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John Cook — 1920 US Census Record
Model Tree available1920 United States Federal Census · Essex, Massachusetts
Our Model Tree links this John Cook across the 1900, 1910 and 1920 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed), with identified parents Michael & William — first a son (b.~1890), then head of a 5-person household.
Age 30
b. ~1890
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, Massachusetts |
| Surname | Cook |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Hardware store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Bookkeeper |
| Township / Ward | Salem City |
| Est. Birth Year | ~1890 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Julia Cook | Daughter | — | 35 | ~1885 |
| Elizabeth Cook | Daughter | — | 37 | ~1883 |
| William Cook | Head | — | 68 | ~1852 |
| John Cook | Son | — | 30 | ~1890 |
| William Cook | Son | — | 34 | ~1886 |
Census Appearances
1900
Essex, Massachusetts
Son, age 12
Essex, Massachusetts · implied b. ~1888 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Birth Month | May |
| Birth Year | 1888 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Essex, Massachusetts
Son, age 20
Essex, Massachusetts · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Book Keeper |
| Industry | Coal Yard |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Son, age 30
Essex, Massachusetts · implied b. ~1890 — 5 household members
| Surname | Cook |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Bookkeeper |
| Industry | Hardware store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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.
Our Model Tree links John Cook across 3 US Census years (1900, 1910 and 1920) in Essex, Massachusetts, using XGBoost record linkage. Identified parents: father Michael Cook (~0.92 confidence) and father William Cook (~0.92 confidence) and mother Margaret Cook (~0.92 confidence) and mother Mary Cook (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Cook
b. ~1861
Source father
● Household
· direct · ~0.92
Father
William Cook
b. ~1852
Source father
● Household
· direct · ~0.92
Mother
Margaret Cook
b. ~1853
Source mother
● Household
· direct · ~0.92
Mother
Mary Cook
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Cook
Son · 1920 · age 30 · b. ~1890 · Massachusetts
★ You are viewing this record
Sibling
Julia Cook
Sibling · 1920 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Cook
Sibling · 1920 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Cook
Sibling · 1920 · age 34
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
1920 US Federal Census — Essex, Massachusetts
Open full size
1920 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu696unit:0777)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Clement Cooper | 28 | Son | Leather Worker | Massachusetts |
| 52 | Thomas A. Cooper | 24 | Son | Chauffeur | Massachusetts |
| 53 | Theresa Cooper | 29 | Daughter | Shoe Stitcher | Massachusetts |
| 54 | Katherine Cooper | 27 | Daughter | Ironer | Massachusetts |
| 55 | John A. Cooper | 23 | Son | Chauffeur | Massachusetts |
| 56 | Anna Cooper | 3 | Grand daughter | — | Massachusetts |
| 57 | Alexander Mcneil | 28 | Head | Last Maker | Rhode Island |
| 58 | Ida M. Mcneil | 27 | Wife | — | Massachusetts |
| 59 | Dorothy Mcneil | 7 | Daughter | — | Massachusetts |
| 60 | Wanda Mcneil | 4 | Son | — | Massachusetts |
| 61 | Walter Mcneil | 2 | Son | — | Massachusetts |
| 62 | Adelard Terrio | 45 | Head | — | Canada |
| 63 | Alfred Terrio | 23 | Son | Cutter | Massachusetts |
| 64 | Antoinia Terrio | 18 | Daughter | Stitcher | Massachusetts |
| 65 | Antoinette Terrio | 16 | Daughter | Table Work | Massachusetts |
| 66 | Emile Terrio | 14 | Son | — | Massachusetts |
| 67 | Mary Terrio | 9 | Daughter | — | Massachusetts |
| 68 | Lena Terrio | 7 | Daughter | — | Massachusetts |
| 69 | Irene Terrio | 5 | Daughter | — | Massachusetts |
| 70 | John E. Knowlton | 40 | Head | Examiner | Massachusetts |
| 71 | Grace A. Knowlton | 39 | Wife | — | Canada |
| 72 | Sarah J. Putnam | 45 | Head | — | Massachusetts |
| 73 | Mary Collins | 30 | Head | Saleslady | Massachusetts |
| 74 | Arthur Collins | 28 | Brother | Saleslady | Massachusetts |
| 75 | Herbert P. Knowles | 65 | Head | Yard Master | Massachusetts |
| 76 | Isaac S. Knowles | 64 | Wife | — | Massachusetts |
| 77 | Mary E. Ahearn | 36 | Head | Vamper | Massachusetts |
| 78 | Elizabeth Ahearn | 35 | Sister | — | Massachusetts |
| 79 | Sarah Brady | 60 | Lodger | Laundress | Ireland |
| 80 | Mary E. Neal | 71 | Head | — | Maine |
| 81 | William Andrews | 39 | Head | Engineer | Massachusetts |
| 82 | Mary B. Andrews | 44 | Wife | — | Massachusetts |
| 83 | Margaret T. Andrews | 15 | Daughter | — | Massachusetts |
| 84 | Mary Riley | 43 | Head | Machine | Massachusetts |
| 85 | Stephen Corbett | 16 | Nephew | — | Massachusetts |
| 86 | William Cook | 68 | Head | — | Ireland |
| 87 | Elizabeth G. Cook | 37 | Daughter | Carder | Massachusetts |
| 88 | Julia B. Cook | 35 | Daughter | — | Massachusetts |
| 89 | William E. Cook | 34 | Son | Machinist | Massachusetts |
| 90 | John B. Cook THIS PERSON | 30 | Son | Bookkeeper | Massachusetts |
| 91 | Wojciech Pasterczyk | 45 | Head | Spinner | Galicia-Po |
| 92 | Constancia Pasterczyk | 45 | Wife | Frame Tender | Galicia-Po |
| 93 | Stanislaus Pasterczyk | 24 | Son | Filer | Massachusetts |
| 94 | John Pasterczyk | 17 | Son | Shipper Out | Massachusetts |
| 95 | Albina Pasterczyk | 13 | Daughter | — | Massachusetts |
| 96 | Stacia Pasterczyk | 12 | Daughter | — | Massachusetts |
| 97 | Lillian Pasterczyk | 9 | Daughter | — | Massachusetts |
| 98 | Michael Pasterczyk | 7 | Son | — | Massachusetts |
| 99 | Andrew Kozlowski | 43 | Head | Staker | Poland |
| 100 | Mary Kozlowski | 35 | Wife | — | Poland |
Related Census Records
Pedigree Summary
John + 3 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 1920 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)