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Joseph Knight — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Joseph Knight across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 8-person household.
Age 18
b. ~1912
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Knight |
| Given Name | Joseph Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1912 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Helen Knight | Daughter | — | 11 | ~1919 |
| Dorothy Knight | Daughter | — | 15 | ~1915 |
| Edna Knight | Other | — | 38 | ~1892 |
| Joseph Knight | Son | — | 18 | ~1912 |
| Edna Knight | Daughter | — | 13 | ~1917 |
| Joseph Knight | Head | — | 41 | ~1889 |
| Alice Knight | Daughter | — | 9 | ~1921 |
| Amy Knight | Daughter | — | 7 | ~1923 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 9
Middlesex, Massachusetts · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New York |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 18
Middlesex, Massachusetts · implied b. ~1912 — 8 household members
| Surname | Knight |
| Given Name | Joseph Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Massachusetts |
| 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 Joseph Knight across 2 US Census years (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Knight
Son · 1930 · age 18 · b. ~1912 · Massachusetts
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Sibling
Helen Knight
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Knight
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Knight
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amy Knight
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Knight
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
44 people indexed on this census page (ia:1930:massachusettscensus00reel920:0971)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Knight | 41 | Head | Wool Sorter | Pennsylvania |
| 2 | Edna Knight | 38 | Wife-H | — | Massachusetts |
| 3 | Joseph Jr Knight THIS PERSON | 18 | Son | — | Massachusetts |
| 4 | Dorothy Knight | 15 | Daughter | — | Massachusetts |
| 5 | Edna Knight | 13 | Daughter | — | Massachusetts |
| 6 | Helen Knight | 11 | Daughter | — | Massachusetts |
| 7 | Alice Knight | 9 | Daughter | — | Massachusetts |
| 8 | Amy Knight | 7 | Daughter | — | Massachusetts |
| 9 | Charles Whittaker | 39 | Head | Baker | New Hampshire |
| 10 | Nellie Whittaker | 38 | Wife-H | — | New Hampshire |
| 11 | Evelyn B Whittaker | 9 | Daughter | — | Massachusetts |
| 12 | Louise M Whittaker | 7 | Daughter | — | Massachusetts |
| 13 | George H Whittaker | 4 | Son | — | Massachusetts |
| 14 | George Demers | 47 | Head | Painter | Canada-French |
| 15 | Delia Demers | 47 | Wife-H | — | United States |
| 16 | Rose Demers | 27 | Daughter | — | Massachusetts |
| 17 | George Jr Demers | 24 | Son | — | Massachusetts |
| 18 | Leo Demers | 19 | Son | — | Massachusetts |
| 19 | Mary Demers | 16 | Daughter | — | Massachusetts |
| 20 | Alice Demers | 42 | Head | Housework | Massachusetts |
| 21 | George H La Course | 49 | Head | Washer | Michigan |
| 22 | Yvonne La Course | 33 | Wife-H | — | Michigan |
| 23 | George Jr La Course | 15 | Son | — | Michigan |
| 24 | Joseph La Course | 13 | Son | — | Michigan |
| 25 | Yvonne V La Course | 12 | Daughter | — | Massachusetts |
| 26 | George La Course | 10 | Son | — | Massachusetts |
| 27 | Arthur La Course | 7 | Son | — | Massachusetts |
| 28 | Lydia La Course | 6 | Daughter | — | Massachusetts |
| 29 | Raymond La Course | 4 | Son | — | Massachusetts |
| 30 | Rita La Course | 2 | Daughter | — | Massachusetts |
| 31 | Meyer Klein | 45 | Head | Peddler | Russia |
| 32 | Rose Klein | 47 | Wife-H | — | Russia |
| 33 | Lillian C Klein | 17 | Daughter | — | Massachusetts |
| 34 | Abraham Klein | 14 | Son | — | Massachusetts |
| 35 | Isaac Levine | 46 | Head | — | Poland |
| 36 | Charles Levine | 25 | Son | Garage Man | Massachusetts |
| 37 | Minnie Levine | 23 | Daughter | Waitress | Massachusetts |
| 38 | Robert Levine | 21 | Son | Truck Driver | Massachusetts |
| 39 | Benjamin Frank | 45 | Head | Baker | Poland |
| 40 | Sarah Frank | 42 | Wife-H | Baker | Russia |
| 41 | Ida Frank | 21 | Daughter | Bookkeeper | Massachusetts |
| 42 | Abraham Frank | 19 | Son | Baker | Massachusetts |
| 43 | Walter Frank | 18 | Son | — | Massachusetts |
| 44 | Thomas Frank | 13 | Son | — | 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)