CB
Clarence Brown — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Clarence Brown across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Mary & Ralph — first a son (b.~1910), then head of a 4-person household.
Age 20
b. ~1910
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Brown |
| Given Name | Clarence S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Natick Town Pt 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Helen Brown | Daughter | — | 17 | ~1913 |
| Evelyn Brown | Daughter | — | 19 | ~1911 |
| Mary Brown | Head | — | 40 | ~1890 |
| Clarence Brown | Son | — | 20 | ~1910 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age
Middlesex, Massachusetts · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Clarence S. |
| Relationship to Head | Son |
| Sex | M |
| 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
Son, age 10
Middlesex, Massachusetts · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Clarence S. |
| Relationship to Head | Son |
| Sex | M |
| 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
Son, age 20
Middlesex, Massachusetts · implied b. ~1910 — 4 household members
| Surname | Brown |
| Given Name | Clarence S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | Railroad |
| 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 Clarence Brown across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: mother Mary Brown (~0.92 confidence) and father Ralph Brown (~0.92 confidence) and mother Mary 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
Mother
Mary Brown
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Ralph Brown
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Mary Brown
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Mary Brown
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Brown
Son · 1930 · age 20 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Helen Brown
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Brown
Sibling · 1930 · age 19
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:massachusettscensus00reel925:0323)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth Barry | 24 | Head | Printer | Massachusetts |
| 2 | Alita Barry | 25 | Wife | Clerk | Massachusetts |
| 3 | Lolita Barry | 5 | Daughter | — | Massachusetts |
| 4 | Norman E Barry | 1 | Son | — | Massachusetts |
| 5 | Clarence Reiss | 57 | Head | Finisher | Massachusetts |
| 6 | Ellen F Reiss | 55 | Wife | — | Massachusetts |
| 7 | Claire M Reiss | 20 | Daughter | Stenographer | Massachusetts |
| 8 | Albert Reiss | 17 | Son | Laborer | Massachusetts |
| 9 | Mary E Brown | 40 | Head | Stapler | Massachusetts |
| 10 | Clarence S Brown THIS PERSON | 20 | Son | Clerk | Massachusetts |
| 11 | Evelyn R Brown | 19 | Daughter | Accountant | Massachusetts |
| 12 | Helen L Brown | 17 | Daughter | — | Massachusetts |
| 13 | Alfred E Howe | 59 | Head | Druggist | Massachusetts |
| 14 | Winnefred Howe | 52 | Wife | — | Massachusetts |
| 15 | Mary Howe | 18 | Daughter | — | Massachusetts |
| 16 | Betty Howe | 9 | Daughter | — | Irish Free State |
| 17 | Michael J Howe | 20 | Brother | Laborer | Irish Free State |
| 18 | Frank C Bishop | 48 | Head | Treasurer | Massachusetts |
| 19 | Olione M Bishop | 46 | Wife | — | Massachusetts |
| 20 | Frank M Bishop | 21 | Son | Student | Massachusetts |
| 21 | Dorothy L Bishop | 18 | Daughter | Student | Massachusetts |
| 22 | Wendell C Bishop | 10 | Son | — | Massachusetts |
| 23 | Otto A Brunen | 68 | Head | Retired | Kentucky |
| 24 | Carrie I Brunen | 67 | Wife | — | New Hampshire |
| 25 | Harris M Brigham | 74 | Head | Custodian | Massachusetts |
| 26 | Daisy M Brigham | 62 | Wife | — | Massachusetts |
| 27 | Florence Macewen | 69 | Head | Proprietor | Massachusetts |
| 28 | Louis N Hathaway | 45 | Head | Purchasing Agent | Massachusetts |
| 29 | Beatrice M Hathaway | 42 | Wife | Sales Woman | Massachusetts |
| 30 | William G Hathaway | 20 | Son | Painter | Massachusetts |
| 31 | Clifford W Hathaway | 11 | Son | — | Massachusetts |
| 32 | Helen M Hathaway | 47 | Sister | Housekeeper | Massachusetts |
| 33 | Harry C Lawton | 41 | Head | Contractor | Kansas |
| 34 | Hope E Lawton | 41 | Wife | — | Massachusetts |
| 35 | Elizabeth C Lawton | 16 | Daughter | — | Massachusetts |
| 36 | Cransdon Lawton | 9 | Son | — | Massachusetts |
| 37 | Frank A Melvin | 52 | Head | Salesman | Canada English |
| 38 | Mabel B Melvin | 47 | Wife | — | Massachusetts |
| 39 | Madeline J Melvin | 23 | Daughter | Secretary | Massachusetts |
| 40 | Walter J Klein | 65 | Head | Retired | Massachusetts |
| 41 | Mary A Klein | 54 | Wife | — | Canada English |
| 42 | Ester M Klein | 33 | Daughter | — | Massachusetts |
| 43 | Elizabeth Klein | 22 | Daughter | — | Massachusetts |
| 44 | Rebecca J Colby | 76 | Head | — | Massachusetts |
| 45 | Emma H Colby | 52 | Daughter | Treasurer | Massachusetts |
| 46 | Arthur W Robinson | 56 | Head | Secretary | Massachusetts |
| 47 | Mabel J Robinson | 60 | Wife | — | Massachusetts |
| 48 | Emily F Dudley | 80 | Cousin | — | Massachusetts |
| 49 | Adelaide Thomas | 42 | Cousin | Housekeeper | Maine |
| 50 | <End> | None | — | <Blank> | <blank> |
Pedigree Summary
Clarence + 2 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)