JK
John Kern — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Macomb, Michigan
Our Model Tree links this John Kern across the 1930 and 1940 US Censuses in Macomb, Michigan (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 8-person household.
Age 45
b. ~1885
Male
Head
Born: Michigan
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Macomb, Michigan |
| Surname | Kern |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 21 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Farmer |
| Industry | Truck Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Farmer |
| Township / Ward | Warren Township |
| Est. Birth Year | ~1885 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Walter Kern | Son | — | 1 | ~1929 |
| John Kern | Son | — | 14 | ~1916 |
| Elizabeth Kern | Other | — | 43 | ~1887 |
| George Kern | Son | — | 7 | ~1923 |
| John Kern | Head | — | 45 | ~1885 |
| Frank Kern | Son | — | 13 | ~1917 |
| Helen Kern | Daughter | — | 9 | ~1921 |
| Elizabeth Kern | Daughter | — | 11 | ~1919 |
Census Appearances
1930
Macomb, Michigan
Head, age 45
Macomb, Michigan · implied b. ~1885 — 8 household members
| Surname | Kern |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 21 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | Truck Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Macomb-County, Michigan
Other, age 57
Macomb-County, Michigan · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Karn |
| Given Name | John |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Michigan |
| 1935 Residence (City) | Warren Township |
| 1935 Residence (County) | Macomb |
| Occupation | Farmer |
| Industry | Farmer |
| Class of Worker | OA |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| 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 John Kern across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kern
Head · 1930 · age 45 · b. ~1885 · Michigan
★ 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 — Macomb, Michigan
Open full size
1930 US Federal Census — Macomb, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel1009:0814)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Gaylon J. Harrison | 10 | Son | — | Indiana |
| 52 | Hugh D. Harrison | 7 | Son | — | Indiana |
| 53 | Martha E. Harrison | 2 | Daughter | — | Michigan |
| 54 | Charles A. Marshal | 52 | Head | Salesman | Ohio |
| 55 | Eva N. Marshal | 44 | Wife-H | — | Ohio |
| 56 | Braton L. Marshal | 43 | Brother | Salesman | Ohio |
| 57 | Dolphis O. Mink | 31 | Head | Machine Operator | Alabama |
| 58 | Floral L. Mink | 19 | Wife-H | — | Ohio |
| 59 | Raymond L. Mink | 2 | Son | — | Michigan |
| 60 | Gollie Mayhew | 28 | Head | Tool & Die Maker | Arkansas |
| 61 | Troy Mayhew | 32 | Wife-H | — | Arkansas |
| 62 | Wanda G. Mayhew | 5 | Daughter | — | Arkansas |
| 63 | Fred J. Yarrey | 20 | Brother-in-law | Machine Operator | Arkansas |
| 64 | Fred W. Lueckenhoff | 32 | Head | Inspector | Missouri |
| 65 | Minnie S. Lueckenhoff | 30 | Wife-H | — | Missouri |
| 66 | Doris C. Lueckenhoff | 4 | Daughter | — | Missouri |
| 67 | David Break | 58 | Head | Tool Checker | Canada-English |
| 68 | Rhoda M. Break | 61 | Wife-H | — | England |
| 69 | Clifford W. Break | 29 | Son | Machine Operator | Canada-English |
| 70 | Joseph Bowman | 22 | Head | Weaver | Canada-English |
| 71 | Mildred H. Bowman | 20 | Wife-H | — | Pennsylvania |
| 72 | Mark C. Roore | 32 | Head | Tool Setter | Ohio |
| 73 | Bessie M. Roore | 23 | Wife-H | — | Michigan |
| 74 | Marrion L. Roore | 1 | Daughter | — | Michigan |
| 75 | Sarah A. Bissel | 57 | Servant | Servant | Canada-English |
| 76 | Harry E. Barr | 41 | Head | Operator | Michigan |
| 77 | Armandine J. Barr | 36 | Wife-H | — | Canada-French |
| 78 | Laura E. Barr | 17 | Daughter | — | Canada-French |
| 79 | Harry E. Barr | 15 | Son | — | Michigan |
| 80 | Armandine Barr | 14 | Daughter | — | Michigan |
| 81 | Francis L. Barr | 11 | Son | — | Michigan |
| 82 | Virginia E. Barr | 4 | Daughter | — | Michigan |
| 83 | Alma M. Barr | 1 | Daughter | — | Michigan |
| 84 | Frank Muylaert | 50 | Head | Farmer | Belgium |
| 85 | Dock Lisle | 39 | Head | Farmer | Kentucky |
| 86 | America Lisle | 26 | Wife-H | — | Kentucky |
| 87 | Constance Lisle | 4 | Daughter | — | Michigan |
| 88 | George L. Walker | 25 | Head | Farmer | Michigan |
| 89 | John A. Kern THIS PERSON | 45 | Head | Farmer | Michigan |
| 90 | Elizabeth A. Kern | 43 | Wife-H | — | Michigan |
| 91 | John A. Jr. Kern | 14 | Son | — | Michigan |
| 92 | Frank S. Kern | 13 | Son | — | Michigan |
| 93 | Elizabeth A. Kern | 11 | Daughter | — | Michigan |
| 94 | Helen R. Kern | 9 | Daughter | — | Michigan |
| 95 | George P. Kern | 7 | Son | — | Michigan |
| 96 | Walter N. Kern | 1 | Son | — | Michigan |
| 97 | Albert Wolgast | 57 | Head | Farmer | Ohio |
| 98 | Ida Wolgast | 47 | Wife-H | — | Michigan |
| 99 | Edwin Wolgast | 25 | Son | Farm Laborer | Ohio |
| 100 | Lewis Wolgast | 23 | Son | Farm Laborer | Ohio |
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)