Indiana · implied b. ~1885 — 4 household members

Surname	Lawrence
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Scotland
1935 Residence (City)	Indianapolis
1935 Residence (County)	Marion
Naturalization Status	Naturalized
Income (1939)	0
Highest Grade	8
1935 Residence	Same place
Birth Country	Scotland
Birthplace (normalized)	scotland

Model Tree

Linked across censuses

Our Model Tree links Mary Lawrence across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Lawrence

Spouse · 1940 · age 55 · b. ~1885 · Indiana

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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 — Marion-County, Indiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01076-00169)

Line	Name	Age	Relation	Occupation	Birthplace
41	Harley Ingram	30	Head	Electrical Engineer	Arkansas
42	Freda Ingram	31	Wife	—	Missouri
43	Patricia Louise Ingram	6	Daughter	—	Indiana
44	David Johns	51	Head	Postal Clerk	Illinois
45	Arla Johns	52	Wife	—	Indiana
46	Preston Stinson	59	Head	Bookkeeper	Indiana
47	Katherine Stinson	55	Wife	—	Indiana
48	Herman Phil	57	Head	Florist	Indiana
49	William H. Phil	61	Brother	—	Indiana
50	Walter Tellman	49	Head	Wood Mechanic	Indiana
51	Malinda Tellman	40	Wife	—	Indiana
52	Ruth Tellman	16	Daughter	—	Indiana
53	Howard Tellman	13	Son	—	Indiana
54	Joseph J. Collins	57	Head	Die Maker	Ohio
55	Nellie B. Collins	53	Wife	—	Ohio
56	Curtis Graber	26	Head	Tempered Steel	Indiana
57	Ruby Graber	25	Wife	—	Indiana
58	Leonard Gregg	25	Head	Carpenter	Indiana
59	Marjorie Gregg	23	Wife	—	North Carolina
60	Elizabeth Gregg	2	Daughter	—	Florida
61	William Jones	24	Head	Service Salesman	Indiana
62	Pauline Jones	21	Wife	Waitress	Indiana
63	Howard Ostewig	58	Head	Elevator Constructor	Illinois
64	Oleda Ostewig	57	Wife	—	Indiana
65	Earl Gingrey	49	Head	Shipper	Illinois
66	Laura Ella Gingrey	66	Mother	—	Ohio
67	Glenn Duckworth	32	Head	Soldier	West Virginia
68	Madge Duckworth	28	Wife	Finisher	Indiana
69	Harold Mccormick	19	Step-son	—	Indiana
70	George D. Renner	19	Roomer	New Worker	Indiana
71	Edward Hasseld	65	Head	Agent	Indiana
72	Eva L. Hasseld	59	Wife	—	Indiana
73	Robert N. Hasseld	16	Son	—	Indiana
74	Raymond Knoop	32	Son	Laborer	Indiana
75	Jacqueline Knoop	22	Daughter	Stenographer	Indiana
76	Edward Lawrence	56	Head	Assembly Man	Indiana
77	Mary Lawrence THIS PERSON	55	Wife	—	Scotland
78	William James	30	Son	Painter	Indiana
79	Alice Jane James	85	Aunt	—	Illinois
80	Andrew Muldoon	56	Head	Mechanic	Scotland

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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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