Mary Ferguson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Washington-County, Pennsylvania

Our Model Tree links this Mary Ferguson across the 1920, 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1850), then head of a 2-person household.

Age 90 b. ~1850 Female Head Born: Scotland Widowed

1940 Census Record Details

Census Year	1940
Location	Washington-County, Pennsylvania
Surname	FERGUSON
Given Name	MARY
Relationship to Head	Head
Sex	F
Color / Race	White
Age	90
Marital Status	Widowed
Birthplace	Scotland
1935 Residence (City)	CARROLL TOWNSHIP
1935 Residence (County)	WASHINGTON
Naturalization Status	Naturalized
Additional Details
Class of Worker	0
Highest Grade	No 2
1935 Residence	Same place
Birth Country	Scotland
Birthplace (normalized)	scotland
Township / Ward	Carroll Township
Est. Birth Year	~1850

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Ferguson	Head	—	90	~1850
Alexander Ferguson	Son	—	54	~1886

Census Appearances

1920

Washington, Pennsylvania

Head, age 67

Washington, Pennsylvania · implied b. ~1853 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Ferguson
Given Name	Margaret
Relationship to Head	Head
Sex	F
Color / Race	White
Age	67
Marital Status	Widowed
Birthplace	Scotland
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

Washington, Pennsylvania

Head, age 77

Washington, Pennsylvania · implied b. ~1853

● Primary link · ~Confirmed · 1 source

XGBoost

Surname	Ferguson
Given Name	Margaret
Relationship to Head	Head
Sex	F
Color / Race	White
Age	77
Marital Status	Widowed
Birthplace	Scotland
Naturalization Status	Naturalized
Year of Immigration	1880
Age at First Marriage	20
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Can Read/Write	Yes
Mother Tongue	Scotch
Home Owned/Rented	O
Home Value / Rent	3000
Veteran	No
Birth Country	Scotland
Birthplace (normalized)	scotland

1940

Washington-County, Pennsylvania

Head, age 90

Washington-County, Pennsylvania · implied b. ~1850 — 2 household members

Surname	FERGUSON
Given Name	MARY
Relationship to Head	Head
Sex	F
Color / Race	White
Age	90
Marital Status	Widowed
Birthplace	Scotland
1935 Residence (City)	CARROLL TOWNSHIP
1935 Residence (County)	WASHINGTON
Naturalization Status	Naturalized
Class of Worker	0
Highest Grade	No 2
1935 Residence	Same place
Birth Country	Scotland
Birthplace (normalized)	scotland

Model Tree

Linked across censuses

Our Model Tree links Mary Ferguson 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 Ferguson

Head · 1940 · age 90 · b. ~1850 · Pennsylvania

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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 — Washington-County, Pennsylvania Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03621-00037)

Line	Name	Age	Relation	Occupation	Birthplace
1	Robert G. Baldwin	16	Son	—	Pennsylvania
2	William Novellwood	65	Head	Janitor	Pennsylvania
3	Jennie Novellwood	61	Wife	—	Pennsylvania
4	Base Sveitz	60	Head	—	Austria
5	Fred Sveitz	19	Son	Storage Room Worker	Pennsylvania
6	Mary Miklos	44	Lodger	Maid	Czeck-Slovak
7	Frank Sullivan	51	Head	Structural Iron Worker	Pennsylvania
8	Marie Sullivan	50	Wife	—	Pennsylvania
9	Mary Ferguson THIS PERSON	90	Head	—	Scotland
10	Alexander Ferguson	54	Son	Brakeman	Scotland
11	Joseph Pekar	58	Head	Open Hearth Laborer	Czeck-Slovak
12	Madeline Pekar	55	Wife	—	Czeck-Slovak
13	Jonas Pekar	17	Son	—	Pennsylvania
14	Annie Pekar	12	Daughter	—	Pennsylvania
15	Edward George	27	Head	Billet Sorter	Pennsylvania
16	Sarah George	26	Wife	—	Pennsylvania
17	Katie George	58	Head	Seamstress	Belgium
18	Charles Stenler	85	Head	—	Pennsylvania
19	Daniel Stenler	63	Nephew	—	Pennsylvania
20	Mildred Stenler	62	Niece	—	Pennsylvania
21	Charles Grant	26	Head	Laborer	Pennsylvania
22	Helen Grant	24	Wife	—	Pennsylvania
23	Cathleen Grant	6	Daughter	—	Pennsylvania
24	Charles Sweitzer	7	Nephew	—	Pennsylvania
25	Francis Sullivan	26	Lodger	Auto-Wrecker	Pennsylvania
26	William L. Mcgiffin	45	Head	Laborer	Pennsylvania
27	Irene Mcgiffin	41	Wife	—	Pennsylvania
28	William L. Jr. Mcgiffin	19	Son	New-Worker	Pennsylvania
29	Georgetta Mcgiffin	16	Daughter	—	Pennsylvania
30	Louise M. Mcgiffin	9	Daughter	—	Pennsylvania
31	Milton Mcgiffin	4	Son	—	Pennsylvania
32	Hugh Sr. Mcnab	49	Head	Laborer	Scotland
33	Lillian Mcnab	47	Wife	—	Scotland
34	Ellen Mcnab	18	Daughter	Waitress	Scotland
35	Lillian Mcnab	16	Daughter	—	Pennsylvania
36	Margaret Mcnab	12	Daughter	—	Pennsylvania
37	Archer Mcnab	10	Son	—	Pennsylvania
38	Hugh Jr. Mcnab	8	Son	—	Pennsylvania
39	William Mcnab	3	Son	—	Pennsylvania
40	Flora Mcnab	0	Daughter	—	Pennsylvania

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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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