Mary Knight — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Middlesex-County, Massachusetts

Our Model Tree links this Mary Knight across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 4-person household.

Age 50 b. ~1890 Female Spouse Born: Scotland Married

1940 Census Record Details

Census Year	1940
Location	Middlesex-County, Massachusetts
Surname	Knight
Given Name	Mary M.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Scotland
1935 Residence (City)	Weston
Naturalization Status	Naturalized
Additional Details
Highest Grade	8
Birth Country	Scotland
Birthplace (normalized)	scotland
Township / Ward	Weston
Est. Birth Year	~1890

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
Barbara Knight	Daughter	—	18	~1922
Benjamin Knight	Head	—	47	~1893
Donald Knight	Son	—	16	~1924
Mary Knight	Spouse	—	50	~1890

Census Appearances

1920

Middlesex, Massachusetts

Spouse, age 30

Middlesex, Massachusetts · implied b. ~1890 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Knight
Given Name	Mary M.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	30
Marital Status	Married
Birthplace	Scotland
Year of Immigration	1908
Naturalization Status	Naturalized
Father's Birthplace	Italy
Mother's Birthplace	Italy
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Scotch
Birth Country	Scotland
Year of Naturalization	1916
Birthplace (normalized)	scotland

1930

Middlesex, Massachusetts

Other, age 39

Middlesex, Massachusetts · implied b. ~1891 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Knight
Given Name	Mary S.
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Scotland
Naturalization Status	Naturalized
Year of Immigration	1908
Age at First Marriage	27
Father's Birthplace	Italy
Mother's Birthplace	Italy
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Scotland
Birthplace (normalized)	scotland

1940

Middlesex-County, Massachusetts

Spouse, age 50

Middlesex-County, Massachusetts · implied b. ~1890 — 4 household members

Surname	Knight
Given Name	Mary M.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Scotland
1935 Residence (City)	Weston
Naturalization Status	Naturalized
Highest Grade	8
Birth Country	Scotland
Birthplace (normalized)	scotland

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Mary Knight

Spouse · 1940 · age 50 · b. ~1890 · Massachusetts

★ 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 — Middlesex-County, Massachusetts Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01621-00538)

Line	Name	Age	Relation	Occupation	Birthplace
1	Dallas Corcoran	54	Head	Executive	New Jersey
2	Marguerite Corcoran	36	Wife	—	Mass
3	Eleanor Corcoran	5	Daughter	—	Mass
4	Marguerite Corcoran	3	Daughter	—	Mass
5	Dorothy Corcoran	3	Daughter	—	Mass
6	Marguerite Pee	32	Governess	Governess	Belgium
7	Margaret Griffin	33	Cook	Cook	Canada
8	Nelly Arnold	34	Butler	Butler	Nebraska
9	Thomas R. Henry	53	Head	50	Mass
10	Mary E. Henry	52	Wife	—	Mass
11	John Paul Henry	26	Son	50	Mass
12	Rodger T. Henry	25	Son	—	Indiana
13	Edward F. Henry	20	Son	—	Mass
14	Philip G. Henry	18	Son	—	Mass
15	James D. Henry	12	Son	—	Penn
16	William C. Henry	7	Son	—	Mass
17	Benjamin H. Knight	47	Head	60	Maine
18	Mary M. Knight THIS PERSON	50	Wife	—	Scotland
19	Donald B. Knight	16	Son	—	Mass
20	Barbara L. Knight	18	Daughter	—	Mass
21	Alice G. Donald	57	Head	—	Mass
22	Charlotte Donald	19	Daughter	—	Mass
23	George G. Jr. Donald	18	Son	—	Mass
24	Charlotte Garland	79	Mother-in-law	—	Mass
25	Celia O'Brien	37	Maid	Maid	Canada
26	Catherine Maceachern	59	Waitress	Waitress	Canada
27	Everett M. Studley	42	Head	Investment Counselor	Mass
28	Elizabeth Studley	36	Wife	—	Mass
29	Joseph E. Ii Studley	11	Son	—	Mass
30	Robert H. Studley	7	Son	—	Mass
31	Charles W. Sr. Hubbard	73	Head	—	Mass
32	Doris Hubbard	38	Companion	72	Mass
33	Alice I. Watters	43	Maid	70	Canada
34	Thaddeus Nichols	55	Head	Writer	New York
35	Elizabeth Nichols	31	Wife	—	Mass
36	John E. Nichols	4	Son	—	Mass
37	Infant Nichols	0	Son	—	Mass
38	Edith Bailey	41	Maid	Practical Nurse	New York
39	William A. Barron	47	Head	50	Mass
40	Emily W. Barron	42	Wife	—	Mass

Search for Mary Knight

All Mary Knight Census Records Discover Knight Family Tree

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)

Report inaccurate data