GJ
Grace Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this Grace Johnson across the 1920 and 1930 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 10-person household.
Age 21
b. ~1909
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Worcester, Massachusetts |
| Surname | Johnson |
| Given Name | Grace E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Clerk |
| Industry | Grinding Wheel Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1909 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Rose Johnson | Daughter | — | 18 | ~1912 |
| Marion Johnson | Daughter | — | 11 | ~1919 |
| Florence Johnson | Daughter | — | 30 | ~1900 |
| Grace Johnson | Daughter | — | 21 | ~1909 |
| Karl Johnson | Head | — | 50 | ~1880 |
| Warren Johnson | Son | — | 13 | ~1917 |
| R Johnson | Son | — | 23 | ~1907 |
| Earl Johnson | Son | — | 7 | ~1923 |
| Howard Johnson | Son | — | 15 | ~1915 |
| Sally Johnson | Spouse | — | 52 | ~1878 |
Census Appearances
1920
Worcester, Massachusetts
Daughter, age 11
Worcester, Massachusetts · implied b. ~1909 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Grace E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Daughter, age 21
Worcester, Massachusetts · implied b. ~1909 — 10 household members
| Surname | Johnson |
| Given Name | Grace E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Grinding Wheel Co. |
| 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 Grace Johnson across 2 US Census years (1920 and 1930) in Worcester, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Johnson
Daughter · 1930 · age 21 · b. ~1909 · Massachusetts
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Sibling
Warren Johnson
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Johnson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Johnson
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Johnson
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
R Johnson
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Johnson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Johnson
Sibling · 1930 · age 18
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 — Worcester, Massachusetts
Open full size
1930 US Federal Census — Worcester, Massachusetts
Page Contents
49 people indexed on this census page (ia:1930:massachusettscensus00reel967:0328)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary L. Bliss | 67 | Head | — | Massachusetts |
| 2 | Raymond Bliss | 47 | Son | Clerk | Massachusetts |
| 3 | Henry Wesson | 34 | Head | Painter | Germany |
| 4 | Mary J. Wesson | 32 | Wife | — | Germany |
| 5 | Harry J. Wesson | 2 | Son | — | New York |
| 6 | Arthur J. Rouleau | 46 | Head | Engineer | Canada-French |
| 7 | Mary E. Rouleau | 47 | Wife | Proprietor | New York |
| 8 | Lorayne R. Rouleau | 21 | Daughter | Saleslady | New Hampshire |
| 9 | Vera Louise Rouleau | 18 | Daughter | Saleslady | Massachusetts |
| 10 | Edna Fortin | 22 | Daughter | Musician | Massachusetts |
| 11 | Jean D. Fortin | 3 | Granddaughter | — | Massachusetts |
| 12 | Eugene D. Rivers | 71 | Head | Assembler | Canada-English |
| 13 | Delia J. Rivers | 63 | Wife | — | Vermont |
| 14 | Russell C. Rivers | 23 | Son | Designer | Massachusetts |
| 15 | Karl J. Johnson | 50 | Head | Painter | Sweden |
| 16 | Sally M. Johnson | 52 | Wife | — | Sweden |
| 17 | Florence E. Johnson | 30 | Daughter | Stenographer | Massachusetts |
| 18 | R. Francis Johnson | 23 | Son | Painter | Massachusetts |
| 19 | Grace E. Johnson THIS PERSON | 21 | Daughter | Clerk | Massachusetts |
| 20 | Rose M. Johnson | 18 | Daughter | — | Massachusetts |
| 21 | Howard L. Johnson | 15 | Son | — | Massachusetts |
| 22 | Warren C. Johnson | 13 | Son | — | Massachusetts |
| 23 | Marion V. Johnson | 11 | Daughter | — | Massachusetts |
| 24 | Earl Kenneth Johnson | 7 | Son | — | Massachusetts |
| 25 | Roy B. Benner | 28 | Head | Accountant | Maine |
| 26 | Carrie M. Benner | 25 | Wife | — | Canada-English |
| 27 | Herbert Lundell | 32 | Head | Clerk | Sweden |
| 28 | Myrtle Lundell | 37 | Wife | — | Connecticut |
| 29 | John L. Person | 63 | Head | Operator | Sweden |
| 30 | Sophia Person | 62 | Wife | — | Sweden |
| 31 | Hilding J. Person | 27 | Son | Trucking | Massachusetts |
| 32 | Joseph E. Gustavson | 39 | Head | Pattern Maker | Sweden |
| 33 | Ellen Gustavson | 38 | Wife | — | Sweden |
| 34 | Gustav Wallberg | 55 | Head | Research | Sweden |
| 35 | Laura Wallberg | 53 | Wife | — | Sweden |
| 36 | Evelyn C. Wallberg | 27 | Daughter | Stenographer | Massachusetts |
| 37 | David G. Wallberg | 24 | Son | Clerk | Massachusetts |
| 38 | Verna M. Wallberg | 17 | Daughter | — | Massachusetts |
| 39 | Norma A. Wallberg | 14 | Daughter | — | Massachusetts |
| 40 | Albert Hultquist | 38 | Head | Blacksmith | Connecticut |
| 41 | Rosella Hultquist | 25 | Wife | — | Massachusetts |
| 42 | Everett Hultquist | 3 | Son | — | Massachusetts |
| 43 | Rena Hultquist | 63 | Head | — | Sweden |
| 44 | Mabel Hultquist | 29 | Daughter | Inspector | Massachusetts |
| 45 | Esther Hultquist | 25 | Daughter | Stitcher | Massachusetts |
| 46 | William Jr. Brown | 47 | Head | Painter | Massachusetts |
| 47 | Helen J. Brown | 45 | Wife | — | Massachusetts |
| 48 | Alice J. Brown | 4 | Daughter | — | Massachusetts |
| 49 | Robert B. Brown | 9 | Son | — | Massachusetts |
Related Census Records
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)