HJ
Herbert Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Herbert Johnson across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1908), then head of a 6-person household.
Age 22
b. ~1908
Male
Son
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Johnson |
| Given Name | Herbert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 19 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Occupation | Selling Asst |
| Industry | Automobile Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Selling Asst |
| Township / Ward | Waltham City |
| Est. Birth Year | ~1908 |
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 Herbert | Age | Birth yr |
|---|---|---|---|---|
| Bertha Johnson | Daughter | — | 25 | ~1905 |
| Hazel Johnson | Daughter | — | 19 | ~1911 |
| John Johnson | Head | — | 63 | ~1867 |
| Charlotte Johnson | Other | — | 19 | ~1911 |
| Joan Johnson | Other | — | 3 | ~1927 |
| Herbert Johnson | Son | — | 22 | ~1908 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 2
Middlesex, Massachusetts · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Herbert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Herbert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 22
Middlesex, Massachusetts · implied b. ~1908 — 6 household members
| Surname | Johnson |
| Given Name | Herbert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 19 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Selling Asst |
| Industry | Automobile Shop |
| 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 Herbert Johnson across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father John Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and mother Annie Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Annie Johnson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Herbert Johnson
Son · 1930 · age 22 · b. ~1908 · Massachusetts
★ You are viewing this record
Sibling
Hazel Johnson
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Johnson
Sibling · 1930 · age 25
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:massachusettscensus00reel930:0713)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George E. Howard | 22 | Head | Washer | Maine |
| 2 | Vesta R. Howard | 21 | Wife | Stenographer | Maine |
| 3 | Agustaf P. Polson | 37 | R | Office Clerk | Sweden |
| 4 | Hellen R. Polson | 35 | Wife | Book Keeper | Massachusetts |
| 5 | Warren H. Hanson | 23 | Head | Stock Bond Clerk | Massachusetts |
| 6 | Dorothy E. Hanson | 23 | Wife | — | Rhode Island |
| 7 | Wurlin E. Hanson | 5 | Son | — | Massachusetts |
| 8 | James Haley | 73 | Head | — | Irish Free State |
| 9 | Helen Haley | 38 | Daughter | Secretary | Massachusetts |
| 10 | Ann B. Haley | 25 | Daughter | Teacher | Massachusetts |
| 11 | Esther E. Haley | 25 | Daughter | Teacher | Massachusetts |
| 12 | Joseph M. Rooney | 67 | Head | Stock Clerk | Irish Free State |
| 13 | William S. Rooney | 53 | Brother | Executive Officer | Irish Free State |
| 14 | Nora C. Rooney | 55 | Sister | Secretary | Irish Free State |
| 15 | Mary T. Rooney | 69 | Sister | — | Irish Free State |
| 16 | Nora Flynn | 58 | Cousin | Cook | Irish Free State |
| 17 | Benjamin H. Welch | 37 | Head | Agent | Massachusetts |
| 18 | Dora F. Welch | 32 | Wife | — | Canada English |
| 19 | Carolyn M. Welch | 6 | Daughter | — | Massachusetts |
| 20 | Donald B. Welch | 2 | Son | — | Massachusetts |
| 21 | Thomas F. Powers | 33 | Head | Traffic Manager | Massachusetts |
| 22 | Anabelle S. Powers | 33 | Wife | Secretary | Massachusetts |
| 23 | Joseph M. Mohler | 43 | Head | Asst Business Mgr | New York |
| 24 | Marie V. Mohler | 41 | Wife | — | Massachusetts |
| 25 | Arthur M. Mohler | 20 | Son | Pressroom Foreman | New York |
| 26 | Viola M. Mohler | 18 | Daughter | Billing Clerk | New York |
| 27 | William J. Healey | 49 | Head | Diamond Setting | Massachusetts |
| 28 | Elizabeth S. Healey | 48 | Wife | — | Pennsylvania |
| 29 | John F. Healey | 13 | Son | — | Massachusetts |
| 30 | Margaret R. Healey | 18 | Niece | Asst. Shipping Room | New York |
| 31 | Mary G. Macomber | 69 | Head | — | Massachusetts |
| 32 | John E. Johnson | 63 | Head | Setter-Accessory | Norway |
| 33 | Herbert W. Johnson THIS PERSON | 22 | Son | Selling Asst | Massachusetts |
| 34 | Charlotte W. Johnson | 19 | Daughter-in-law | — | Massachusetts |
| 35 | Joan B. Johnson | 3 | G-daughter | — | Massachusetts |
| 36 | Hazel E. Johnson | 19 | Daughter | — | Massachusetts |
| 37 | Bertha C. Johnson | 25 | Daughter | Office Clerk | Massachusetts |
| 38 | Howard L. Gordell | 28 | Head | Machinist | Massachusetts |
| 39 | Marion E. Gordell | 25 | Wife | — | Rhode Island |
| 40 | Howard L. Gordell | 5 | Son | — | Massachusetts |
| 41 | Serena A. Towle | 84 | Head | — | Canada English |
| 42 | Mary F. Morgan | 54 | Head | Registered Nurse | Canada English |
| 43 | Clara A. Bolton | 50 | Sister | Housekeeper | Canada English |
| 44 | Lily Bolton | 38 | Sister | Office Mgr | Massachusetts |
| 45 | Mary Bolton | 74 | Mother | — | Canada English |
| 46 | William M. Bartlett | 38 | Roomer | Engineer | Massachusetts |
| 47 | Fred C. Patterson | 46 | Head | Watch-Maker | Massachusetts |
| 48 | Ella F. Patterson | 46 | Wife | — | Massachusetts |
| 49 | Fred E. Patterson | 22 | Son | Laundry-Work | Massachusetts |
| 50 | Sarah A. Patterson | 74 | Mother | — | New Hampshire |
Pedigree Summary
Herbert + 2 siblings
Gen 1 · 3 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)