LC
Lillian Cook — 1930 US Census Record
Model Tree available1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Lillian Cook across the 1920, 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a daughter (b.~1916), then head of a 7-person household.
Age 14
b. ~1916
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Cook |
| Given Name | Lillian T |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston 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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Lillian | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Cook | Daughter | — | 12 | ~1918 |
| Barbara Cook | Spouse | — | 37 | ~1893 |
| James Cook | Son | — | 5 | ~1925 |
| Edward Cook | Son | — | 17 | ~1913 |
| Vincent Cook | Son | — | 10 | ~1920 |
| Lillian Cook | Daughter | — | 14 | ~1916 |
| Edward Cook | Head | — | 40 | ~1890 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 4
Suffolk, Massachusetts · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 14
Suffolk, Massachusetts · implied b. ~1916 — 7 household members
| Surname | Cook |
| Given Name | Lillian T |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 25
Suffolk-County, Massachusetts · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Lurena F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Arlington |
| 1935 Residence (County) | Middlesex |
| Highest Grade | H-4 |
| 1935 Residence | Massachusetts |
| 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 Lillian Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Cook (~0.92 confidence) and father Edward Cook (~0.92 confidence) and mother Abbie Cook (~0.92 confidence) and mother Barbara Cook (~0.92 confidence) and mother Ethel Cook (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Cook
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Edward Cook
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Abbie Cook
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Barbara Cook
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Ethel Cook
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lillian Cook
Daughter · 1930 · age 14 · b. ~1916 · Massachusetts
★ You are viewing this record
Sibling
James Cook
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Cook
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Cook
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Cook
Sibling · 1930 · age 10
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
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
49 people indexed on this census page (ia:1930:massachusettscensus00reel953:0996)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William N Sullivan | 49 | Head | Sheet Metal W. | Massachusetts |
| 52 | Katherine A Sullivan | 50 | Wife | None | Massachusetts |
| 53 | William M Jr. Sullivan | 20 | Son | Operator | Massachusetts |
| 54 | Katherine A Sullivan | 19 | Daughter | Clerk | Massachusetts |
| 55 | Anna J Sullivan | 18 | Daughter | None | Massachusetts |
| 56 | Timothy J Sullivan | 17 | Son | None | Massachusetts |
| 57 | Joseph G Deveau | 34 | Head | Boat-Builder | Canada-French |
| 58 | Beatrix M Deveau | 33 | Wife | None | Canada-French |
| 59 | Leslie J Deveau | 9 | Son | None | Massachusetts |
| 60 | Loretta M Amirault | 21 | Sister-in-law | Checker | Canada-French |
| 61 | Pierre J Amirault | 18 | Brother-in-law | Stock Clerk | Canada-French |
| 62 | Frank L Ward | 50 | Head | Salesman | Massachusetts |
| 63 | Mary E Ward | 49 | Wife | Proprietor | Canada-English |
| 64 | Francis E Ward | 23 | Son | Mechanical D. | Massachusetts |
| 65 | Stephen L Ward | 21 | Son | Proprietor | Massachusetts |
| 66 | John A Deveau | 40 | Head | Ship Carpenter | Canada-French |
| 67 | Edith A Deveau | 37 | Wife | None | Canada-French |
| 68 | Herman J Deveau | 10 | Son | None | Massachusetts |
| 69 | Lenard E Deveau | 9 | Son | None | Massachusetts |
| 70 | Jeanne M Deveau | 5 | Daughter | None | Massachusetts |
| 71 | Madelaine N Surette | 29 | Sister-in-law | Operator | Canada-French |
| 72 | Patrick E Kelleher | 53 | Head | Clerk | Massachusetts |
| 73 | Mary E Kelleher | 47 | Wife | None | Ireland Free State |
| 74 | John F Kelleher | 19 | Son | Salesman | Massachusetts |
| 75 | George A Kelleher | 18 | Son | None | Massachusetts |
| 76 | Marie B Kelleher | 16 | Daughter | None | Massachusetts |
| 77 | Alice D Kelleher | 14 | Daughter | None | Massachusetts |
| 78 | Gertrude Kelleher | 12 | Daughter | None | Massachusetts |
| 79 | Joseph E Ab. Kelleher | 20 | Son | Paper Maker | Massachusetts |
| 80 | Alfred F Foley | 46 | Head | Asst. Shipper | Massachusetts |
| 81 | Mary A Foley | 41 | Wife | None | Massachusetts |
| 82 | Mary A Malloy | 18 | Step-Daughter | Saleslady | Massachusetts |
| 83 | Alfred Foley | 10 | Son | None | Massachusetts |
| 84 | Catherine Foley | 7 | Daughter | None | Massachusetts |
| 85 | Rita Foley | 4 | Daughter | None | Massachusetts |
| 86 | Robert Foley | 1 | Son | None | Massachusetts |
| 87 | Harvey Colby | 54 | Head | Track Cleaner | Massachusetts |
| 88 | Gertrude M Colby | 39 | Wife | None | Vermont |
| 89 | Gerald W Colby | 21 | Son | Chauffeur | Massachusetts |
| 90 | John N Colby | 20 | Son | Clerk | Massachusetts |
| 91 | Ruth M Colby | 17 | Daughter | Stamper | Massachusetts |
| 92 | Joseph E Colby | 11 | Son | None | Massachusetts |
| 93 | Edward F Cook | 40 | Head | Chauffeur | Massachusetts |
| 94 | Barbara T Cook | 37 | Wife | None | Massachusetts |
| 95 | Edward F Jr. Cook | 17 | Son | Stock-Boy | Massachusetts |
| 96 | Lillian T Cook THIS PERSON | 14 | Daughter | None | Massachusetts |
| 97 | Evelyn G Cook | 12 | Daughter | None | Massachusetts |
| 98 | Vincent J Cook | 10 | Son | None | Massachusetts |
| 99 | James M Cook | 5 | Son | None | Massachusetts |
Pedigree Summary
Lillian + 4 siblings
Gen 1 · 5 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)