JF
John Fischer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mercer, North Dakota
Our Model Tree links this John Fischer across the 1920 and 1930 US Censuses in Mercer, North Dakota (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 10-person household.
Age 51
b. ~1879
Male
Head
Born: Russia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Mercer, North Dakota |
| Surname | Fischer |
| Given Name | John Sr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Russia |
| Age at First Marriage | 21 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Occupation | Farmer |
| Township / Ward | T 145R 90 |
| Est. Birth Year | ~1879 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Olga Fischer | Daughter | — | 18 | ~1912 |
| Rachel Fischer | Daughter | — | 8 | ~1922 |
| Elsie Fischer | Daughter | — | 17 | ~1913 |
| Hulda Fischer | Daughter | — | 15 | ~1915 |
| John Fischer | Head | — | 51 | ~1879 |
| Katherine Fischer | Other | — | 50 | ~1880 |
| Theofield Fischer | Son | — | 12 | ~1918 |
| Walter Fischer | Son | — | 14 | ~1916 |
| William Fischer | Son | — | 21 | ~1909 |
| Richard Fischer | Son | — | 20 | ~1910 |
Census Appearances
1920
Mercer, North …
Head, age 41
Mercer, North Dakota · implied b. ~1879 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fischer |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1902 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Russia |
| Year of Naturalization | 1911 |
| Birthplace (normalized) | russia |
1930
Mercer, North …
Head, age 51
Mercer, North Dakota · implied b. ~1879 — 10 household members
| Surname | Fischer |
| Given Name | John Sr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Russia |
| Age at First Marriage | 21 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 John Fischer across 2 US Census years (1920 and 1930) in Mercer, North Dakota, using XGBoost record linkage.
Show:
This person
Anchor record
John Fischer
Head · 1930 · age 51 · b. ~1879 · North Dakota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Mercer, North Dakota
Open full size
1930 US Federal Census — Mercer, North Dakota
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1738unit:0469)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Gotthelf | 43 | Head | Farmer | South Dakota |
| 2 | Katherine Gotthelf | 38 | Wife-H | None | Russia |
| 3 | Gotthelf Gotthelf | 19 | Son | None | North Dakota |
| 4 | Walter Gotthelf | 17 | Son | Laborer | North Dakota |
| 5 | Hulda Gotthelf | 13 | Daughter | None | North Dakota |
| 6 | Albert Gotthelf | 9 | Son | None | North Dakota |
| 7 | Adolf Gotthelf | 9 | Son | None | North Dakota |
| 8 | Laverna Gotthelf | 3 | Daughter | None | North Dakota |
| 9 | Adam Seidel | 49 | Head | Farmer | Russia |
| 10 | Barbara Seidel | 43 | Wife-H | None | Russia |
| 11 | Emil Seidel | 22 | Son | Laborer | North Dakota |
| 12 | Adam Seidel | 21 | Son | Laborer | North Dakota |
| 13 | Edward Seidel | 20 | Son | Laborer | North Dakota |
| 14 | Ellsie Seidel | 19 | Daughter | None | North Dakota |
| 15 | Rosalie Seidel | 15 | Daughter | None | North Dakota |
| 16 | Alvina Seidel | 13 | Daughter | None | North Dakota |
| 17 | Ester Seidel | 11 | Daughter | None | North Dakota |
| 18 | Elma Seidel | 9 | Daughter | None | North Dakota |
| 19 | Albert Seidel | 7 | Son | None | North Dakota |
| 20 | Elfina Seidel | 5 | Daughter | None | North Dakota |
| 21 | Clara Seidel | 3 | Daughter | None | North Dakota |
| 22 | Jacob Wenz | 42 | Head | Farmer | Russia |
| 23 | Philiphina Wenz | 41 | Wife-H | None | Russia |
| 24 | Amelia Wenz | 20 | Daughter | None | North Dakota |
| 25 | Anthony Wenz | 18 | Son | Laborer | North Dakota |
| 26 | Emil Wenz | 16 | Son | Laborer | North Dakota |
| 27 | Robert Wenz | 14 | Son | Laborer | North Dakota |
| 28 | Ellsie Wenz | 13 | Daughter | None | North Dakota |
| 29 | Theofield Wenz | 10 | Son | None | North Dakota |
| 30 | John Sr. Fischer THIS PERSON | 51 | Head | Farmer | Russia |
| 31 | Katherine Fischer | 50 | Wife-H | None | Russia |
| 32 | William Fischer | 21 | Son | Teacher | North Dakota |
| 33 | Richard R. Fischer | 20 | Son | Laborer | North Dakota |
| 34 | Olga Fischer | 18 | Daughter | None | North Dakota |
| 35 | Elsie Fischer | 17 | Daughter | None | North Dakota |
| 36 | Hulda Fischer | 15 | Daughter | None | North Dakota |
| 37 | Walter Fischer | 14 | Son | None | North Dakota |
| 38 | Theofield Fischer | 12 | Son | None | North Dakota |
| 39 | Rachel Fischer | 8 | Daughter | None | North Dakota |
| 40 | John Jr. Fischer | 24 | Head | Farmer | Russia |
| 41 | Fischer | 21 | Wife-H | None | North Dakota |
| 42 | Oren Peabody | 68 | Head | Farmer | Michigan |
| 43 | Katherine Peabody | 46 | Wife-H | None | Russia |
| 44 | Joan B. Peabody | 2 | Son | None | North Dakota |
| 45 | Olga B. Peabody | 1 | Daughter | None | North Dakota |
| 46 | Ester D. Human | 21 | S.Daughter | None | South Dakota |
| 47 | Leah C. Human | 13 | S.Daughter | None | North Dakota |
| 48 | Norman C. Human | 10 | S.Son | None | North Dakota |
| 49 | Lorine C. Human | 8 | S.Daughter | None | North Dakota |
| 50 | Alice C. Human | 4 | S.Daughter | None | North Dakota |
Related Census Records
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)