FK
Frank Kowalski — 1920 US Census Record
Model Tree available1920 United States Federal Census · Presque Isle, Michigan
Our Model Tree links this Frank Kowalski across the 1900, 1910 and 1920 US Censuses in Presque Isle, Michigan (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1899), then head of a 10-person household.
Age 21
b. ~1899
Male
Son
Born: Michigan
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Presque Isle, Michigan |
| Surname | Kowalski |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Laborer |
| Township / Ward | Pulawski Township |
| 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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Helena Kowalski | Daughter | — | 2 | ~1918 |
| Alloina Kowalski | Daughter | — | 4 | ~1916 |
| Frank Kowalski | Son | — | 21 | ~1899 |
| Paulina Kowalski | Daughter | — | 10 | ~1910 |
| John Kowalski | Son | — | 14 | ~1906 |
| Zebelia Kowalski | Daughter | — | 16 | ~1904 |
| Agnes Kowalski | Daughter | — | 12 | ~1908 |
| John Kowalski | Head | — | 45 | ~1875 |
| Laura Kowalski | Spouse | — | 42 | ~1878 |
| Silvester Kowalski | Son | — | 17 | ~1903 |
Census Appearances
1900
Presque Isle, …
Son, age 2
Presque Isle, Michigan · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kowalski |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Birth Month | Sep |
| Birth Year | 1898 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1910
Presque Isle, …
Son, age 11
Presque Isle, Michigan · implied b. ~1899 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kowalski |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Presque Isle, …
Son, age 21
Presque Isle, Michigan · implied b. ~1899 — 10 household members
| Surname | Kowalski |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Laborer |
| Industry | Home Farm |
| 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 Frank Kowalski across 3 US Census years (1900, 1910 and 1920) in Presque Isle, Michigan, using XGBoost record linkage. Identified parents: father John Kowalski (~0.92 confidence) and father John Kowalski (~0.92 confidence) and father John Kowalski (~0.92 confidence) and mother Alma Kowalski (~0.92 confidence) and mother Anna Kowalski (~0.92 confidence) and mother Laura Kowalski (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Kowalski
b. ~1874
Source father
● Household
· direct · ~0.92
Father
John Kowalski
b. ~1874
Source father
● Household
· direct · ~0.92
Father
John Kowalski
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Alma Kowalski
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Anna Kowalski
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Laura Kowalski
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Kowalski
Son · 1920 · age 21 · b. ~1899 · Michigan
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Sibling
Zebelia Kowalski
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alloina Kowalski
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Silvester Kowalski
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paulina Kowalski
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Kowalski
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helena Kowalski
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Kowalski
Sibling · 1920 · age 12
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 — Presque Isle, Michigan
Open full size
1920 US Federal Census — Presque Isle, Michigan
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu791unit:1033)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Emilia Darga | 5 | Daughter | — | Michigan |
| 52 | Marie Darga | 3 | Daughter | — | Michigan |
| 53 | Louis Darga | 1 | Son | — | Michigan |
| 54 | John Kowalski | 45 | Head | Farmer | Michigan |
| 55 | Laura Kowalski | 42 | Wife | — | Michigan |
| 56 | Frank Kowalski THIS PERSON | 21 | Son | Laborer | Michigan |
| 57 | Silvester Kowalski | 17 | Son | Laborer | Michigan |
| 58 | Zebelia Kowalski | 16 | Daughter | Laborer | Michigan |
| 59 | John Kowalski | 14 | Son | — | Michigan |
| 60 | Agnes Kowalski | 12 | Daughter | — | Michigan |
| 61 | Paulina Kowalski | 10 | Daughter | — | Michigan |
| 62 | Alloina Kowalski | 4 | Daughter | — | Michigan |
| 63 | Helena Kowalski | 2 | Daughter | — | Michigan |
| 64 | Leo Kamyszek | 45 | Head | Farmer | Poland Ger |
| 65 | Frances Kamyszek | 42 | Wife | — | Poland Ger |
| 66 | Victor Kamyszek | 17 | Son | Laborer | Michigan |
| 67 | Louis Kamyszek | 15 | Son | Laborer | Michigan |
| 68 | Joseph Kamyszek | 14 | Son | Laborer | Michigan |
| 69 | Lucille Kamyszek | 12 | Daughter | Laborer | Michigan |
| 70 | Marie Kamyszek | 12 | Daughter | — | Michigan |
| 71 | Bernice Kamyszek | 10 | Daughter | — | Michigan |
| 72 | Rose Kamyszek | 8 | Daughter | — | Michigan |
| 73 | Celia Kamyszek | 6 | Daughter | — | Michigan |
| 74 | Clara Kamyszek | 5 | Daughter | — | Michigan |
| 75 | Jessie Kamyszek | 4 | Daughter | — | Michigan |
| 76 | Frank Kamyszek | 1 | Son | — | Michigan |
| 77 | August Kline | 40 | Head | Farmer | Michigan |
| 78 | Monica Kline | 33 | Wife | — | Michigan |
| 79 | Lizzie Kline | 15 | Daughter | — | Michigan |
| 80 | Joseph Kline | 12 | Son | — | Michigan |
| 81 | Frank Kline | 10 | Son | — | Michigan |
| 82 | Elizabeth Kline | 8 | Daughter | — | Michigan |
| 83 | Leo Kline | 5 | Son | — | Michigan |
| 84 | Anna Kline | 3 | Daughter | — | Michigan |
| 85 | Marie Kline | 1 | Daughter | — | Michigan |
| 86 | Anton Haska | 57 | Head | Farmer | West Prussia |
| 87 | Anna Haska | 40 | Wife | — | West Prussia |
| 88 | Martha Haska | 17 | Daughter | Laborer | Michigan |
| 89 | Alex Haska | 13 | Son | — | Michigan |
| 90 | Emilia Haska | 8 | Daughter | — | Michigan |
| 91 | Sylvester Haska | 6 | Son | — | Michigan |
| 92 | Clara Haska | 1 | Daughter | — | Michigan |
| 93 | John Hess | 39 | Head | Farmer | Michigan |
| 94 | Anna Hess | 37 | Wife | — | Michigan |
| 95 | Joseph Hess | 13 | Son | — | Michigan |
| 96 | Rose Hess | 11 | Daughter | — | Michigan |
| 97 | Marie Hess | 9 | Daughter | — | Michigan |
| 98 | August Hess | 7 | Son | — | Michigan |
| 99 | Anthony Hess | 4 | Son | — | Michigan |
| 100 | Julia Hess | 0 | Daughter | — | Michigan |
Pedigree Summary
Frank + 7 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 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)