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Thelma Brown — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Thelma Brown across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Harold & Harold — first a daughter (b.~1910), then head of a 6-person household.
Age 20
b. ~1910
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Brown |
| Given Name | Thelma E. |
| 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 | Stenographer |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Stenographer |
| Township / Ward | Reading Town Part Of |
| 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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Thelma Brown | Daughter | — | 20 | ~1910 |
| Doris Brown | Daughter | — | 18 | ~1912 |
| Harold Brown | Head | — | 43 | ~1887 |
| Edgar Holland | Other | — | 12 | ~1918 |
| Norman Holland | Other | — | 10 | ~1920 |
| Mary Brown | Spouse | — | 38 | ~1892 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 1
Middlesex, Massachusetts · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Thelma E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| 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 10
Middlesex, Massachusetts · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Thelma 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 |
| Occupation | none |
| 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 — 6 household members
| Surname | Brown |
| Given Name | Thelma E. |
| 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 | Stenographer |
| Industry | Bank |
| 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 Thelma Brown across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Harold Brown (~0.92 confidence) and father Harold Brown (~0.92 confidence) and mother Annie Brown (~0.92 confidence) and mother Mary Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harold Brown
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Harold Brown
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Annie Brown
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Mary Brown
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thelma Brown
Daughter · 1930 · age 20 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Doris Brown
Sibling · 1930 · age 18
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:massachusettscensus00reel927:0392)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 11 | Raymond D. Keating | 49 | Head | Accountant | Maine |
| 12 | Helen W. Keating | 34 | Wife | — | Massachusetts |
| 13 | Winifred J. Keating | 11 | Daughter | — | Massachusetts |
| 14 | Ralph C. Keating | 8 | Son | — | Massachusetts |
| 15 | Lewis C. Pillsbury | 55 | Head | Pattern Cutter | Massachusetts |
| 16 | Mary E. Pillsbury | 55 | Wife | Telephone Operator | Massachusetts |
| 17 | Gilbert Lundy | 29 | Head | Clerk | Massachusetts |
| 18 | Beulah M. Lundy | 35 | Wife | Trained Nurse | Massachusetts |
| 19 | Harold A. Brown | 43 | Head | Salesman | Massachusetts |
| 20 | Mary R. Brown | 38 | Wife | — | Massachusetts |
| 21 | Thelma E. Brown THIS PERSON | 20 | Daughter | Stenographer | Massachusetts |
| 22 | Doris R. Brown | 18 | Daughter | — | Massachusetts |
| 23 | Edgar M. Holland | 12 | Stepson | — | Massachusetts |
| 24 | Norman S. Holland | 10 | Stepson | — | Massachusetts |
| 25 | Arthur L. Gray | 37 | Head | Inspector | Massachusetts |
| 26 | Mildred J. Gray | 31 | Wife | — | New Hampshire |
| 27 | A. Milton Gray | 11 | Son | — | Massachusetts |
| 28 | Natalie Gray | 11 | Daughter | — | Massachusetts |
| 29 | Anna Denehy | 14 | Maid | — | Massachusetts |
| 30 | Warren R. Martin | 34 | Head | Manager | Massachusetts |
| 31 | Hazel B. Martin | 34 | Wife | — | Massachusetts |
| 32 | Alma B. Martin | 7 | Daughter | — | Massachusetts |
| 33 | Mary Gossa | 16 | Servant | — | Massachusetts |
| 34 | James W. Smith | 56 | Head | Supporter | New Hampshire |
| 35 | Cora M. Smith | 53 | Wife | — | New Hampshire |
| 36 | Nelson A. Smith | 24 | Son | Inspector | New Hampshire |
| 37 | Emily D. Smith | 24 | Daughter-in-law | — | Maine |
| 38 | Gertrude Smith | 0 | G. Daughter | — | Massachusetts |
| 39 | Walter M. Small | 53 | Head | Chief Clerk | Maine |
| 40 | Clara A. Small | 51 | Wife | — | Massachusetts |
| 41 | Marion E. Small | 21 | Daughter | Practical Nurse | Massachusetts |
| 42 | Donald M. Small | 19 | Son | — | Massachusetts |
| 43 | Philip C. Small | 14 | Son | — | Massachusetts |
| 44 | Joseph W. Whitaker | 68 | Head | Chauffeur And Gardener | Massachusetts |
| 45 | Angie M. Whitaker | 61 | Wife | — | Massachusetts |
| 46 | Frances Renick | 81 | Head | — | Maine |
| 47 | Delia A. Carr | 82 | Boarder | — | New Hampshire |
| 48 | Walter C. White | 45 | Head | Conductor | Connecticut |
| 49 | Senesta M. White | 44 | Wife | — | Canada English |
| 50 | John W. White | 14 | Son | — | Massachusetts |
| 51 | Frank G. Smith | 60 | Lodger | Salesman | California |
| 52 | Irving G. Smith | 28 | Lodger | Shipping Clerk | Maine |
| 53 | James F. Appleby | 26 | Lodger | Manager | New York |
| 54 | Howard E. Bussell | 35 | Head | Salesman | Massachusetts |
| 55 | Paulina R. Bussell | 35 | Wife | — | Massachusetts |
| 56 | Shirley L. Bussell | 5 | Daughter | — | Massachusetts |
| 57 | Hollis O. Marshall | 40 | Head | Agent | Massachusetts |
| 58 | Charles C. Wakefield | 60 | Head | Shipper | Massachusetts |
| 59 | Amanda Shurtliff | 65 | Housekeeper | Housekeeper | Canada English |
| 60 | Bertha S. Bancroft | 62 | Head | — | Maine |
Pedigree Summary
Thelma + 1 sibling
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)