Mary Clifford — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Middlesex-County, Massachusetts

Our Model Tree links this Mary Clifford across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1866), then head of a 3-person household.

Age 74 b. ~1866 Female Spouse Born: England Married

1940 Census Record Details

Census Year	1940
Location	Middlesex-County, Massachusetts
Surname	Clifford
Given Name	Mary B
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	74
Marital Status	Married
Birthplace	England
1935 Residence (City)	Ashland
1935 Residence (County)	Middlesex
Naturalization Status	Naturalized
Additional Details
Income (1939)	0
Highest Grade	H 8
1935 Residence	Same Place
Birth Country	England
Birthplace (normalized)	england
Township / Ward	Ashland
Est. Birth Year	~1866

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 Mary	Age	Birth yr
Henry Clifford	Head	—	89	~1851
Ernest Clifford	Son	—	40	~1900
Mary Clifford	Spouse	—	74	~1866

Census Appearances

1920

Middlesex, Massachusetts

Spouse, age 58

Middlesex, Massachusetts · implied b. ~1862 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clifford
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	58
Marital Status	Married
Birthplace	England
Year of Immigration	1890
Naturalization Status	Naturalized
Father's Birthplace	England
Mother's Birthplace	England
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	England
Year of Naturalization	1902
Birthplace (normalized)	england

1930

Middlesex, Massachusetts

Spouse, age 64

Middlesex, Massachusetts · implied b. ~1866 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clifford
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	64
Marital Status	Married
Birthplace	England
Naturalization Status	Naturalized
Year of Immigration	1880
Age at First Marriage	26
Father's Birthplace	England
Mother's Birthplace	England
Can Read/Write	Yes
Mother Tongue	English
Birth Country	England
Birthplace (normalized)	england

1940

Middlesex-County, Massachusetts

Spouse, age 74

Middlesex-County, Massachusetts · implied b. ~1866 — 3 household members

Surname	Clifford
Given Name	Mary B
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	74
Marital Status	Married
Birthplace	England
1935 Residence (City)	Ashland
1935 Residence (County)	Middlesex
Naturalization Status	Naturalized
Income (1939)	0
Highest Grade	H 8
1935 Residence	Same Place
Birth Country	England
Birthplace (normalized)	england

Model Tree

Linked across censuses

Our Model Tree links Mary Clifford 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 Clifford

Spouse · 1940 · age 74 · b. ~1866 · Massachusetts

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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 — Middlesex-County, Massachusetts Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01602-00301)

Line	Name	Age	Relation	Occupation	Birthplace
1	Harris Ballard	77	Head	—	Mass
2	Julia F Ballard	76	Wife	—	Mass
3	Viola Ballard	50	Daughter	—	Mass
4	Leroy Ballard	49	Son	—	Mass
5	George Erwin	29	Head	Operator	Mass
6	Dorothy D Erwin	27	Wife	—	Mass
7	Richard Erwin	4	Son	—	Mass
8	Santo Romeo	40	Head	Store Keeper	Italy
9	Marietta D Romeo	34	Wife	Store Keeper	Mass
10	Paul Romeo	12	Son	—	Mass
11	Dorothy Romeo	10	Daughter	—	Mass
12	Idola Jenkins	34	Housekeeper	Housekeeper	New Hampshire
13	Henry Clifford	89	Head	—	Australia
14	Mary B Clifford THIS PERSON	74	Wife	—	England
15	Ernest Clifford	40	Son	Carpenter	Mass
16	Frederick Pope	54	Head	Clerk	Vermont
17	Elizabeth Pope	50	Wife	—	Mass
18	William Pope	24	Son	Stock Man	Mass
19	Charlotte Pope	16	Daughter	Clerk	Mass
20	Barbara Pope	7	Grand Daughter	—	Mass
21	Robert Pope	4	Grand Son	—	Mass
22	Franklin S Sause	50	Head	State Protector	Illinois
23	Walter King	51	Roomer	State Protector	Conn
24	Katherine King	43	Daughter	—	Illinois
25	Edward Hayward	19	Nephew	Attendant	Mass
26	Roland H Holley	30	Head	Clerk	Mass
27	Ralph S Bell	71	Head	Assessor	Mass
28	Mina Bell	71	Wife	—	England
29	Gladys Bell	20	Daughter	—	Mass
30	Adelaide J Lathrop	62	Head	—	Rhode Island
31	Joseph Gelbauch	57	Lodger	—	Mass
32	George H Rice	75	Head	—	Mass
33	Herbert Grand	35	Lodger	Driver	Mass
34	Algot Eklund	50	Head	Mechanic	Sweden
35	Esta E Eklund	46	Wife	—	Mass
36	Eleanor Eklund	21	Daughter	—	Mass
37	Ernest Eklund	21	Son	—	Mass
38	Gertrude Eklund	12	Daughter	—	Mass
39	Mildred Eklund	9	Daughter	—	Mass
40	Jon Eklund	1	Son	—	Mass

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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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