JJ
Julia Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this Julia Johnson across the 1910, 1920 and 1930 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 5-person household.
Age 41
b. ~1889
Female
Spouse
Born: Sweden
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Worcester, Massachusetts |
| Surname | Johnson |
| Given Name | Julia A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 32 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Veteran | Yes |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1889 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Julia | Age | Birth yr |
|---|---|---|---|---|
| Annie Johnson | Daughter | — | 11 | ~1919 |
| Ernest Johnson | Head | — | 50 | ~1880 |
| Ernest Johnson | Son | — | 18 | ~1912 |
| Gustaf Johnson | Son | — | 15 | ~1915 |
| Julia Johnson | Spouse | — | 41 | ~1889 |
Census Appearances
1910
Worcester, Massachusetts
Spouse, age 22
Worcester, Massachusetts · implied b. ~1888 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Sweden |
| Years Married | 2 |
| Children Born | 1 |
| Children Living | 1 |
| Year of Immigration | 1906 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Keeper |
| Industry | Lodging House |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Worcester, Massachusetts
Spouse, age 30
Worcester, Massachusetts · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1904 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1915 |
| Birthplace (normalized) | sweden |
1930
Worcester, Massachusetts
Spouse, age 41
Worcester, Massachusetts · implied b. ~1889 — 5 household members
| Surname | Johnson |
| Given Name | Julia A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 32 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Veteran | Yes |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Julia Johnson across 3 US Census years (1910, 1920 and 1930) in Worcester, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Julia Johnson
Spouse · 1930 · age 41 · b. ~1889 · 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 — Worcester, Massachusetts
Open full size
1930 US Federal Census — Worcester, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel968:0018)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Louis M Kelley | 9 | Daughter | — | Massachusetts |
| 52 | Arthur Kelley | 8 | Son | — | Massachusetts |
| 53 | Harry C Kelley | 7 | Son | — | Massachusetts |
| 54 | Mabel H Kelley | 5 | Daughter | — | Massachusetts |
| 55 | Edith Kelley | 4 | Daughter | — | Massachusetts |
| 56 | Harriet Kelley | 3 | Daughter | — | Massachusetts |
| 57 | Alonzo Kelley | 1 | Son | — | Massachusetts |
| 58 | Harry Kurtigian | 30 | Head | Barber | Turkey |
| 59 | Margaret Kurtigian | 25 | Wife | — | Turkey |
| 60 | Alice Kurtigian | 8 | Daughter | — | Massachusetts |
| 61 | Harry Kurtigian | 5 | Son | — | Massachusetts |
| 62 | Cornelius O'Leary | 56 | Head | Fireman | Ireland |
| 63 | Eleanor O'Leary | 54 | Wife | — | Ireland |
| 64 | John M Dowd | 49 | Head | Letter Carrier | Massachusetts |
| 65 | Catherine E Dowd | 54 | Wife | — | Massachusetts |
| 66 | Margaret T Sweeney | 65 | Head | — | Massachusetts |
| 67 | John Goshgarian | 44 | Head | Wire Drawer | Armenia |
| 68 | Agnes Goshgarian | 33 | Wife | — | Turkey |
| 69 | Mary Goshgarian | 7 | Daughter | — | Massachusetts |
| 70 | Aram Goshgarian | 3 | Son | — | Massachusetts |
| 71 | Aran N Goshgarian | 3 | Son | — | Massachusetts |
| 72 | Ida S Quarn | 65 | Head | — | Sweden |
| 73 | John Quarn | 66 | Husband | Carpenter | Sweden |
| 74 | John P Lundstrom | 56 | Head | Fireman | Sweden |
| 75 | Edla M Lundstrom | 48 | Wife | — | Sweden |
| 76 | George B Lundstrom | 25 | Son | Machine Laborer | Massachusetts |
| 77 | Helga M Lundstrom | 14 | Daughter | — | Massachusetts |
| 78 | Ernest F Johnson | 50 | Head | Machinist | Sweden |
| 79 | Julia A Johnson THIS PERSON | 41 | Wife | — | Sweden |
| 80 | Ernest Johnson | 18 | Son | Meat Clerk | Massachusetts |
| 81 | Gustaf F Johnson | 15 | Son | — | Massachusetts |
| 82 | Annie H Johnson | 11 | Daughter | — | Massachusetts |
| 83 | James Donald | 49 | Head | Painter | Scotland |
| 84 | Isabella Donald | 48 | Wife | — | Scotland |
| 85 | Albert F Donald | 19 | Son | Garage Man | Massachusetts |
| 86 | David Hamilton | 31 | Head | Meat Cutter | Scotland |
| 87 | Elizabeth Hamilton | 36 | Wife | Waitress | Scotland |
| 88 | Alexander Hamilton | 5 | Son | — | Scotland |
| 89 | Willard F Quarn | 35 | Head | Machinist | Massachusetts |
| 90 | Esther M Quarn | 34 | Wife | — | Massachusetts |
| 91 | Howard W Quarn | 14 | Son | — | Massachusetts |
| 92 | Violet F Quarn | 12 | Daughter | — | Massachusetts |
| 93 | Alice M Quarn | 9 | Daughter | — | Massachusetts |
| 94 | John F Quarn | 8 | Son | — | Massachusetts |
| 95 | Agnes E Hjelmstrom | 41 | Head | Housework | Sweden |
| 96 | Olive E Hjelmstrom | 8 | Daughter | — | Massachusetts |
| 97 | Edna L Hjelmstrom | 4 | Daughter | — | Massachusetts |
| 98 | Harry R Swanberg | 32 | Head | Estimator | Massachusetts |
| 99 | Olga S Swanberg | 32 | Wife | — | Massachusetts |
| 100 | H Randolph Swanberg | 6 | 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)