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Mary Barrett — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Mary Barrett across the 1910, 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1907), then head of a 6-person household.
Age 23
b. ~1907
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Barrett |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| 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 | Salem Mass |
| Est. Birth Year | ~1907 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Barrett | Daughter | — | 23 | ~1907 |
| Gertrude Barrett | Daughter | — | 18 | ~1912 |
| Elizabeth Barrett | Daughter | — | 30 | ~1900 |
| Anna Barrett | Daughter | — | 21 | ~1909 |
| John Barrett | Head | — | 64 | ~1866 |
| Ellen Barrett | Other | — | 64 | ~1866 |
Census Appearances
1910
Essex, Massachusetts
Daughter, age 4
Essex, Massachusetts · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | Mary F. |
| 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 |
1920
Essex, Massachusetts
Daughter, age 14
Essex, Massachusetts · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | Mary F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 23
Essex, Massachusetts · implied b. ~1907 — 6 household members
| Surname | Barrett |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| 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 Mary Barrett across 3 US Census years (1910, 1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage. Identified parents: father John Barrett (~0.92 confidence) and father John Barrett (~0.92 confidence) and mother Ellen Barrett (~0.92 confidence) and father John Barrett (~0.92 confidence) and mother Nellie Barrett (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Barrett
b. ~1838
Source father
● Household
· direct · ~0.92
Father
John Barrett
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Ellen Barrett
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
John Barrett
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Nellie Barrett
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Barrett
Daughter · 1930 · age 23 · b. ~1907 · Massachusetts
★ You are viewing this record
Sibling
Elizabeth Barrett
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Barrett
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Barrett
Sibling · 1930 · age 21
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 — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel903:0399)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Chester Southam | 10 | Son | — | Massachusetts |
| 2 | Harry D. James | 37 | Head | Carpenter | Canada English |
| 3 | Gladys James | 33 | Wife-H | — | Canada English |
| 4 | Norma D. James | 11 | Daughter | — | Massachusetts |
| 5 | Richard H. James | 9 | Son | — | Massachusetts |
| 6 | William C. Hussey | 31 | Head | Manager | Maine |
| 7 | Blanch E. Hussey | 23 | Wife-H | — | Massachusetts |
| 8 | Ralph W. Hussey | 1 | Son | — | Massachusetts |
| 9 | Alfred J. La Chance | 35 | Head | Shoecutter | Massachusetts |
| 10 | Florence S. La Chance | 32 | Wife-H | — | Massachusetts |
| 11 | Leonard La Chance | 7 | Son | — | Massachusetts |
| 12 | Virginia F. La Chance | 5 | Daughter | — | Massachusetts |
| 13 | Samuel M. Osborne | 41 | Head | Seasoner | Canada English |
| 14 | Clara M. Osborne | 40 | Wife-H | Assembler | Massachusetts |
| 15 | Samuel M. Osborne | 15 | Son | — | Massachusetts |
| 16 | Frank H. Hamilton | 53 | Head | Locomotive | Massachusetts |
| 17 | Olive W. Hamilton | 48 | Wife-H | — | Massachusetts |
| 18 | William J. Lee | 72 | Father in law | Crossing Tender | Massachusetts |
| 19 | Percy Osborne | 28 | Head | Salesman | Canada English |
| 20 | Mary E. Osborne | 27 | Wife-H | — | Newfoundland |
| 21 | Weldon H. Osborne | 3 | Son | — | Massachusetts |
| 22 | George E. Osborne | 5 | Son | — | Massachusetts |
| 23 | John M. Arthur | 52 | Head | Stationary Engineer | Canada English |
| 24 | Inis J. Arthur | 51 | Wife-H | — | Canada English |
| 25 | Agnes L. Arthur | 31 | Daughter | Stenographer | Massachusetts |
| 26 | Clayton J. Arthur | 22 | Son | Helper | Massachusetts |
| 27 | Chester M. Arthur | 15 | Son | — | Massachusetts |
| 28 | Edward H. Armstrong | 42 | Head | Parcel Post | New Hampshire |
| 29 | Rachel Armstrong | 32 | Wife-H | — | Massachusetts |
| 30 | Edward H. Jr. Armstrong | 13 | Son | — | Massachusetts |
| 31 | Robert Armstrong | 9 | Son | — | Massachusetts |
| 32 | Paul F. Armstrong | 4 | Son | — | Massachusetts |
| 33 | John P. Barrett | 64 | Head | Inspector | Massachusetts |
| 34 | Ellen M. Barrett | 64 | Wife-H | — | Massachusetts |
| 35 | Elizabeth Barrett | 30 | Daughter | Bookkeeper | Massachusetts |
| 36 | Mary F. Barrett THIS PERSON | 23 | Daughter | Teacher | Massachusetts |
| 37 | Anna Barrett | 21 | Daughter | Bookkeeper | Massachusetts |
| 38 | Gertrude H. Barrett | 18 | Daughter | — | Massachusetts |
| 39 | Lizzie A. Collins | 30 | Head-H | — | Massachusetts |
| 40 | Charles H. Brownell | 48 | Head | Overseer | Massachusetts |
| 41 | Ida A. Brownell | 46 | Wife-H | — | Massachusetts |
| 42 | Parker A. Brownell | 14 | Son | — | Rhode Island |
| 43 | Charles H. Brownell | 10 | Son | — | Rhode Island |
| 44 | Richard H. Brownell | 10 | Son | — | Rhode Island |
| 45 | Theodore Holland | 28 | Head | Broker | Massachusetts |
| 46 | Fannie J. Holland | 27 | Wife-H | — | Massachusetts |
| 47 | Laura E. Holland | 2 | Daughter | — | Massachusetts |
| 48 | Theodore Jr. Holland | 1 | Son | — | Massachusetts |
| 49 | Wilbur H. Pearl | 49 | Head | Conductor | Canada English |
| 50 | Flora M. Pearl | 49 | Wife-H | — | Massachusetts |
Pedigree Summary
Mary + 3 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)