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John Geary — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cumberland-County, Maine

Our Model Tree links this John Geary across the 1930 and 1940 US Censuses in Cumberland-County, Maine (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 8-person household.

Age 24 b. ~1916 Male Son Born: Maine Single

1940 Census Record Details

Census Year1940
LocationCumberland-County, Maine
SurnameGeary
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age24
Marital StatusSingle
BirthplaceMaine
1935 Residence (City)Portland city
1935 Residence (County)Cumberland
Additional Details
OccupationChaser
IndustryRailroad Co.
Class of WorkerPW
Hours Worked48
Income (1939)266
Highest GradeHs 4
1935 ResidenceSame place
Birth StateMaine
Birth CountryUnited States
Birthplace (normalized)maine
OccupationChaser
Township / WardPortland City
Est. Birth Year~1916

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 John Age Birth yr
Andrew Grant Other — 30 ~1910
Joan Grant Daughter — 7 ~1933
Helen Grant Daughter — 27 ~1913
Mary Geary Spouse — 57 ~1883
Patrick Geary Head — 54 ~1886
John Geary Son — 24 ~1916
William Grant Son — 4 ~1936
James Grant Son — 8 ~1932

Census Appearances

1930
Cumberland, Maine
Son, age 14
Cumberland, Maine · implied b. ~1916 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Gerry
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 14
Marital Status Single
Birthplace Maine
Father's Birthplace Irish Free State
Mother's Birthplace Northern Ireland
Can Read/Write Yes
Birth State Maine
Birth Country United States
Birthplace (normalized) maine
1940
Cumberland-County, Maine
Son, age 24
Cumberland-County, Maine · implied b. ~1916 — 8 household members
Surname Geary
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 24
Marital Status Single
Birthplace Maine
1935 Residence (City) Portland city
1935 Residence (County) Cumberland
Occupation Chaser
Industry Railroad Co.
Class of Worker PW
Hours Worked 48
Income (1939) 266
Highest Grade Hs 4
1935 Residence Same place
Birth State Maine
Birth Country United States
Birthplace (normalized) maine

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 Geary across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Geary
Son · 1940 · age 24 · b. ~1916 · Maine
★ You are viewing this record
Sibling
Helen Grant
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Grant
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Grant
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Grant
Sibling · 1940 · age 7
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 — Cumberland-County, Maine Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01475-00681)

Line Name Age Relation Occupation Birthplace
1 Helen Marcucci 32 Wife Lacer Maine
2 Louis Marcucci 2 Son — Maine
3 Laurence O'Neil 12 Step son — Maine
4 Alice Burke 58 Mother-in-law — New Brunswick
5 Alice Burke 18 Niece — Maine
6 Sarah Wilson 65 Head Lacer Irish Free State
7 Lillian Lent 27 Daughter Filing Clerk Massachusetts
8 Barbara Flynn 47 Head — Irish Free State
9 James Flynn 23 Son — Maine
10 John Flynn 22 Son — Maine
11 Richard H. Watson 39 Head Helper Maine
12 Mary M. Watson 35 Wife — Maine
13 Richard Watson 6 Son — Maine
14 Donald Watson 4 Son — Maine
15 Festus Watson 26 Brother Army Maine
16 Joseph Dugas 64 Head Fisherman Nova Scotia
17 Jennie C. Dugas 56 Wife — Irish Free State
18 Clement Libby 18 Nephew Kitchen Man Maine
19 Herbert Jr. Roma 34 Head Collector Maine
20 Ethel A. Roma 35 Wife — Maine
21 Paul E. Roma 4 Son — Maine
22 Mary E. Roma 2 Daughter — Maine
23 John Peter Roma 0 Son — Maine
24 Nellie Mcginty 75 Head — Maine
25 Emily Cady 41 Daughter Paper Ruler Maine
26 Thomas A. Conley 49 Head Clerk Irish Free State
27 Adelaide Conley 46 Wife — Maine
28 Patrick Geary 54 Head Laborer Irish Free State
29 Mary Geary 57 Wife — Irish Free State
30 John Geary THIS PERSON 24 Son Chaser Maine
31 Helen Grant 27 Daughter Laborer Maine
32 Andrew J. Grant 30 Son-in-law Laborer Maine
33 James Grant 8 Son — Maine
34 Joan W. Grant 7 Daughter — Maine
35 William E. Grant 4 Son — Maine
36 James E. O'Brien 64 Head Laborer Irish Free State
37 Nellie O'Brien 60 Wife — Irish Free State
38 Patrick R. O'Brien 30 Son Laborer Maine
39 Michael O'Brien 25 Son Laborer Maine
40 James O'Brien 23 Son Sealer Machine Maine

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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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