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Mary Flynn — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Essex-County, Massachusetts

Our Model Tree links this Mary Flynn across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 9-person household.

Age 47 b. ~1893 Female Spouse Born: Ireland Married

1940 Census Record Details

Census Year1940
LocationEssex-County, Massachusetts
SurnameFlynn
Given NameMary J.
Relationship to HeadWife
SexF
Color / RaceWhite
Age47
Marital StatusMarried
BirthplaceIreland
1935 Residence (City)Lynn
1935 Residence (County)Essex
Naturalization StatusNaturalized
Additional Details
Highest GradeNo 6
1935 ResidenceSame place
Birth CountryIreland
Birthplace (normalized)ireland
Township / WardLynn
Est. Birth Year~1893

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.

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

Name Relation to head Relative to Mary Age Birth yr
Mary Flynn Daughter — 23 ~1917
Julia Flynn Daughter — 11 ~1929
Margaret Flynn Daughter — 6 ~1934
James Flynn Head — 53 ~1887
James Flynn Son — 19 ~1921
George Flynn Son — 9 ~1931
Thomas Flynn Son — 15 ~1925
John Flynn Son — 17 ~1923
Mary Flynn Spouse — 47 ~1893

Census Appearances

1920
Suffolk, Massachusetts
Spouse, age 27
Suffolk, Massachusetts · implied b. ~1893 — 2 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Flynn
Given Name Mary
Relationship to Head Wife
Sex F
Color / Race White
Age 27
Marital Status Married
Birthplace Ireland
Father's Birthplace Ireland
Mother's Birthplace Ireland
Occupation none
Can Read Yes
Can Write Yes
Speaks English Yes
Mother Tongue English
Birth Country Ireland
Birthplace (normalized) ireland
1930
Middlesex, Massachusetts
Other, age 37
Middlesex, Massachusetts · implied b. ~1893 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Flynn
Given Name Mary
Relationship to Head Wife-H
Sex F
Color / Race White
Age 37
Marital Status Married
Birthplace Ireland
Naturalization Status Naturalized
Year of Immigration 1910
Age at First Marriage 23
Father's Birthplace Ireland
Mother's Birthplace Ireland
Can Read/Write Yes
Mother Tongue English
Birth Country Ireland
Birthplace (normalized) ireland
1940
Essex-County, Massachusetts
Spouse, age 47
Essex-County, Massachusetts · implied b. ~1893 — 9 household members
Surname Flynn
Given Name Mary J.
Relationship to Head Wife
Sex F
Color / Race White
Age 47
Marital Status Married
Birthplace Ireland
1935 Residence (City) Lynn
1935 Residence (County) Essex
Naturalization Status Naturalized
Highest Grade No 6
1935 Residence Same place
Birth Country Ireland
Birthplace (normalized) ireland

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 Flynn across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Flynn
Spouse · 1940 · age 47 · b. ~1893 · 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 — Essex-County, Massachusetts Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01696-00006)

Line Name Age Relation Occupation Birthplace
1 Patrick Duffy 55 Brother Labourer Mass.
2 Esther A. Hebrok 52 Lodger Clerk Mass.
3 Pauline E. Sheehan 45 Head Housekeeper Mass.
4 Elias P. White 40 Brother Truck Driver Mass.
5 Laurence G. Fowler 54 Head Taster Mass.
6 Jennie N. Fowler 52 Wife — Mass.
7 Helen M. Fowler 26 Daughter Sales Manager Mass.
8 Doris Fowler 20 Daughter Sewing Mach. Mass.
9 James T. Buckley 47 Head Glazer Mass.
10 Alice G. Buckley 42 Wife — Mass.
11 John P. Buckley 22 Son Labourer Mass.
12 James L. Buckley 21 Son Labourer Mass.
13 Catherine M. Buckley 19 Daughter Punch-Press Mass.
14 Clara A. Buckley 16 Daughter — Mass.
15 Eileen J. Buckley 13 Daughter — Mass.
16 Marguerite Buckley 11 Daughter — Mass.
17 Mary L. Buckley 10 Daughter — Mass.
18 Robert D. Buckley 8 Son — Mass.
19 Phyllis C. Buckley 6 Daughter — Mass.
20 Gertrude L. Buckley 4 Daughter — Mass.
21 Eli Valeri 46 Head Proprietor Italy
22 Sarah J. Valeri 42 Wife — Mass.
23 Richard Valeri 7 Son — Mass.
24 Raymond D. Leblanc 29 Head Shoe Cutter Mass.
25 Leona R. Leblanc 28 Wife Fancy Stitcher Mass.
26 William D. Lane 65 Head Proprietor Canada-Eng
27 Edith L. Lane 56 Wife — Mass.
28 James P. Flynn 53 Head Carpenter Ireland
29 Mary J. Flynn THIS PERSON 47 Wife — Ireland
30 Mary C. Flynn 23 Daughter Clerk Mass.
31 James P. Jr. Flynn 19 Son Labourer Mass.
32 John F. Flynn 17 Son — Mass.
33 Thomas P. Flynn 15 Son — Mass.
34 Julia Flynn 11 Daughter — Mass.
35 George Flynn 9 Son — Mass.
36 Margaret Flynn 6 Daughter — Mass.
37 Alfred A. Anderson 32 Head Die Maker Mass.
38 Yvonne Q. Anderson 31 Wife — Mass.
39 Martin A. Anderson 8 Son — Mass.
40 John J. Fitzgibbons 42 Head Fireman 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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