FB
Florence Brown — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Florence Brown across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Amos & Amasa — first a daughter (b.~1909), then head of a 11-person household.
Age 21
b. ~1909
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Brown |
| Given Name | Florence M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Stenographer |
| Township / Ward | City Of Lowell |
| Est. Birth Year | ~1909 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Mary Brown | Daughter | — | 11 | ~1919 |
| Doris Brown | Daughter | — | 18 | ~1912 |
| Florence Brown | Daughter | — | 21 | ~1909 |
| Alice Brown | Daughter | — | 5 | ~1925 |
| James Brown | Head | — | 51 | ~1879 |
| Alfred Brown | Son | — | 23 | ~1907 |
| Vincent Brown | Son | — | 20 | ~1910 |
| Roger Brown | Son | — | 16 | ~1914 |
| Robert Brown | Son | — | 14 | ~1916 |
| Donald Brown | Son | — | 8 | ~1922 |
| Julia Brown | Spouse | — | 48 | ~1882 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age
Middlesex, Massachusetts · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 11
Middlesex, Massachusetts · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Florence E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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 21
Middlesex, Massachusetts · implied b. ~1909 — 11 household members
| Surname | Brown |
| Given Name | Florence M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Stenographer |
| Industry | Mill |
| 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 Florence Brown across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Amos Brown (~0.92 confidence) and father Amasa Brown (~0.92 confidence) and father James Brown (~0.92 confidence) and mother Julia Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Amos Brown
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Amasa Brown
b. ~1877
Source father
● Household
· direct · ~0.92
Father
James Brown
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Julia Brown
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Florence Brown
Daughter · 1930 · age 21 · b. ~1909 · Massachusetts
★ You are viewing this record
Sibling
Roger Brown
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Brown
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Brown
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Brown
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Brown
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Brown
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Brown
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Brown
Sibling · 1930 · age 8
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:massachusettscensus00reel920:1075)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Keno Grecos | 57 | Head | Tailor | Greece |
| 2 | Tiffany Grecos | 53 | Wife | — | Greece |
| 3 | Eutokia Grecos | 13 | Daughter | — | New York |
| 4 | Mary Grecos | 44 | Sister | — | Greece |
| 5 | Daniel F. Reilly | 60 | Head | Cabinet Maker | Ireland |
| 6 | Mary E. Reilly | 58 | Wife | — | Massachusetts |
| 7 | William B. Reilly | 34 | Son | Steam Clerk | Massachusetts |
| 8 | Mary E. Reilly | 25 | Daughter | Telephone Op. | Massachusetts |
| 9 | Charles H. Dunn | 45 | Head | Conductor | Massachusetts |
| 10 | Emma G. Dunn | 44 | Wife | — | Maine |
| 11 | William J. Dunn | 20 | Son | Bank Clerk | Massachusetts |
| 12 | Emma G. Dunn | 19 | Daughter | Nurse | Massachusetts |
| 13 | Charles H. Dunn | 16 | Son | — | Massachusetts |
| 14 | Arthur J. Dunn | 12 | Son | — | Massachusetts |
| 15 | Bernard J. Dunn | 10 | Son | — | Massachusetts |
| 16 | Oscar B. Dunn | 6 | Son | — | Massachusetts |
| 17 | James Kirkpatrick | 49 | Head | Draftsman | Scotland |
| 18 | Elizabeth Kirkpatrick | 48 | Wife | — | Scotland |
| 19 | James Jr. Kirkpatrick | 21 | Son | Mill Clerk | Massachusetts |
| 20 | Bessie M. Kirkpatrick | 19 | Daughter | — | Massachusetts |
| 21 | James J. Brown | 51 | Head | Clerk | Massachusetts |
| 22 | Julia M. Brown | 48 | Wife | — | Massachusetts |
| 23 | Alfred L. Brown | 23 | Son | Salesman | Massachusetts |
| 24 | Florence M. Brown THIS PERSON | 21 | Daughter | Stenographer | Massachusetts |
| 25 | Vincent J. Brown | 20 | Son | Truck Driver | Massachusetts |
| 26 | Doris M. Brown | 18 | Daughter | — | Massachusetts |
| 27 | Roger J. Brown | 16 | Son | — | Massachusetts |
| 28 | Robert H. Brown | 14 | Son | — | Massachusetts |
| 29 | Mary E. Brown | 11 | Daughter | — | Massachusetts |
| 30 | Donald J. Brown | 8 | Son | — | Massachusetts |
| 31 | Alice G. Brown | 5 | Daughter | — | Massachusetts |
| 32 | Jessie C. Timkin | 60 | Head | — | Rhode Island |
| 33 | Elizabeth Timkin | 60 | Sister-in-law | — | England |
| 34 | Nellie Mahoney | 57 | Head | Hand Ironer | Ireland |
| 35 | James W. Mahoney | 29 | Son | — | Massachusetts |
| 36 | William D. Pierce | 51 | Head | Booker | Vermont |
| 37 | Lillian R. Pierce | 50 | Wife | — | Vermont |
| 38 | Lawrence P. Pierce | 25 | Son | Salesman | Vermont |
| 39 | James Denton | 76 | Head | — | England |
| 40 | Sarah Denton | 74 | Wife | — | Scotland |
| 41 | Robert J. Mclamb | 44 | Head | Machinist | New York |
| 42 | Catherine Mclamb | 32 | Wife | — | Massachusetts |
| 43 | Catherine Mclamb | 4 | Daughter | — | Massachusetts |
| 44 | James Mclamb | 2 | Son | — | Massachusetts |
| 45 | Thomas Young | 37 | Head | Printer | England |
| 46 | Ruth M. Young | 34 | Wife | — | Massachusetts |
| 47 | Dorothy J. Young | 12 | Daughter | — | Massachusetts |
| 48 | Carl A. Bishop | 44 | Head | Machinist | Maine |
| 49 | Mildred F. Bishop | 39 | Wife | — | New Hampshire |
| 50 | Walter A. Bishop | 20 | Son | Student | Massachusetts |
Related Census Records
Pedigree Summary
Florence + 8 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 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)