JK
John Kern — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this John Kern across the 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 8-person household.
Age 18
b. ~1912
Male
Son
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Kern |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | Kansas |
| Additional Details | |
| Occupation | Clerk |
| Industry | Auto Salesroom |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Clerk |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1912 |
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 |
|---|---|---|---|---|
| Christian Loberg | Other | — | 74 | ~1856 |
| Lois Kern | Daughter | — | 11 | ~1919 |
| Mary Kern | Daughter | — | 2 | ~1928 |
| Robert Kern | Son | — | 14 | ~1916 |
| Wilhelmina Loberg | Other | — | 44 | ~1886 |
| John Kern | Son | — | 18 | ~1912 |
| Mabel Kern | Other | — | 37 | ~1893 |
| Earl Kern | Head | — | 46 | ~1884 |
Census Appearances
1930
Wayne, Michigan
Son, age 18
Wayne, Michigan · implied b. ~1912 — 8 household members
| Surname | Kern |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | Kansas |
| Occupation | Clerk |
| Industry | Auto Salesroom |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 30
Wayne-County, Michigan · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirn |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit city |
| 1935 Residence (County) | Wayne |
| Occupation | General Office Work |
| Industry | Auto Factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1300 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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
Son · 1930 · age 18 · b. ~1912 · Michigan
★ You are viewing this record
Sibling
Lois Kern
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kern
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Kern
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:michigancensus00reel1053:0890)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Augusta Jobusch | 45 | Wife-H | Helper | Germany |
| 52 | Irwin Passage | 39 | Head | Proprietor | Michigan |
| 53 | Olive S. Passage | 36 | Wife-H | Asst Mgr | West Virginia |
| 54 | — | None | — | — | — |
| 55 | Jack A. Miner | 27 | Head | Officer | Pennsylvania |
| 56 | Elizabeth Miner | 28 | Wife-H | None | Michigan |
| 57 | Dolores M. Miner | 4 | Daughter | None | Michigan |
| 58 | Arthur Dawson | 27 | Head | Salesman | New York |
| 59 | George H. Dawson | 24 | Brother | Asst Mgr | New York |
| 60 | Annie Dawson | 53 | Mother-H | None | Canada-English |
| 61 | William Gree | 43 | Head | Butcher | Michigan |
| 62 | Bertha Gree | 43 | Wife-H | None | Michigan |
| 63 | Winifred B. Gree | 17 | Daughter | Bookkeeper | Michigan |
| 64 | William Jr. Gree | 13 | Son | None | Michigan |
| 65 | Marvin A. Gree | 11 | Son | None | Michigan |
| 66 | Stanton L. Gree | 9 | Son | None | Michigan |
| 67 | Edwin C. Gree | 8 | Son | None | Michigan |
| 68 | Marguerite Gree | 2 | Daughter | None | Michigan |
| 69 | Constant Roosevelt | 39 | Cousin | Carpenter | South America |
| 70 | — | 38 | Head | Ticket Seller | Michigan |
| 71 | Christine C. | 39 | Wife-H | None | Michigan |
| 72 | Frederick J. Doyer | 38 | Head | Contractor | Michigan |
| 73 | Leona D. Doyer | 41 | Wife-H | None | Minnesota |
| 74 | Robert D. Doyer | 5 | Son | None | Michigan |
| 75 | Gustav A. Dennert | 82 | Father-in-law | Retired | Germany |
| 76 | Earl Kern | 46 | Head | Salesman | North Dakota |
| 77 | Mabel M. Kern | 37 | Wife-H | Nurse | Kansas |
| 78 | John H. Kern THIS PERSON | 18 | Son | Clerk | Michigan |
| 79 | Robert C. Kern | 14 | Son | None | Michigan |
| 80 | Lois M. Kern | 11 | Daughter | None | Michigan |
| 81 | Mary E. Kern | 2 | Daughter | None | Michigan |
| 82 | Christian Loberg | 74 | Mother-in-law | None | Canada-English |
| 83 | Wilhelmina Loberg | 44 | Sister-in-law | Bookkeeper | Michigan |
| 84 | Howard P. Merrill | 30 | Head | Salesman | Michigan |
| 85 | Katherine L. Merrill | 26 | Wife-H | None | Kentucky |
| 86 | Barbara J. Merrill | 5 | Daughter | None | Michigan |
| 87 | Doris E. Merrill | 2 | Daughter | None | Michigan |
| 88 | Morgan B. Smith | 49 | Head | Heating & Ventilating | New York |
| 89 | Ina M. Smith | 45 | Wife-H | None | New York |
| 90 | James M. Jr. Smith | 20 | Son | None | New York |
| 91 | Hugh Lewis | 49 | Head | Painter | Scotland |
| 92 | Ann Lewis | 49 | Wife-H | None | Scotland |
| 93 | Isabelle D. Lewis | 21 | Daughter | Stenographer | Scotland |
| 94 | Marjory Lewis | 16 | Daughter | None | Canada-English |
| 95 | Jean Ritchie | 21 | Roomer | Clerk | Scotland |
| 96 | Ethel Ritchie | 19 | Roomer | Sales Clerk | Scotland |
| 97 | Gilbert M. Carnell | 38 | Head | Real Estate | Newfoundland |
| 98 | Ola F. Carnell | 42 | Wife-H | None | Michigan |
| 99 | Neil W. Carnell | 8 | Son | None | Canada-English |
| 100 | — | None | — | — | — |
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)