MC
Margaret Cook — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Margaret Cook across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 8-person household.
Age 20
b. ~1910
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Cook |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teacher |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1910 |
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 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Cook | Daughter | — | 17 | ~1913 |
| Catherine Cook | Daughter | — | 19 | ~1911 |
| Margaret Cook | Daughter | — | 20 | ~1910 |
| Marie Cook | Daughter | — | 10 | ~1920 |
| Patrick Cook | Head | — | 52 | ~1878 |
| Francis Cook | Son | — | 15 | ~1915 |
| Leo Cook | Son | — | 21 | ~1909 |
| Agnes Cook | Spouse | — | 51 | ~1879 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 10
Middlesex, Massachusetts · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 20
Middlesex, Massachusetts · implied b. ~1910 — 8 household members
| Surname | Cook |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | 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 Margaret Cook across 2 US Census years (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Cook
Daughter · 1930 · age 20 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Leo Cook
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Cook
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Cook
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Cook
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Cook
Sibling · 1930 · age 17
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel916:0631)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Grace M Wilson | 43 | Head | Proprietor | Massachusetts |
| 2 | Margaret Wilson | 16 | Daughter | — | Massachusetts |
| 3 | Marion Wilson | 14 | Daughter | — | Massachusetts |
| 4 | Alice Wilson | 11 | Daughter | — | Massachusetts |
| 5 | Patrick J Cook | 52 | Head | Salesman | Massachusetts |
| 6 | Agnes A Cook | 51 | Wife | — | Massachusetts |
| 7 | Leo Cook | 21 | Son | Assistant | Massachusetts |
| 8 | Margaret Cook THIS PERSON | 20 | Daughter | Teacher | Massachusetts |
| 9 | Catherine Cook | 19 | Daughter | — | Massachusetts |
| 10 | Elizabeth Cook | 17 | Daughter | — | Massachusetts |
| 11 | Francis Cook | 15 | Son | — | Massachusetts |
| 12 | Marie Cook | 10 | Daughter | — | Massachusetts |
| 13 | Catherine E Culhane | 48 | Head | — | Massachusetts |
| 14 | James Culhane | 14 | Son | — | Massachusetts |
| 15 | Marion Culhane | 12 | Daughter | — | Massachusetts |
| 16 | Rose Harrington | 72 | Wife | — | Massachusetts |
| 17 | John Harrington | 75 | Head | Inspector | Massachusetts |
| 18 | John Harrington | 48 | Son | Assistant | Massachusetts |
| 19 | Josephine M Harrington | 43 | Daughter | Inspector | Massachusetts |
| 20 | Alice Harrington | 41 | Daughter | Secretary | Massachusetts |
| 21 | Margaret M Harrington | 35 | Daughter | Assistant | Massachusetts |
| 22 | Josephine M Lunt | 61 | Head | — | Maine |
| 23 | Susan R Wilder | 52 | Head | Instructor | Georgia |
| 24 | John H Wilder | 22 | Son | — | Georgia |
| 25 | Julia Wilder | 22 | Daughter | — | Georgia |
| 26 | Lucy Wilder | 20 | Daughter | — | Georgia |
| 27 | Ernest Watkins | 52 | Head | Instructor | France |
| 28 | Adrienne Watkins | 52 | Wife | — | France |
| 29 | Suzanne Watkins | 25 | Daughter | Secretary | Massachusetts |
| 30 | Denise Watkins | 23 | Daughter | Student | Massachusetts |
| 31 | Gertrude B Hodge | 64 | Head | Manager | Massachusetts |
| 32 | Linwood Hodge | 44 | Son | Salesman | Massachusetts |
| 33 | Sarah E Powell | 48 | Roomer | Teacher | Ontario |
| 34 | Ignacio Meira | 46 | Head | Proprietor | Azores |
| 35 | Mary Meira | 38 | Wife | — | Massachusetts |
| 36 | Mary M Meira | 21 | Daughter | Cutter | Massachusetts |
| 37 | Marie T Meira | 20 | Daughter | — | Massachusetts |
| 38 | James Meira | 22 | Nephew | Mechanic | Azores |
| 39 | Margaret Meira | 43 | Head | Proprietor | Massachusetts |
| 40 | Martha Cianci | 45 | Roomer | Proprietor | Sweden |
| 41 | Edith F Liden | 28 | Roomer | Nurse | Maine |
| 42 | Cynthia M Cook | 34 | Roomer | — | United States |
| 43 | Marietta Lawrence | 55 | Roomer | — | Massachusetts |
| 44 | James Bruno | 40 | Head | Barber | Italy |
| 45 | Sophie Bruno | 37 | Wife | — | Italy |
| 46 | Louise D Bruno | 17 | Daughter | Salesgirl | Massachusetts |
| 47 | Raymond Bruno | 14 | Son | — | Massachusetts |
| 48 | Joseph Bruno | 22 | Brother | Clerk | Maine |
| 49 | Anthony Bruno | 18 | Brother | Office | Maine |
| 50 | Ann Casey | 58 | Head | — | Massachusetts |
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)