JJ
Joseph Jacobs — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Joseph Jacobs across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 14-person household.
Age 0
b. ~1930
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Jacobs |
| Given Name | Joseph A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada French |
| Additional Details | |
| Can Read/Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Hudson Town |
| Est. Birth Year | ~1930 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Paul Jacobs | Son | — | 2 | ~1928 |
| Alice Jacobs | Daughter | — | 11 | ~1919 |
| Muriel Jacobs | Daughter | — | 17 | ~1913 |
| John Jacobs | Son | — | 6 | ~1924 |
| Harold Jacobs | Son | — | 10 | ~1920 |
| Charles Jacobs | Son | — | 8 | ~1922 |
| Julian Jacobs | Son | — | 5 | ~1925 |
| Alice Jacobs | Other | — | 39 | ~1891 |
| Jeanette Jacobs | Daughter | — | 4 | ~1926 |
| Joseph Jacobs | Son | — | ~1930 | |
| Eleanor Jacobs | Daughter | — | 14 | ~1916 |
| Donald Jacobs | Son | — | 16 | ~1914 |
| Joseph Jacobs | Head | — | 40 | ~1890 |
| Vivian Jacobs | Son | — | 13 | ~1917 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age
Middlesex, Massachusetts · implied b. ~1930 — 14 household members
| Surname | Jacobs |
| Given Name | Joseph A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada French |
| Can Read/Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 11
Middlesex-County, Massachusetts · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobus |
| Given Name | J Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden City |
| 1935 Residence (County) | Middlesex |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| 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 Joseph Jacobs across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Jacobs
Son · 1930 · age 0 · b. ~1930 · Massachusetts
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Sibling
John Jacobs
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Jacobs
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Jacobs
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Jacobs
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Jacobs
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Jacobs
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Jacobs
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Muriel Jacobs
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julian Jacobs
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Jacobs
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vivian Jacobs
Sibling · 1930 · age 13
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:massachusettscensus00reel919:0815)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ira Magoon | 57 | Head | Laborer | Vermont |
| 52 | Lucy Magoon | 49 | Wife-H | — | Canada French |
| 53 | Rita Magoon | 16 | Daughter | Worker | Vermont |
| 54 | Frank Magoon | 10 | Son | Salesman | Vermont |
| 55 | Albert Magoon | 8 | Son | — | Vermont |
| 56 | Eugene Miles | 32 | Head | Machinist | New Hampshire |
| 57 | Susan M. H. Miles | 26 | Daughter | — | New Hampshire |
| 58 | Raymond Miles | 9 | Son | — | Massachusetts |
| 59 | Richard Miles | 7 | Son | — | Massachusetts |
| 60 | Robert Miles | 6 | Son | — | Massachusetts |
| 61 | Mildred Miles | 5 | Daughter | — | Massachusetts |
| 62 | Barbara Miles | 4 | Daughter | — | Massachusetts |
| 63 | Walter Dupree | 36 | Head | Teamster | Massachusetts |
| 64 | Mabel F. Dupree | 41 | Wife-H | — | Massachusetts |
| 65 | Marian F. Dupree | 13 | Daughter | — | Massachusetts |
| 66 | Donald F. Dupree | 11 | Son | — | Massachusetts |
| 67 | Jeanne H. Dupree | 5 | Daughter | — | Massachusetts |
| 68 | Arthur Mcdonald | 59 | Head | — | Massachusetts |
| 69 | Paul Mcdonald | 27 | Son | Merchant | Massachusetts |
| 70 | Stephen Mcdonald | 20 | Son | Clerk | Massachusetts |
| 71 | Mildred Mcdonald | 18 | Daughter | Stenographer | Massachusetts |
| 72 | Frederick Jacobs | 72 | Head | Retired | Canada French |
| 73 | Edwidge Jacobs | 72 | Wife-H | — | Canada French |
| 74 | Ralph Roberts | 20 | Boarder | Apprentice | Massachusetts |
| 75 | Joseph E. Jacobs | 40 | Head | Counterman | Massachusetts |
| 76 | Alice Jacobs | 39 | Wife-H | — | Canada French |
| 77 | Muriel Jacobs | 17 | Daughter | Shoe Maker | Massachusetts |
| 78 | Donald Jacobs | 16 | Son | — | Massachusetts |
| 79 | Eleanor Jacobs | 14 | Daughter | — | Massachusetts |
| 80 | Vivian R. Jacobs | 13 | Son | — | Massachusetts |
| 81 | Alice A. Jacobs | 11 | Daughter | — | Massachusetts |
| 82 | Harold J. Jacobs | 10 | Son | — | Massachusetts |
| 83 | Charles H. Jacobs | 8 | Son | — | Massachusetts |
| 84 | John T. Jacobs | 6 | Son | — | Massachusetts |
| 85 | Julian R. Jacobs | 5 | Son | — | Massachusetts |
| 86 | Jeanette Jacobs | 4 | Daughter | — | Massachusetts |
| 87 | Paul F. Jacobs | 2 | Son | — | Massachusetts |
| 88 | Joseph A. Jacobs THIS PERSON | 0 | Son | — | Massachusetts |
| 89 | Henry Cassano | 65 | Head | Peddler | Italy |
| 90 | Angelina Cassano | 65 | Wife-H | — | Italy |
| 91 | Augusta Cassano | 35 | Daughter | Domestic | Massachusetts |
| 92 | Peter Dionisi | 45 | Head | Laborer | Italy |
| 93 | Antoinette Dionisi | 41 | Wife-H | — | Italy |
| 94 | Ernestine Dionisi | 19 | Daughter | Shoe Maker | Massachusetts |
| 95 | Pauline Dionisi | 15 | Daughter | Shoe Maker | Massachusetts |
| 96 | Joseph J. Dionisi | 12 | Son | — | Massachusetts |
| 97 | Vincent A. Dionisi | 10 | Son | — | Massachusetts |
| 98 | Ambrose Dionisi | 9 | Daughter | — | Massachusetts |
| 99 | Felix Dionisi | 6 | Son | — | Massachusetts |
| 100 | Mary R. Dionisi | 4 | 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)