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Mary Ferguson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Delaware-County, Pennsylvania

Our Model Tree links this Mary Ferguson across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 3-person household.

Age 62 b. ~1878 Female Spouse Born: DELAWARE Married

1940 Census Record Details

Census Year1940
LocationDelaware-County, Pennsylvania
SurnameFERGUSON
Given NameMARY S.
Relationship to HeadWIFE
SexF
Color / RaceWhite
Age62
Marital StatusMarried
BirthplaceDELAWARE
1935 Residence (City)RIDLEY PARK BORO.
1935 Residence (County)DELAWARE
Additional Details
Highest GradeNo H-4
1935 ResidenceSAME PLACE
Birth StateDelaware
Birth CountryUnited States
Birthplace (normalized)delaware
Township / WardRidley Park Boro
Est. Birth Year~1878

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
Bassett Ferguson Head — 62 ~1878
Eugene Ferguson Son — 24 ~1916
Mary Ferguson Spouse — 62 ~1878

Census Appearances

1920
Delaware, Pennsylvania
Spouse, age 43
Delaware, Pennsylvania · implied b. ~1877 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Ferguson
Given Name Mary S
Relationship to Head Wife
Sex F
Color / Race White
Age 43
Marital Status Married
Birthplace Delaware
Father's Birthplace Delaware
Mother's Birthplace Delaware
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State Delaware
Birth Country United States
Birthplace (normalized) delaware
1930
Delaware, Pennsylvania
Other, age 53
Delaware, Pennsylvania · implied b. ~1877 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Ferguson
Given Name Mary S.
Relationship to Head Wife-H
Sex F
Color / Race White
Age 53
Marital Status Married
Birthplace Delaware
Age at First Marriage 29
Father's Birthplace Delaware
Mother's Birthplace Delaware
Occupation none
Can Read/Write Yes
Birth State Delaware
Birth Country United States
Birthplace (normalized) delaware
1940
Delaware-County, Pennsylvania
Spouse, age 62
Delaware-County, Pennsylvania · implied b. ~1878 — 3 household members
Surname FERGUSON
Given Name MARY S.
Relationship to Head WIFE
Sex F
Color / Race White
Age 62
Marital Status Married
Birthplace DELAWARE
1935 Residence (City) RIDLEY PARK BORO.
1935 Residence (County) DELAWARE
Highest Grade No H-4
1935 Residence SAME PLACE
Birth State Delaware
Birth Country United States
Birthplace (normalized) delaware

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
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.
Show:
This person
Anchor record
Mary Ferguson
Spouse · 1940 · age 62 · b. ~1878 · Pennsylvania
★ 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 — Delaware-County, Pennsylvania Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03495-00649)

Line Name Age Relation Occupation Birthplace
1 Alvin Willey 42 BROTHER Machinist NORTH CAROLINA
2 William E. Baker 53 HEAD Watchman DELAWARE
3 Clara Q Baker 56 WIFE — DELAWARE
4 William T. Baker 22 SON Paint Contractor DELAWARE
5 Alice Baker 23 DAUGHTER-IN-LAW — PENNSYLVANIA
6 Clara Baker 1 GRAND-DAUGHTER — PENNSYLVANIA
7 Samuel R. Johnston 48 HEAD Drug Clerk PENNSYLVANIA
8 Marion E. Johnston 41 WIFE — NEW JERSEY
9 Donald Johnston 14 SON — PENNSYLVANIA
10 Diane Johnston 11 DAUGHTER — PENNSYLVANIA
11 Elizabeth Messick 38 HEAD Secretary PENNSYLVANIA
12 Anthony Messick 37 BROTHER Substitute Letter-Carrier PENNSYLVANIA
13 Mary C. Eby 67 HEAD — GERMANY
14 Margaret Eby 36 DAUGHTER Typist PENNSYLVANIA
15 Edna Mae Thomas 43 DAUGHTER — PENNSYLVANIA
16 Frank Thomas 44 SON-IN-LAW Still Operator NEW JERSEY
17 Leta Thomas 13 GRAND-DAUGHTER — PENNSYLVANIA
18 Arthur Walker 25 LODGER Teacher PENNSYLVANIA
19 Charlotte Eynon 40 HEAD — PENNSYLVANIA
20 David Eynon 14 SON — PENNSYLVANIA
21 Joan Eynon 9 DAUGHTER — PENNSYLVANIA
22 Charles Turner 54 HEAD Lace Mills PENNSYLVANIA
23 Florence Turner 52 WIFE — PENNSYLVANIA
24 William Turner 29 SON — PENNSYLVANIA
25 Maude L. Stouffer 76 HEAD — ENGLISH
26 Ruth Lewis 30 DAUGHTER Demonstrator PENNSYLVANIA
27 Robert Lewis 8 GRAND-DAUGHTER — PENNSYLVANIA
28 Robert Dugan 32 HEAD Clerk PENNSYLVANIA
29 Mildred Dugan 26 WIFE — MARYLAND
30 Robert Jr. Dugan 1 SON — PENNSYLVANIA
31 De Wayne Mays 30 HEAD Driver Salesman PENNSYLVANIA
32 Edna Q Mays 27 WIFE — PENNSYLVANIA
33 Patricia Mays 6 DAUGHTER — PENNSYLVANIA
34 Shirley Mays 4 DAUGHTER — PENNSYLVANIA
35 Bassett Ferguson 62 HEAD — DELAWARE
36 Mary S. Ferguson THIS PERSON 62 WIFE — DELAWARE
37 Eugene S. Ferguson 24 SON Mechanical Engineer DELAWARE
38 William A. Griswold 59 HEAD Electric Repairs PENNSYLVANIA
39 Alvin Carney 36 HEAD Clerk NEW JERSEY
40 Clara Carney 36 WIFE — NEW JERSEY

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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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