DR
David Roberts — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this David Roberts across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 8-person household.
Age 16
b. ~1914
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Roberts |
| Given Name | David W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Odd Jobs |
| Industry | Printing Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Odd Jobs |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1914 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Alice Roberts | Daughter | — | 11 | ~1919 |
| Francis Roberts | Son | — | 7 | ~1923 |
| John Roberts | Head | — | 39 | ~1891 |
| Charles Roberts | Son | — | 5 | ~1925 |
| Walter Roberts | Son | — | 3 | ~1927 |
| Antoinette Roberts | Other | — | 34 | ~1896 |
| David Roberts | Son | — | 16 | ~1914 |
| Elizabeth Roberts | Daughter | — | 15 | ~1915 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 5
Middlesex, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1914 — 8 household members
| Surname | Roberts |
| Given Name | David W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Odd Jobs |
| Industry | Printing Plant |
| 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 David Roberts across 2 US Census years (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
David Roberts
Son · 1930 · age 16 · b. ~1914 · Massachusetts
★ You are viewing this record
Sibling
Charles Roberts
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Roberts
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Roberts
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Roberts
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Roberts
Sibling · 1930 · age 3
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
37 people indexed on this census page (ia:1930:massachusettscensus00reel928:0037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Augusto Teixeira | 28 | Wife-H | Shoe Worker | Portugal |
| 2 | Hattie Teixeira | 2 | Daughter | — | Massachusetts |
| 3 | John Teixeira | 1 | Son | — | Massachusetts |
| 4 | Bella Bento | 20 | Boarder | Shoe Worker | Portugal |
| 5 | Emma M. Young | 29 | Head-H | — | Maine |
| 6 | James T. Young | 5 | Son | — | Massachusetts |
| 7 | Theodora M. Young | 2 | Daughter | — | Massachusetts |
| 8 | John J. Roberts | 39 | Head | Baker | Massachusetts |
| 9 | Antoinette M. Roberts | 34 | Wife-H | — | Massachusetts |
| 10 | David W. Roberts THIS PERSON | 16 | Son | Odd Jobs | Massachusetts |
| 11 | Elizabeth T. Roberts | 15 | Daughter | — | Massachusetts |
| 12 | Alice Roberts | 11 | Daughter | — | Massachusetts |
| 13 | Francis Roberts | 7 | Son | — | Massachusetts |
| 14 | Charles L. Roberts | 5 | Son | — | Massachusetts |
| 15 | Walter E. Roberts | 3 | Son | — | Massachusetts |
| 16 | Charles E. Melander | 25 | Head | Sheet Metal Worker | Sweden |
| 17 | Dorothy T. Melander | 21 | Wife-H | — | Massachusetts |
| 18 | Mary E. Johnson | 54 | Head | — | Massachusetts |
| 19 | Andrew N. Campbell | 57 | Lodger | Blacksmith | Canada English |
| 20 | Clyde Campbell | 19 | Lodger | Printer | Canada English |
| 21 | Emma Campbell | 23 | Lodger | Inspector | Canada English |
| 22 | Ruth L. Campbell | 3 | Lodger | — | Massachusetts |
| 23 | Bertie C. Campbell | 1 | Lodger | — | Massachusetts |
| 24 | Edward Ronayne | 23 | Head | Odd Jobs | Massachusetts |
| 25 | Frances J. Ronayne | 19 | Wife-H | — | Newfoundland |
| 26 | Mary A. Ronayne | 0 | Daughter | — | Massachusetts |
| 27 | Frederick J. Collins | 31 | Head | Shoe Worker | Newfoundland |
| 28 | Mary Collins | 32 | Wife-H | Shoe Worker | Newfoundland |
| 29 | Joseph Sparrow | 24 | Head | Odd Jobs | Newfoundland |
| 30 | Helen Sparrow | 24 | Wife-H | — | Newfoundland |
| 31 | Hilma Rees | 53 | Head-H | House Work | Sweden |
| 32 | Jennie H. Rees | 23 | Daughter | Examiner | Massachusetts |
| 33 | Mary Perry | 64 | Mother-in-law | — | Azores |
| 34 | Alice Costa | 11 | Daughter | — | Massachusetts |
| 35 | Albert M. Thompson | 34 | Boarder | — | Massachusetts |
| 36 | Frank Pye | 17 | Boarder | Odd Jobs | Canada English |
| 37 | Mary T. Estrella | 8 | Daughter | — | Massachusetts |
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)