MJ
Mildred Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mildred Johnson across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents David & Charles — first a daughter (b.~1898), then head of a 6-person household.
Age 32
b. ~1898
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Johnson |
| Given Name | Mildred S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Clerk |
| Industry | Telephone Bureau |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Newton City |
| Est. Birth Year | ~1898 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Mildred Johnson | Daughter | — | 32 | ~1898 |
| Helen Johnson | Daughter | — | 23 | ~1907 |
| Thelma Johnson | Daughter | — | 27 | ~1903 |
| Dorothy Johnson | Daughter | — | 21 | ~1909 |
| David Johnson | Head | — | 62 | ~1868 |
| Amanda Johnson | Spouse | — | 61 | ~1869 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 12
Middlesex, Massachusetts · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 21
Middlesex, Massachusetts · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mildred L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 32
Middlesex, Massachusetts · implied b. ~1898 — 6 household members
| Surname | Johnson |
| Given Name | Mildred S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Telephone Bureau |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| 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 Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father David Johnson (~0.92 confidence) and father Charles Johnson (~0.92 confidence) and father Maurice Johnson (~0.92 confidence) and mother Amanda Johnson (~0.92 confidence) and mother Elvira Johnson (~0.92 confidence) and mother Gerda Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Charles Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Maurice Johnson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Amanda Johnson
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Elvira Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Gerda Johnson
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Johnson
Daughter · 1930 · age 32 · b. ~1898 · Massachusetts
★ You are viewing this record
Sibling
Dorothy Johnson
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Johnson
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Johnson
Sibling · 1930 · age 23
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:massachusettscensus00reel927:0144)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harriet J. Haskell | 87 | Head | None | Massachusetts |
| 52 | Marion R. Haskell | 55 | Daughter | None | Massachusetts |
| 53 | Edith Haskell | 51 | Daughter | None | Massachusetts |
| 54 | Margaret Mcfadden | 45 | Servant | Servant | Canada English |
| 55 | Eleanor V. Hesse | 62 | Servant | Servant | Canada English |
| 56 | Henry H. Kendall | 75 | Head | Architect | Massachusetts |
| 57 | Annie B. Kendall | 64 | Wife | None | Massachusetts |
| 58 | Horace S. Kendall | 40 | Son | Accountant | Massachusetts |
| 59 | Josephine E. Butler | 52 | Servant | Servant | Irish Free State |
| 60 | Karl M. Bowman | 41 | Head | Physician | Kansas |
| 61 | Eliza S. Bowman | 39 | Wife | None | New York |
| 62 | Richard J. Bowman | 12 | Son | None | New York |
| 63 | Thomas E. Bowman | 11 | Son | None | New York |
| 64 | Murdock S. Bowman | 9 | Son | None | New York |
| 65 | Walter M. Bowman | 4 | Son | None | Massachusetts |
| 66 | Lillian M. Landers | 31 | Servant | Servant | Massachusetts |
| 67 | George L. West | 62 | Head | Physician | Maine |
| 68 | Worthing L. West | 29 | Son | Production | Massachusetts |
| 69 | Jeannette C. West | 20 | Daughter in law | None | Pennsylvania |
| 70 | Mary L. West | 60 | Sister | None | Maine |
| 71 | Margaret J. Edwards | 35 | Servant | Servant | Massachusetts |
| 72 | Albert L. Harwood | 53 | Head | Lawyer | Massachusetts |
| 73 | George H. Harwood | 52 | Wife | None | Massachusetts |
| 74 | Charles N. Arbuckle | 51 | Head | Clergyman | New Jersey |
| 75 | Ruth Arbuckle | 44 | Wife | None | Ohio |
| 76 | J. Harold Woods | 41 | Head | Surveyor | Massachusetts |
| 77 | Matilda V. Woods | 45 | Wife | None | Canada English |
| 78 | Paul S. Woods | 15 | Son | None | Massachusetts |
| 79 | Virginia B. Woods | 13 | Daughter | None | Massachusetts |
| 80 | Harold Woods | 8 | Son | None | Massachusetts |
| 81 | Constance S. Woods | 3 | Daughter | None | Massachusetts |
| 82 | Julia B. Campbell | 68 | Mother in law | None | Canada English |
| 83 | Eben W. Davis | 49 | Head | Employment Manager | Massachusetts |
| 84 | Gertrude J. Davis | 44 | Wife | None | Massachusetts |
| 85 | Annie G. O'Brien | 62 | Mother in law | None | Irish Free State |
| 86 | Virginia L. Davis | 18 | Daughter | None | Massachusetts |
| 87 | Eben W. Davis | 15 | Son | None | Massachusetts |
| 88 | Frank W. Tadler | 61 | Head | Operator | Maine |
| 89 | Cora E. Tadler | 61 | Wife | None | Massachusetts |
| 90 | Frank C. Tadler | 30 | Son | Salesman | Colorado |
| 91 | Roberta G. Tadler | 28 | Daughter in law | None | Canada English |
| 92 | Alfred Pearson | 70 | Head | Designer | Sweden |
| 93 | Mary J. Pearson | 64 | Wife | None | New York |
| 94 | Bessie J. Pearson | 30 | Daughter | Secretary | Massachusetts |
| 95 | David G. Johnson | 62 | Head | Carpenter | Sweden |
| 96 | Amanda Johnson | 61 | Wife | None | Sweden |
| 97 | Mildred S. Johnson THIS PERSON | 32 | Daughter | Clerk | Massachusetts |
| 98 | Thelma E. Johnson | 27 | Daughter | Clerk | Massachusetts |
| 99 | Helen L. Johnson | 23 | Daughter | None | Massachusetts |
| 100 | Dorothy E. Johnson | 21 | Daughter | None | Massachusetts |
Pedigree Summary
Mildred + 3 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)