HJ
Helen Johnston — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Helen Johnston across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1899), then head of a 6-person household.
Age 21
b. ~1899
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Johnston |
| Given Name | Helen A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Stenographer |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1899 |
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 1920 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Gladys Johnston | Daughter | — | 18 | ~1902 |
| Annie Johnston | Spouse | — | 47 | ~1873 |
| Warren Johnston | Son | — | 20 | ~1900 |
| Ethel Johnston | Daughter | — | 11 | ~1909 |
| Helen Johnston | Daughter | — | 21 | ~1899 |
| Charles Johnston | Head | — | 45 | ~1875 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 12
Middlesex, Massachusetts · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Helen L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 21
Middlesex, Massachusetts · implied b. ~1899 — 6 household members
| Surname | Johnston |
| Given Name | Helen A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Helen Johnston across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Johnston
Daughter · 1920 · age 21 · b. ~1899 · Massachusetts
★ You are viewing this record
Sibling
Ethel Johnston
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Johnston
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Johnston
Sibling · 1920 · 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
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu718unit:0845)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jean B Lassary | 76 | Father-in-law | — | France |
| 2 | Eugenie Lassary | 59 | Mother-in-law | — | France |
| 3 | Andrew F Ryan | 46 | Head | Clerk | Massachusetts |
| 4 | Mary D Ryan | 38 | Wife | — | Massachusetts |
| 5 | William H Ryan | 17 | Son | — | Massachusetts |
| 6 | Madeline D Ryan | 15 | Daughter | — | Massachusetts |
| 7 | Irene E Ryan | 14 | Daughter | — | Massachusetts |
| 8 | George M Ryan | 12 | Son | — | Massachusetts |
| 9 | Helen J Ryan | 5 | Daughter | — | Massachusetts |
| 10 | Samuel H Barker | 79 | Head | Carpenter | Canada |
| 11 | Susan Barker | 75 | Wife | — | Canada |
| 12 | Luvia G Smith | 41 | Daughter | — | Massachusetts |
| 13 | Franklin W Grist | 17 | Grandson | — | Massachusetts |
| 14 | Hugh A Jones | 58 | Head | Machinist | Massachusetts |
| 15 | Alma Jones | 57 | Wife | — | Massachusetts |
| 16 | Hugh T Jones | 30 | Son | Operator | Massachusetts |
| 17 | Alice C Jones | 28 | Daughter | Stenographer | Massachusetts |
| 18 | William E Jones | 25 | Son | Operator | Massachusetts |
| 19 | Elizabeth D Jones | 17 | Daughter | Saleslady | Massachusetts |
| 20 | Eugene Driscoll | 24 | Boarder | Stenographer | Massachusetts |
| 21 | Margaret Driscoll | 30 | Boarder | Stenographer | Massachusetts |
| 22 | Mary E Paul | 57 | Head | — | Azores |
| 23 | Louisa E Perry | 52 | Sister | — | Azores |
| 24 | Samuel S Ladd | 56 | Head | Engineer | Connecticut |
| 25 | Lulalia W Ladd | 48 | Wife | — | Massachusetts |
| 26 | Helen S Ladd | 28 | Daughter | Bookkeeper | Rhode Island |
| 27 | Raymond S Ladd | 24 | Son | Salesman | Massachusetts |
| 28 | Grace L Ladd | 19 | Daughter | Clerk | Massachusetts |
| 29 | James Colgan | 67 | Head | Manufacturer | Canada |
| 30 | Agnes Colgan | 50 | Wife | — | Canada |
| 31 | Agnes A Colgan | 30 | Daughter | Stenographer | Massachusetts |
| 32 | Charles J Colgan | 29 | Son | — | Massachusetts |
| 33 | Irene M Colgan | 24 | Daughter | Clerk | Massachusetts |
| 34 | Amos England | 55 | Head | Carpenter | Canada |
| 35 | Jennie England | 58 | Wife | — | Canada |
| 36 | John England | 33 | Son | — | Massachusetts |
| 37 | William England | 32 | Son | Painter | Massachusetts |
| 38 | Robert E England | 17 | Son | Clerk | Pennsylvania |
| 39 | Charles S Johnston | 45 | Head | Policeman | Massachusetts |
| 40 | Annie A Johnston | 47 | Wife | — | Maine |
| 41 | Helen A Johnston THIS PERSON | 21 | Daughter | Stenographer | Massachusetts |
| 42 | Warren S Johnston | 20 | Son | — | Massachusetts |
| 43 | Gladys G Johnston | 18 | Daughter | — | Massachusetts |
| 44 | Ethel M Johnston | 11 | Daughter | — | Massachusetts |
| 45 | Sumner Lane | 25 | Head | Chauffeur | Massachusetts |
| 46 | Lena M Lane | 25 | Wife | — | Canada |
| 47 | Cynthia Lane | 2 | Daughter | — | Massachusetts |
| 48 | Eunice Lane | 1 | Daughter | — | Massachusetts |
| 49 | Raymond J Geary | 33 | Head | Manager | Massachusetts |
| 50 | Margaret M Geary | 21 | Wife | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)