JB
John Berg — 1930 US Census Record
Model Tree available1930 United States Federal Census · Alpena, Michigan
Our Model Tree links this John Berg across the 1920, 1930 and 1940 US Censuses in Alpena, Michigan (XGBoost, ~Confirmed), with identified parents John & Ida — first a son (b.~1909), then head of a 7-person household.
Age 21
b. ~1909
Male
Son
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alpena, Michigan |
| Surname | Berg |
| Given Name | John A. |
| 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 | Chemist |
| Industry | Cement Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Chemist |
| Township / Ward | Alpena City |
| Est. Birth Year | ~1909 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ida Berg | Spouse | — | 46 | ~1884 |
| Geneva Berg | Daughter | — | 23 | ~1907 |
| John Berg | Son | — | 21 | ~1909 |
| John Berg | Head | — | 57 | ~1873 |
| Ruby Schuck | Other | — | 14 | ~1916 |
| Chester Berg | Son | — | 11 | ~1919 |
| Jean Berg | Daughter | — | 17 | ~1913 |
Census Appearances
1920
Alpena, Michigan
Son, age 11
Alpena, Michigan · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Berg |
| Given Name | John Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Alpena, Michigan
Son, age 21
Alpena, Michigan · implied b. ~1909 — 7 household members
| Surname | Berg |
| Given Name | John A. |
| 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 | Chemist |
| Industry | Cement Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Alpena-County, Michigan
Head, age 31
Alpena-County, Michigan · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Borg |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Alpena |
| 1935 Residence (County) | Alpena |
| Occupation | Chemist |
| Industry | Cement Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1680 |
| Highest Grade | H 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 Berg across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Berg (~0.92 confidence) and mother Ida Berg (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Berg
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Ida Berg
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Berg
Son · 1930 · age 21 · b. ~1909 · Michigan
★ You are viewing this record
Sibling
Chester Berg
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geneva Berg
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Berg
Sibling · 1930 · age 17
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 — Alpena, Michigan
Open full size
1930 US Federal Census — Alpena, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel973:0674)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Chuskey | 45 | Head | Driver | Michigan |
| 2 | Olive Chuskey | 43 | wife | None | Michigan |
| 3 | John F. Berg | 57 | Head | Proprietor | Michigan |
| 4 | Ida R. Berg | 46 | wife | None | Michigan |
| 5 | Geneva Berg | 23 | daughter | Stenographer | Michigan |
| 6 | John A. Berg THIS PERSON | 21 | son | Chemist | Michigan |
| 7 | Jean Berg | 17 | daughter | None | Michigan |
| 8 | Chester Berg | 11 | son | None | Michigan |
| 9 | Ruby Schuck | 14 | lodger | None | Michigan |
| 10 | Ernest La Cross | 38 | Head | Janitor | Michigan |
| 11 | Bertha La Cross | 35 | wife | None | Michigan |
| 12 | Rhea La Cross | 13 | daughter | None | Michigan |
| 13 | Albert La Cross | 11 | son | None | Michigan |
| 14 | Charles La Cross | 10 | son | None | Michigan |
| 15 | Lillian La Cross | 9 | daughter | None | Michigan |
| 16 | Edmund La Cross | 7 | son | None | Michigan |
| 17 | Thomas La Cross | 4 | son | None | Michigan |
| 18 | John La Cross | 74 | father | None | Canada |
| 19 | Margaret Nicholas | 48 | Head | Proprietor | Canada-Eng |
| 20 | Harold Nicholas | 22 | son | Clerk | Michigan |
| 21 | Anna Nicholas | 16 | daughter | None | Michigan |
| 22 | Phillip Cohen | 33 | lodger | Confectioner | Pennsylvania |
| 23 | Harry Cohen | 31 | lodger | Salesman | Pennsylvania |
| 24 | Harold Hess | 20 | lodger | Salesman | Michigan |
| 25 | Robert Richards | 22 | lodger | Bookkeeper | Michigan |
| 26 | Frank H. Ludwig | 25 | Head | Laborer | Michigan |
| 27 | Mary Ludwig | 46 | mother | None | Michigan |
| 28 | Ely J. Webster | 42 | Head | Carpenter | Michigan |
| 29 | Celia A. Webster | 36 | wife | None | Indiana |
| 30 | Irene M. Webster | 16 | daughter | None | Michigan |
| 31 | Lovell L. Webster | 14 | son | None | Michigan |
| 32 | Howard A. Webster | 6 | son | None | Michigan |
| 33 | John O. Webster | 3 | son | None | Michigan |
| 34 | Lois M. Webster | 1 | daughter | None | Michigan |
| 35 | Catherine Stewart | 67 | Head | None | Canada |
| 36 | Arith M. Stewart | 29 | daughter | Operator | Michigan |
| 37 | Theodore Anderson | 35 | Head | Machinist | Michigan |
| 38 | Vera Anderson | 31 | wife | None | Michigan |
| 39 | Theodore Jr. Anderson | 5 | son | None | Michigan |
| 40 | Glen Thomas | 40 | Head | Machinist | Indiana |
| 41 | Lou Thomas | 42 | wife | None | Illinois |
| 42 | Cecil Knight | 21 | step son | Laborer | Illinois |
| 43 | Margaret Wilson | 55 | Head | None | Ireland |
| 44 | Woodrow Wilson | 16 | son | None | Michigan |
| 45 | Wallace Wilson | 14 | son | None | Michigan |
| 46 | Leo A. Bedard | 26 | Head | Carpenter | Michigan |
| 47 | May Bedard | 24 | wife | None | Michigan |
| 48 | Ruth Bedard | 2 | daughter | None | Michigan |
| 49 | Donald Bedard | 1 | son | None | Michigan |
| 50 | Stanley Ronkela | 42 | Head | None | Poland |
Pedigree Summary
John + 3 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)