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James Cook — 1930 US Census Record

Model Tree available

1930 United States Federal Census · Suffolk, Massachusetts

Our Model Tree links this James Cook across the 1910, 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1903), then head of a 11-person household.

Age 27 b. ~1903 Male Son Born: Massachusetts Single

1930 Census Record Details

Census Year1930
LocationSuffolk, Massachusetts
SurnameCook
Given NameJames T jr
Relationship to Headson
SexM
Color / RaceWhite
Age27
Marital StatusSingle
BirthplaceMassachusetts
Father's BirthplaceEngland
Mother's BirthplaceNew Hampshire
Additional Details
Occupationclerk
Industrybank
Class of WorkerW
Can Read/WriteYes
VeteranNo
Birth StateMassachusetts
Birth CountryUnited States
Birthplace (normalized)massachusetts
OccupationClerk
Township / WardCity Of Revere Part Of
Est. Birth Year~1903

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 1930 census.

Name Relation to head Relative to James Age Birth yr
Martha Cook Daughter — 12 ~1918
Hazel Cook Daughter — 18 ~1912
Frances Cook Daughter — 10 ~1920
Alice Cook Daughter — 20 ~1910
Ruth Cook Daughter — 14 ~1916
Dorothy Stone Daughter — 22 ~1908
James Cook Head — 52 ~1878
Nellie Cook Other — 47 ~1883
James Cook Son — 27 ~1903
William Cook Son — 8 ~1922
Robert Cook Son — 5 ~1925

Census Appearances

1910
Suffolk, Massachusetts
Son, age 7
Suffolk, Massachusetts · implied b. ~1903 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Cook
Given Name James J
Relationship to Head Son
Sex M
Color / Race White
Age 7
Marital Status Single
Birthplace Massachusetts
Father's Birthplace England
Mother's Birthplace England
Birth State Massachusetts
Birth Country United States
Birthplace (normalized) massachusetts
1920
Suffolk, Massachusetts
Son, age 17
Suffolk, Massachusetts · implied b. ~1903 — 10 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Cook
Given Name James T
Relationship to Head Son
Sex M
Color / Race White
Age 17
Marital Status Single
Birthplace Massachusetts
Father's Birthplace England
Mother's Birthplace New Hampshire
Occupation Messenger
Industry Bank
Class of Worker W
Can Read No
Can Write Yes
Speaks English Yes
Birth State Massachusetts
Birth Country United States
Birthplace (normalized) massachusetts
1930
Suffolk, Massachusetts
Son, age 27
Suffolk, Massachusetts · implied b. ~1903 — 11 household members
Surname Cook
Given Name James T jr
Relationship to Head son
Sex M
Color / Race White
Age 27
Marital Status Single
Birthplace Massachusetts
Father's Birthplace England
Mother's Birthplace New Hampshire
Occupation clerk
Industry bank
Class of Worker W
Can Read/Write Yes
Veteran No
Birth State Massachusetts
Birth Country United States
Birthplace (normalized) massachusetts

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.
Model Tree available
Our Model Tree links James Cook across 3 US Census years (1910, 1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage. Identified parents: father James Cook (~0.92 confidence) and father James Cook (~0.92 confidence) and mother Bertha Cook (~0.92 confidence) and mother Nellie Cook (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
James Cook
b. ~1878
Source father
● Household · direct · ~0.92
Father
James Cook
b. ~1863
Source father
● Household · direct · ~0.92
Mother
Bertha Cook
b. ~1872
Source mother
● Household · direct · ~0.92
Mother
Nellie Cook
b. ~1883
Source mother
● Household · direct · ~0.92
This person
Anchor record
James Cook
Son · 1930 · age 27 · b. ~1903 · Massachusetts
★ You are viewing this record
Sibling
William Cook
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Cook
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Cook
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Cook
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cook
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Cook
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Stone
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Cook
Sibling · 1930 · age 12
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

1930 US Federal Census — Suffolk, Massachusetts Open full size

Page Contents

50 people indexed on this census page (ia:1930:massachusettscensus00reel960:0614)

Line Name Age Relation Occupation Birthplace
51 Thomas Gallant 20 nephew Polisher Canada English
52 Frederick Gallant 22 nephew Helper Canada English
53 Lilly Gallant 23 daughter-in-law Sales-Lady Massachusetts
54 Ada L Harmon 43 Head Practical Nurse Massachusetts
55 Harriet Harmon 13 daughter None Massachusetts
56 Ruth J Harmon 11 daughter None Massachusetts
57 Anna Mae Harmon 9 daughter None Massachusetts
58 John E Rice 30 Head Petty-Officer Massachusetts
59 Mildred A Rice 28 wife-H None Canada English
60 Anna Mae Rice 9 daughter None Massachusetts
61 William A Rice 4 daughter None Massachusetts
62 John E Jr Rice 2 daughter None Massachusetts
63 Margaret White 24 sister-in-law Dipper Massachusetts
64 James W Cooper 65 Head Retired Massachusetts
65 Alice A Cooper 55 wife-H None Maryland
66 Olive A Cooper 33 daughter Doctor Massachusetts
67 Pauline Winchester 22 lodger Clerk Massachusetts
68 Marsden Reece 44 Head Druggist Illinois
69 Rose I Reece 44 wife-H None Massachusetts
70 Dorothy I Reece 20 daughter Stenographer Massachusetts
71 Marjorie I Reece 17 daughter None Massachusetts
72 Robert Pirie 74 Head Manager Scotland
73 Roger H Pirie 38 son-H Salesman Massachusetts
74 Emma W Hume 59 house-keeper House-Keeper Massachusetts
75 James T Cook 52 Head Fireman England
76 Nellie E Cook 47 wife-H None New Hampshire
77 James T Jr Cook THIS PERSON 27 son Clerk Massachusetts
78 Alice M Cook 20 daughter Artist Massachusetts
79 Hazel F Cook 18 daughter Clerk Massachusetts
80 Ruth E Cook 14 daughter None Massachusetts
81 Martha F Cook 12 daughter None Massachusetts
82 Frances H Cook 10 daughter None Massachusetts
83 William J Cook 8 son None Massachusetts
84 Robert D Cook 5 son None Massachusetts
85 Dorothy M Stone 22 daughter Waitress Massachusetts
86 Harvey D Heath 65 Head Master Mariner Maine
87 Marie N Heath 61 wife-H None Maine
88 Harold D Heath 33 son Accountant Maine
89 Marion L Heath 29 daughter-in-law None Maine
90 Florence J Heath 1 daughter None Massachusetts
91 Alphonzo C Peake 56 Head Agent Maine
92 Isabell H Peake 53 wife-H None Scotland
93 David W Peake 11 son None Massachusetts
94 Edward Polner 37 Head Electrician Russia
95 Ida Polner 37 wife-H None Russia
96 Murray Polner 13 son None Massachusetts
97 Charlotte L Polner 7 daughter None Massachusetts
98 Eugene M Polner 1 son None Massachusetts
99 Henry Polner 39 Head Electrician Russia
100 Dora Polner 37 wife-H None Russia

Search for James Cook

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Pedigree Summary

James + 8 siblings
Gen 1 · 4 parents ~0.92
Max depth 4 (1900–1950 window)

About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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