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John Mack — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Mack across the 1930 and 1940 US Censuses in Oneida-County, New York (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 11-person household.

Age 49 b. ~1891 Male Head Born: Poland Married

1940 Census Record Details

Census Year1940
LocationOneida-County, New York
SurnameMack
Given NameJohn
Relationship to HeadHead
SexM
Color / RaceWhite
Age49
Marital StatusMarried
BirthplacePoland
1935 Residence (City)Deerfield
1935 Residence (County)Oneida
Naturalization StatusFirst papers filed
Additional Details
OccupationLabor
IndustryCotton mill
Class of WorkerPW
Hours Worked40
Income (1939)988
Highest GradeNo 5
1935 ResidenceSame place
Birth CountryPoland
Birthplace (normalized)poland
OccupationLabor
Township / WardDeerfield
Est. Birth Year~1891

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.

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

Name Relation to head Relative to John Age Birth yr
Bertha Mack Daughter — 14 ~1926
Mary Mack Spouse — 47 ~1893
Cecelia Mack Daughter — 8 ~1932
Caroline Mack Daughter — 6 ~1934
John Mack Son — 16 ~1924
Edmond Mack Son — 18 ~1922
Katherine Mack Daughter — 3 ~1937
Anna Mack Daughter — 13 ~1927
Theresa Mack Daughter — 10 ~1930
John Mack Head — 49 ~1891
Harry Mack Son — 20 ~1920

Census Appearances

1930
Oneida, New …
Head, age 40
Oneida, New York · implied b. ~1890 — 10 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Mack
Given Name John
Relationship to Head Head
Sex M
Color / Race White
Age 40
Marital Status Married
Birthplace Poland
Naturalization Status First papers filed
Year of Immigration 1907
Age at First Marriage 20
Father's Birthplace Poland
Mother's Birthplace Poland
Occupation Farmer
Industry Dairy Farm
Class of Worker O
Can Read/Write Yes
Mother Tongue Polish
Home Owned/Rented R
Birth Country Poland
Birthplace (normalized) poland
1940
Oneida-County, New …
Head, age 49
Oneida-County, New York · implied b. ~1891 — 11 household members
Surname Mack
Given Name John
Relationship to Head Head
Sex M
Color / Race White
Age 49
Marital Status Married
Birthplace Poland
1935 Residence (City) Deerfield
1935 Residence (County) Oneida
Naturalization Status First papers filed
Occupation Labor
Industry Cotton mill
Class of Worker PW
Hours Worked 40
Income (1939) 988
Highest Grade No 5
1935 Residence Same place
Birth Country Poland
Birthplace (normalized) poland

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 John Mack across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mack
Head · 1940 · age 49 · b. ~1891 · New York
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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 — Oneida-County, New York Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-02700-00342)

Line Name Age Relation Occupation Birthplace
1 Peter Smolinsky 25 Son Farm Labor N.Y.
2 Frank Smolinsky 18 Son — N.Y.
3 George Smolinsky 16 Son — N.Y.
4 Helen Smolinsky 10 Daughter — N.Y.
6 Katherine Walendziak 51 Head Farmer Poland
7 Cecelia Walendziak 32 Daughter — N.Y.
8 Dominick Walendziak 30 Son Farm Labor N.Y.
9 Stanley Walendziak 21 Son Farm Labor N.Y.
10 Joseph Walendziak 19 Son Farm Labor N.Y.
11 Alexandra Walendziak 16 Daughter — N.Y.
12 Josephine Schriver 76 Head — Germany
13 Louisa K. Mcgrath 51 Head — N.Y.
14 Thomas J. Carrol 53 Head Labor N.Y.
15 Mable Carrol 39 Wife — N.Y.
16 William B. Metzger 37 Head Farmer Germany
17 John Mack THIS PERSON 49 Head Labor Poland
18 Mary Mack 47 Wife — Massachusetts
19 Harry Mack 20 Son Baker N.Y.
20 Edmond Mack 18 Son Baker Helper N.Y.
21 John Mack 16 Son Farm Labor N.Y.
22 Bertha Mack 14 Daughter — N.Y.
23 Anna Mack 13 Daughter — N.Y.
24 Theresa Mack 10 Daughter — N.Y.
25 Cecelia Mack 8 Daughter — N.Y.
26 Caroline Mack 6 Daughter — N.Y.
27 Katherine Mack 3 Daughter — N.Y.
29 Fred Yeager 59 Head Farmer N.Y.
30 Nellie Yeager 57 Wife — N.Y.
31 John, P. Schmidt 32 Head Chlorinator N.Y.
32 Katherine A. Schmidt 27 Wife — N.Y.
33 John C. Schmidt 5 Son — N.Y.
34 Norman L. Schmidt 3 Son — N.Y.
35 John P. Schmidt 67 Father Retired N.Y.
36 Sophia M. Schmidt 68 Mother — N.Y.
37 John Mathew 67 Head Farmer N.Y.
38 Emily Mathew 65 Wife — England
39 Francis D. Mathew 37 Son Farmer N.Y.
40 James A. Cass 58 Head Insurance Rating Agent N.Y.

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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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