MJ
Mildred Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this Mildred Johnson across the 1910, 1920 and 1930 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed), with identified parents Charles & Gustaf — first a daughter (b.~1902), then head of a 5-person household.
Age 28
b. ~1902
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Worcester, Massachusetts |
| Surname | Johnson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Printer |
| Industry | Envelope Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Printer |
| Township / Ward | City Of Worcester |
| Est. Birth Year | ~1902 |
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 Mildred | Age | Birth yr |
|---|---|---|---|---|
| Mildred Johnson | Daughter | — | 28 | ~1902 |
| Virginia Johnson | Daughter | — | 11 | ~1919 |
| Elsie Johnson | Daughter | — | 18 | ~1912 |
| Gustaf Johnson | Head | — | 59 | ~1871 |
| Mary Johnson | Spouse | — | 53 | ~1877 |
Census Appearances
1910
Worcester, Massachusetts
Daughter, age 8
Worcester, Massachusetts · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mildred C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Worcester, Massachusetts
Daughter, age 18
Worcester, Massachusetts · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Sorter |
| Industry | Screw Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Daughter, age 28
Worcester, Massachusetts · implied b. ~1902 — 5 household members
| Surname | Johnson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Printer |
| Industry | Envelope 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 Mildred Johnson across 3 US Census years (1910, 1920 and 1930) in Worcester, Massachusetts, using XGBoost record linkage. Identified parents: father Charles Johnson (~0.92 confidence) and father Gustaf Johnson (~0.92 confidence) and father Gustave Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence) and mother Maria Johnson (~0.92 confidence) and mother Hulda Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Johnson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Gustaf Johnson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Gustave Johnson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Maria Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Hulda Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Johnson
Daughter · 1930 · age 28 · b. ~1902 · Massachusetts
★ You are viewing this record
Sibling
Elsie Johnson
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Johnson
Sibling · 1930 · age 11
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
50 people indexed on this census page (ia:1930:massachusettscensus00reel970:0410)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frederick L. Davis | 32 | Head | Merrimith | Massachusetts |
| 2 | Mary R. Davis | 31 | Wife | None | Massachusetts |
| 3 | Frederick L. Davis | 9 | Son | None | Massachusetts |
| 4 | Donald N. Davis | 4 | Son | None | Massachusetts |
| 5 | Daniel J. Hastings | 43 | Head | Springmaker | Massachusetts |
| 6 | Anna Hastings | 43 | Wife | None | New Hampshire |
| 7 | David Hastings | 15 | Son | None | Massachusetts |
| 8 | Gerald Hastings | 14 | Son | None | Massachusetts |
| 9 | Mary Hastings | 12 | Daughter | None | Massachusetts |
| 10 | Anna Hastings | 8 | Daughter | None | Massachusetts |
| 11 | Richard Hastings | 2 | Son | None | Massachusetts |
| 12 | Charles W. Larson | 39 | Head | Foreman | Sweden |
| 13 | Amelia Larson | 38 | Wife | None | Germany |
| 14 | Hilda Larson | 12 | Daughter | None | Massachusetts |
| 15 | Warren Larson | 10 | Son | None | Massachusetts |
| 16 | Edward Larson | 20 | Son | Clerk | Pennsylvania |
| 17 | Mary O'Brien | 62 | Head | None | Irish Free State |
| 18 | Elizabeth O'Brien | 35 | Daughter | None | Massachusetts |
| 19 | Michael O'Brien | 28 | Son | Chauffeur | Massachusetts |
| 20 | John O'Brien | 25 | Son | Milkman | Massachusetts |
| 21 | John J. O'Connor | 37 | Son-in-law | Policeman | Massachusetts |
| 22 | Mary O'Connor | 27 | Daughter | None | Massachusetts |
| 23 | James J. O'Connor | 3 | Grandson | None | Massachusetts |
| 24 | Axel Swift | 59 | Head | None | Sweden |
| 25 | Alice Swift | 40 | Daughter | Proprietor | Massachusetts |
| 26 | Frances Swift | 34 | Daughter | Bookkeeper | Massachusetts |
| 27 | Walter Swift | 32 | Son | Pattern Maker | Massachusetts |
| 28 | Louise Swift | 30 | Daughter | Steno | Massachusetts |
| 29 | John Swift | 28 | Son | Welder | Massachusetts |
| 30 | Charles Church | 57 | Head | Watchman | Massachusetts |
| 31 | William Dunn | 44 | Head | Fireman | New Jersey |
| 32 | Catherine Dunn | 42 | Wife | None | Massachusetts |
| 33 | Joseph Burns | 61 | Uncle | None | Irish Free State |
| 34 | Gustaf Johnson | 59 | Head | Fireman | Sweden |
| 35 | Mary V. Johnson | 53 | Wife | None | Sweden |
| 36 | Mildred Johnson THIS PERSON | 28 | Daughter | Printer | Massachusetts |
| 37 | Elsie Johnson | 18 | Daughter | None | Massachusetts |
| 38 | Virginia Johnson | 11 | Daughter | None | Massachusetts |
| 39 | James P. Weldon | 56 | Head | Clerk | Massachusetts |
| 40 | Mary M. Weldon | 44 | Wife | None | Sweden |
| 41 | George F. Weldon | 25 | Son | Milkman | Massachusetts |
| 42 | Edward Weldon | 18 | Son | Milkman | Massachusetts |
| 43 | Gertrude Weldon | 11 | Daughter | None | Massachusetts |
| 44 | Eleanor M. Weldon | 8 | Daughter | None | Massachusetts |
| 45 | Richard Duggan | 31 | Head | Merrimith | Massachusetts |
| 46 | Nellie Duggan | 36 | Wife | None | Massachusetts |
| 47 | Loretta Duggan | 11 | Daughter | None | Massachusetts |
| 48 | Thomas Duggan | 10 | Son | None | Massachusetts |
| 49 | Charles Duggan | 10 | Son | None | Massachusetts |
| 50 | Mary Duggan | 4 | Daughter | None | Massachusetts |
Pedigree Summary
Mildred + 2 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)