HJ
Harry Johnston — 1930 US Census Record
Model Tree available1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this Harry Johnston across the 1920, 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed), with identified parents Fred & Frederick — first a son (b.~1907), then head of a 5-person household.
Age 23
b. ~1907
Male
Son
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Johnston |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Canada |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Mechanic |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1907 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Isabelle Johnston | Daughter | — | 14 | ~1916 |
| Irene Thomas | Other | — | 23 | ~1907 |
| Harry Johnston | Son | — | 23 | ~1907 |
| Fred Johnston | Head | — | 47 | ~1883 |
| Bertha Johnston | Spouse | — | 49 | ~1881 |
Census Appearances
1920
Wayne, Michigan
Son, age 13
Wayne, Michigan · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnstone |
| Given Name | Harry W |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Canada |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 23
Wayne, Michigan · implied b. ~1907 — 5 household members
| Surname | Johnston |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Canada |
| Occupation | Mechanic |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Head, age 33
Wayne-County, Michigan · implied b. ~1907 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnstone |
| Given Name | Harry W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Occupation | Tool Maker |
| Industry | Tool and Machine Company |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 2300 |
| Highest Grade | H-2 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Harry Johnston across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Johnston (~0.92 confidence) and father Frederick Johnstone (~0.92 confidence) and mother Bertha Johnstone (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Johnston
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Frederick Johnstone
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Bertha Johnstone
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Johnston
Son · 1930 · age 23 · b. ~1907 · Michigan
★ You are viewing this record
Sibling
Isabelle Johnston
Sibling · 1930 · age 14
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 — Wayne, Michigan
Open full size
1930 US Federal Census — Wayne, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel1049:0697)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph P. Kelly | 51 | Head | Foreman | Canada |
| 2 | Clara K. Kelly | 50 | Wife | — | Canada |
| 3 | Rita G. Kelly | 4 | Daughter | — | Michigan |
| 4 | George Bradley | 55 | Lodger | Salesman | Michigan |
| 5 | Gertrude Wildfong | 50 | Sister | — | Canada |
| 6 | Frank Zawada | 58 | Head | Watchman | Germany |
| 7 | Victoria Zawada | 51 | Wife | — | Germany |
| 8 | Joseph Zawada | 23 | Son | Clerk | Michigan |
| 9 | Theresa Zawada | 26 | Daughter | Clerk | Michigan |
| 10 | Anna Zawada | 23 | Daughter | Stenographer | Michigan |
| 11 | Kathryn Zawada | 20 | Daughter | Typist | Michigan |
| 12 | Helen Zawada | 17 | Daughter | — | Michigan |
| 13 | Raymond Zawada | 14 | Son | — | Michigan |
| 14 | Walter Shaffer | 55 | Head | Laborer | Pennsylvania |
| 15 | Stella Shaffer | 48 | Wife | — | Pennsylvania |
| 16 | Glenn Shaffer | 23 | Son | Tappet Filler | Pennsylvania |
| 17 | Douglas Shaffer | 22 | Daughter | — | Pennsylvania |
| 18 | Jacob Seitz | 61 | Head | Maintenance | Germany |
| 19 | Mary Seitz | 56 | Wife | — | Germany |
| 20 | Jacob Jr. Seitz | 39 | Son | Laborer | Michigan |
| 21 | Stephen Seitz | 38 | Son | — | Michigan |
| 22 | Margaret Smith | 69 | Head | — | Canada |
| 23 | Marjory Smith | 33 | Daughter | Teacher | Michigan |
| 24 | Florence Smith | 29 | Daughter | Teacher | Michigan |
| 25 | Bessie Brown | 75 | Sister | — | Michigan |
| 26 | Alfred Myres | 63 | Head | Merchant | New York |
| 27 | Nellie Myres | 60 | Wife | — | Michigan |
| 28 | Edward Myres | 37 | Son | — | Michigan |
| 29 | Esther Myres | 17 | Daughter | — | Michigan |
| 30 | Alma Niemi | 19 | Servant | Servant | Michigan |
| 31 | Fred Johnston | 47 | Head | Toolmaker | Michigan |
| 32 | Bertha Johnston | 49 | Wife | — | Canada |
| 33 | Harry Johnston THIS PERSON | 23 | Son | Mechanic | Michigan |
| 34 | Isabelle Johnston | 14 | Daughter | — | Michigan |
| 35 | Irene Thomas | 23 | Lodger | Waitress | Michigan |
| 36 | Arthur Knapke | 47 | Head | Salesman | New York |
| 37 | Lilla R. Knapke | 46 | Wife | — | Ohio |
| 38 | Edwin J. Knapke | 19 | Son | — | Ohio |
| 39 | Joseph Richard | 41 | Head | Decorator | Canada |
| 40 | Olive Richard | 42 | Wife | — | Canada |
| 41 | Lewis Richard | 18 | Son | — | Canada |
| 42 | Arthur Richard | 19 | Son | — | Michigan |
| 43 | Rosalie Richard | 9 | Daughter | — | Michigan |
| 44 | Otto Durocher | 40 | Head | Bookkeeper | Canada |
| 45 | Louisa Durocher | 36 | Wife | — | Michigan |
| 46 | Charles Durocher | 9 | Son | — | Michigan |
| 47 | Mary Ann Durocher | 8 | Daughter | — | Michigan |
| 48 | Genevieve Durocher | 7 | Daughter | — | Michigan |
| 49 | Robert Durocher | 5 | Son | — | Michigan |
| 50 | Joan Durocher | 2 | Daughter | — | Michigan |
Pedigree Summary
Harry + 1 sibling
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)