RB
Ralph Brown — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Ralph Brown across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 4-person household.
Age 42
b. ~1888
Male
Head
Born: New Hampshire
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Brown |
| Given Name | Ralph N. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 29 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Additional Details | |
| Occupation | Physician |
| Industry | Own Business |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 12,000 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Physician |
| Township / Ward | Malden City |
| Est. Birth Year | ~1888 |
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 Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ralph Brown | Head | — | 42 | ~1888 |
| Helen Brown | Other | — | 40 | ~1890 |
| Douglas Brown | Son | — | 8 | ~1922 |
| Robert Brown | Son | — | 5 | ~1925 |
Census Appearances
1910
Middlesex, Massachusetts
Other, age 21
Middlesex, Massachusetts · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Ralph J |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Driver |
| Industry | Milk Team |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Middlesex, Massachusetts
Head, age 33
Middlesex, Massachusetts · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Ralph N |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Physician |
| Industry | Medical |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Middlesex, Massachusetts
Head, age 42
Middlesex, Massachusetts · implied b. ~1888 — 4 household members
| Surname | Brown |
| Given Name | Ralph N. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 29 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Physician |
| Industry | Own Business |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 12,000 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Ralph Brown across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Ralph Brown
Head · 1930 · age 42 · b. ~1888 · Massachusetts
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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:massachusettscensus00reel923:0210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Reed L. Winans | 31 | Head | Salesmanager | New York |
| 2 | Ida B. Winans | 26 | Wife-H | — | Massachusetts |
| 3 | James F. Christopherson | 39 | Head | Superintendent | Massachusetts |
| 4 | Annie S. Christopherson | 37 | Wife-H | — | New Hampshire |
| 5 | William O. Breden | 62 | Head | Civil Engineer | Massachusetts |
| 6 | Louise E. Waters | 54 | Head-H | Bookkeeper | Canada English |
| 7 | Harry L. Appleton | 56 | Head | Agent | Massachusetts |
| 8 | Edith L. Appleton | 58 | Wife-H | — | Massachusetts |
| 9 | Thomas S. Appleton | 87 | Father | — | Massachusetts |
| 10 | Norman S. Appleton | 26 | Son | Draftsman | Massachusetts |
| 11 | Ralph L. Appleton | 23 | Son | — | Massachusetts |
| 12 | Henry Gerrish | 61 | Head | Salesman | Massachusetts |
| 13 | Susan M. Gerrish | 55 | Wife-H | — | Massachusetts |
| 14 | Elliott Gerrish | 25 | Son | Clerk | Massachusetts |
| 15 | Louis J. Dean | 62 | Head | Superintendent | Pennsylvania |
| 16 | Alice L. Dean | 55 | Wife-H | — | New Hampshire |
| 17 | Robert L. Dean | 28 | Son | Draftsman | Massachusetts |
| 18 | Mildred L. Dean | 31 | Daughter | — | Massachusetts |
| 19 | Neil J. Macleod | 52 | Head | Tailor | Canada English |
| 20 | Ethel M. Macleod | 51 | Wife-H | — | Canada English |
| 21 | Jenny S. Wry | 72 | Mother-in-law | — | Canada English |
| 22 | Harold S. Wry | 45 | Brother-in-law | Salesman | Canada English |
| 23 | Frank A. Fletcher | 29 | Lodger | Salesman | Vermont |
| 24 | Vera Fletcher | 36 | Lodger | Stenographer | Canada English |
| 25 | Mae Buttrick | 42 | Lodger | Saleslady | Massachusetts |
| 26 | Florence G. Buttrick | 19 | Lodger | Auditor | Massachusetts |
| 27 | Henry A. Weir | 58 | Head | Undertaker | New York |
| 28 | Lucy E. Weir | 44 | Wife-H | — | Connecticut |
| 29 | Alma E. Weir | 22 | Daughter | Teacher | Connecticut |
| 30 | William S. Southworth | 78 | Head | — | Massachusetts |
| 31 | Mary G. Southworth | 68 | Sister | — | Massachusetts |
| 32 | Caroline Sutherland | 50 | Servant | Nurse | Canada English |
| 33 | Albert F. Sargent | 58 | Head | Civil Engineer | Massachusetts |
| 34 | Clara L. Sargent | 56 | Wife-H | — | Massachusetts |
| 35 | Claire Sargent | 22 | Daughter | — | Massachusetts |
| 36 | Richard Ives | 62 | Head | Freight Agent | Massachusetts |
| 37 | Lucy C. Ives | 57 | Wife-H | — | Maine |
| 38 | Francis N. G. Smith | 48 | Head | Superintendent | Massachusetts |
| 39 | Bessie C. Smith | 47 | Wife-H | — | Massachusetts |
| 40 | Mary A. Brier | 62 | Head | — | Massachusetts |
| 41 | Miriam Brier | 25 | Daughter | — | Massachusetts |
| 42 | Evelyn Brier | 23 | Daughter | — | Massachusetts |
| 43 | Arthur L. Tallman | 51 | Head | — | New York |
| 44 | Harry B. Grant | 52 | Head | Chauffeur | Massachusetts |
| 45 | Jamie L. Grant | 47 | Wife-H | Bookkeeper | England |
| 46 | Ralph N. Brown THIS PERSON | 42 | Head | Physician | New Hampshire |
| 47 | Helen M. Brown | 40 | Wife-H | — | New Hampshire |
| 48 | Douglas G. Brown | 8 | Son | — | Massachusetts |
| 49 | Robert S. Brown | 5 | Son | — | Massachusetts |
| 50 | Stephen G. Graham | 60 | Head | Carpenter | Canada English |
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)