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Margaret Mason — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Rensselaer-County, New York

Our Model Tree links this Margaret Mason across the 1930 and 1940 US Censuses in Rensselaer-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.

Age 14 b. ~1926 Female Daughter Born: New York Single

1940 Census Record Details

Census Year1940
LocationRensselaer-County, New York
SurnameMason
Given NameMargaret
Relationship to Headdaughter
SexF
Color / RaceWhite
Age14
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Brunswick
1935 Residence (County)Rensselaer
Additional Details
Occupationstudent
Industryeducation
Income (1939)0
Highest Grade8
1935 ResidenceSame house
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationStudent
Township / WardBrunswick
Est. Birth Year~1926

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.

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

Name Relation to head Relative to Margaret Age Birth yr
Julia Mason Head — 42 ~1898
Frank Mason Son — 6 ~1934
Raymond Mason Son — 10 ~1930
Emma Mason Daughter — 15 ~1925
Letitia Mason Daughter — 20 ~1920
Alex Mason Son — 19 ~1921
James Mason Son — 22 ~1918
Margaret Mason Daughter — 14 ~1926

Census Appearances

1930
Rensselaer, New …
Daughter, age 4
Rensselaer, New York · implied b. ~1926 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Mason
Given Name Margaret M
Relationship to Head Daughter
Sex F
Color / Race White
Age 4
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Can Read/Write No
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Rensselaer-County, New …
Daughter, age 14
Rensselaer-County, New York · implied b. ~1926 — 8 household members
Surname Mason
Given Name Margaret
Relationship to Head daughter
Sex F
Color / Race White
Age 14
Marital Status Single
Birthplace New York
1935 Residence (City) Brunswick
1935 Residence (County) Rensselaer
Occupation student
Industry education
Income (1939) 0
Highest Grade 8
1935 Residence Same house
Birth State New York
Birth Country United States
Birthplace (normalized) new york

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 Margaret Mason across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Mason
Daughter · 1940 · age 14 · b. ~1926 · New York
★ You are viewing this record
Sibling
Alex Mason
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Mason
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Mason
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Letitia Mason
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mason
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Mason
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Rensselaer-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02756-00157)

Line Name Age Relation Occupation Birthplace
1 Joseph Desler 5 son — New York
2 Mary Ann Desler 3 daughter — New York
3 Margaret Meagher 61 sister — New York
4 William O'Neil 50 Head Clerk New York
5 Marjory O'Neil 43 wife — New York
6 Jean O'Neil 18 daughter Student New York
7 Marjory O'Neil 17 daughter Student New York
8 Clara O'Neil 11 daughter Student New York
9 William Jr O'Neil 15 son Student New York
10 Julia Mason 42 Head Private New York
11 James Mason 22 son Bookkeeper New York
12 Letitia Mason 20 daughter Cashier New York
13 Alex Mason 19 son Student New York
14 Emma Mason 15 daughter Student New York
15 Margaret Mason THIS PERSON 14 daughter Student New York
16 Raymond Mason 10 son — New York
17 Frank Mason 6 son — New York
18 Edward Hoffay 30 Head Assistant New York
19 Josephine Hoffay 26 wife — New York
20 Grace Hoffay 3 daughter — New York
21 Irene Hoffay 2 daughter — New York
22 Rebecca Finley 58 Head Collar Maker New York
23 Marion Finley 31 daughter Machine Operator New York
24 Marion Seymour 11 g-child — New York
25 Shirley Seymour 9 g-child — New York
26 William Koenig 40 Head Machinist Germany
27 Elizabeth Koenig 43 wife — Germany
28 Martha Koenig 7 daughter — New York
29 Earl Koenig 4 son — New York
30 Mason Jaquils|Jaquits 42 Head Contractor New York
31 Katherine Jaquils|Jaquits 39 wife — New York
32 Beverly Jaquils|Jaquits 13 daughter — New York
33 William Gauthier 57 Head Caretaker New York
34 Lena Gauthier 55 wife — New York
35 William E Gauthier 16 son Student New York
36 Clifford Lafferty 45 Head Fireman New York
37 Emma Lafferty 44 wife — New York
38 Lillian Lafferty 18 daughter Secretary New York
39 Melvin Lafferty 11 son — New York
40 Nicholas Rymiller 50 Head Maker New York

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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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