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Harry Adams — 1920 US Census Record
Model Tree available1920 United States Federal Census · St Clair, Michigan
Our Model Tree links this Harry Adams across the 1900, 1910 and 1920 US Censuses in St Clair, Michigan (XGBoost, ~Confirmed), with identified parents Hattie & Wallace — first a son (b.~1899), then head of a 4-person household.
Age 21
b. ~1899
Male
Son
Born: Michigan
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | St Clair, Michigan |
| Surname | Adams |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | Surveyor |
| Industry | Land |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Surveyor |
| Township / Ward | Port Huron 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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Hattie Adams | Spouse | — | 63 | ~1857 |
| Nellie Slu | Other | — | 28 | ~1892 |
| Harry Adams | Son | — | 21 | ~1899 |
| Wallace Adams | Head | — | 59 | ~1861 |
Census Appearances
1900
St Clair, …
Son, age 2
St Clair, Michigan · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Birth Month | Dec |
| Birth Year | 1898 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1910
St Clair, …
Son, age 11
St Clair, Michigan · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
St Clair, …
Son, age 21
St Clair, Michigan · implied b. ~1899 — 4 household members
| Surname | Adams |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada |
| Mother's Birthplace | Michigan |
| Occupation | Surveyor |
| Industry | Land |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Adams across 3 US Census years (1900, 1910 and 1920) in St Clair, Michigan, using XGBoost record linkage. Identified parents: mother Hattie Adams (~0.92 confidence) and father Wallace Adams (~0.92 confidence) and mother Hattie Adams (~0.92 confidence) and father Wallace Adams (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Hattie Adams
b. ~1857
Source mother
● Household
· direct · ~0.92
Father
Wallace Adams
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Hattie Adams
b. ~1866
Source mother
● Household
· direct · ~0.92
Father
Wallace Adams
b. ~1869
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harry Adams
Son · 1920 · age 21 · b. ~1899 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — St Clair, Michigan
Open full size
1920 US Federal Census — St Clair, Michigan
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu795unit:0854)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Josiah R. Dr Nunn | 70 | Head | Medicinal | England |
| 2 | Mary Nunn | 55 | Wife | — | Canada |
| 3 | Fred R Marvin | 46 | Head | Journalism | Michigan |
| 4 | Lucetta M Marvin | 38 | Wife | — | Canada |
| 5 | Mary Kipp | 62 | Mother-in-law | — | Canada |
| 6 | Bruce Mccormick | 30 | Roomer | Plumber | Michigan |
| 7 | Helen G Mcintyre | 75 | Head | — | Canada |
| 8 | Frederick M Muir | 55 | Son-in-law | Merchant | Canada |
| 9 | Isabelle A Muir | 46 | Daughter | — | Michigan |
| 10 | Elizabeth Vogelei | 60 | Head | Keeper | Canada |
| 11 | Ida Grant | 51 | Servant | Servant | Ohio |
| 12 | Sarah Slaght | 39 | Servant | Servant | Canada |
| 13 | Percy Buck | 24 | Roomer | Asst. Supt. | Maine |
| 14 | William Dr Morris | 46 | Head | Medicinal | Canada |
| 15 | Mary Morris | 42 | Wife | — | Michigan |
| 16 | Irma D Morris | 18 | Daughter | Student | Michigan |
| 17 | Margueretta Morris | 15 | Daughter | Student | Michigan |
| 18 | Allie B Chapin | 49 | Roomer | Teacher | Michigan |
| 19 | Esther Vickery | 21 | Roomer | Gleaner | Michigan |
| 20 | Fredrick A Fish | 71 | Head | Collector | Michigan |
| 21 | Mary E Fish | 71 | Wife | — | New York |
| 22 | Christopher Vogelei | 51 | Head | Salesman | Michigan |
| 23 | Nellie A Vogelei | 38 | Wife | — | Michigan |
| 24 | Hilda Vogelei | 19 | Daughter | Teacher | Michigan |
| 25 | Helen Vogelei | 17 | Daughter | Bookkeeper | Michigan |
| 26 | Alvin Vogelei | 13 | Son | Student | Michigan |
| 27 | Vera Vogelei | 8 | Daughter | Student | Michigan |
| 28 | Irene Vogelei | 5 | Daughter | — | Michigan |
| 29 | Wallace Adams | 59 | Head | Carpenter | Canada |
| 30 | Hattie Adams | 63 | Wife | — | Michigan |
| 31 | Harry Adams THIS PERSON | 21 | Son | Surveyor | Michigan |
| 32 | Nellie Slu | 28 | Roomer | Saleslady | Michigan |
| 33 | Russell A Young | 22 | Head | Machinist | Michigan |
| 34 | Edith M Young | 21 | Wife | — | Michigan |
| 35 | Joseph Makelone | 48 | Roomer | Recruiting Office | Bohemia |
| 36 | Philip Mcdade | 65 | Head | Tombstone | Michigan |
| 37 | Mary Mcdade | 46 | Wife | — | Canada |
| 38 | Philip H. Mcdade | 16 | Grandson | Student | Michigan |
| 39 | Bertha Johnston | 34 | Roomer | Saleslady | Michigan |
| 40 | Francis S Partridge | 45 | Head | Secretary | New York |
| 41 | Winifred Partridge | 38 | Sister | — | Michigan |
| 42 | Susan J. French | 30 | Servant | Servant | Michigan |
| 43 | Albert Robbins | 22 | Head | Barber | Michigan |
| 44 | Dorothy Robbins | 21 | Wife | — | Michigan |
| 45 | Emery Henneke | 18 | Head | Laborer | Michigan |
| 46 | Effie J Henneke | 18 | Wife | — | Michigan |
| 47 | Florence Treffry | 30 | Head | Keeper | Canada |
| 48 | Helen Treffry | 5 | Daughter | — | Idaho |
| 49 | Harold Treffry | 0 | Son | — | Idaho |
| 50 | Jane Lockhart | 69 | Head | Practical Nurse | Canada |
Pedigree Summary
Harry
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)