WC
William Cook — 1920 US Census Record
Model Tree available1920 United States Federal Census · Essex, Massachusetts
Our Model Tree links this William Cook across the 1900, 1910 and 1920 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed), with identified parents Lewis & Ernest — first a son (b.~1890), then head of a 4-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 | William D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Gas Engineer |
| Industry | Water Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Gas Engineer |
| Township / Ward | Manchester Town |
| 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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Brenda Cook | Daughter | — | 22 | ~1898 |
| Ernest Cook | Head | — | 57 | ~1863 |
| Edwin Cook | Son | — | 19 | ~1901 |
| William Cook | Son | — | 30 | ~1890 |
Census Appearances
1900
Essex, Massachusetts
Son, age 11
Essex, Massachusetts · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | William D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Birth Month | June |
| Birth Year | 1889 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| 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 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | William F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Laborer |
| Industry | Metal Works |
| 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 — 4 household members
| Surname | Cook |
| Given Name | William D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Gas Engineer |
| Industry | Water Works |
| 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 William Cook across 3 US Census years (1900, 1910 and 1920) in Essex, Massachusetts, using XGBoost record linkage. Identified parents: father Lewis Cook (~0.92 confidence) and father Ernest Cook (~0.92 confidence) and mother Carrie Cook (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lewis Cook
b. ~1864
Source father
● Household
· direct · ~0.92
Father
Ernest Cook
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Carrie Cook
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Cook
Son · 1920 · age 30 · b. ~1890 · Massachusetts
★ You are viewing this record
Sibling
Edwin Cook
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Brenda Cook
Sibling · 1920 · age 22
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:1920:14thcensusofpopu695unit:0594)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jerry J. Porter | 43 | Head | Gardener | Nova Scotia |
| 52 | Grace L. Porter | 41 | Wife | — | Massachusetts |
| 53 | Chester T. Porter | 10 | Son | — | Massachusetts |
| 54 | George L. Haskell | 53 | Brother-in-law | Gardener | Massachusetts |
| 55 | John Magnuson | 43 | Head | Florist | Sweden |
| 56 | Alice H. Magnuson | 37 | Wife | — | Massachusetts |
| 57 | Herman R. Magnuson | 11 | Son | — | Massachusetts |
| 58 | Carl G. Magnuson | 9 | Son | — | Massachusetts |
| 59 | Paul L. Magnuson | 6 | Son | — | Massachusetts |
| 60 | Philip S. Magnuson | 5 | Son | — | Massachusetts |
| 61 | Esther L. Magnuson | 3 | Daughter | — | Massachusetts |
| 62 | Fred Sargent | 67 | Head | — | Scotland |
| 63 | Clara F. Sargent | 46 | Daughter | Music Teacher | Massachusetts |
| 64 | Jennie C. Sargent | 44 | Daughter | Librarian | Massachusetts |
| 65 | Harry G. Connor | 5 | Grandson | — | Massachusetts |
| 66 | Cyrus Lane | 67 | Head | Carpenter | Massachusetts |
| 67 | Ida M. Lane | 59 | Wife | — | Massachusetts |
| 68 | Henry L. Lane | 29 | Son | Gardener | Massachusetts |
| 69 | Lanta B. Lane | 23 | Son | Mason'S Helper | Massachusetts |
| 70 | Walter F. Bell | 44 | Head | Retail Merchant | Massachusetts |
| 71 | Grace Bell | 31 | Wife | — | Massachusetts |
| 72 | Ruth M. Bell | 11 | Daughter | — | Massachusetts |
| 73 | Dorothy S. Bell | 6 | Daughter | — | Massachusetts |
| 74 | Augustus M. Killa | 70 | Head | Carpenter | Massachusetts |
| 75 | Henrietta F. Killa | 61 | Wife | — | Massachusetts |
| 76 | Ruth A. Herrick | 18 | Granddaughter | — | Massachusetts |
| 77 | Cyrus B. Killa | 50 | Son | — | Massachusetts |
| 78 | Ella E. Killa | 63 | Sister-in-law | Housekeeper | Maine |
| 79 | Fred W. Killa | 26 | Nephew | Carpenter | Massachusetts |
| 80 | Leo Gray | 56 | Head | Carpenter | England |
| 81 | Margaret F. Gray | 51 | Wife | — | Scotland |
| 82 | John L. Gray | 28 | Son | Freight Hand | Massachusetts |
| 83 | Ethel Gray | 24 | Daughter | Bookmaker | Massachusetts |
| 84 | Mary G. Gray | 22 | Daughter | Saleswoman | Massachusetts |
| 85 | Margaret M. Gray | 20 | Daughter | — | Massachusetts |
| 86 | Lillian B. Gray | 17 | Daughter | — | Massachusetts |
| 87 | William B. Gray | 14 | Son | — | Massachusetts |
| 88 | Curtis B. Stanley | 43 | Head | Genl Manager | Massachusetts |
| 89 | Mary E. Stanley | 26 | Wife | — | Newfoundland |
| 90 | Mary S. Norman | 61 | Mother-in-law | — | Newfoundland |
| 91 | Ernest F. Cook | 57 | Head | — | Massachusetts |
| 92 | William D. Cook THIS PERSON | 30 | Son | Gas Engineer | Massachusetts |
| 93 | Brenda F. Cook | 22 | Daughter | Stenographer | Massachusetts |
| 94 | Edwin L. Cook | 19 | Son | Chauffeur | Massachusetts |
| 95 | Dominick Flaherty | 41 | Head | Stonecutter | Ireland |
| 96 | Nora F. Flaherty | 41 | Wife | — | Ireland |
| 97 | John W. Flaherty | 12 | Son | — | Massachusetts |
| 98 | Margaret V. Flaherty | 11 | Daughter | — | Massachusetts |
| 99 | James E. Flaherty | 9 | Son | — | Massachusetts |
| 100 | Mary E. Flaherty | 7 | Daughter | — | Massachusetts |
Pedigree Summary
William + 2 siblings
Gen 1 · 3 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)