JK
John Kuhn — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this John Kuhn across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 11-person household.
Age 13
b. ~1917
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Kuhn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Est. Birth Year | ~1917 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Kuhn | Daughter | — | 11 | ~1919 |
| William Kuhn | Son | — | 15 | ~1915 |
| Mary Kuhn | Spouse | — | 38 | ~1892 |
| Mildred Kuhn | Daughter | — | 9 | ~1921 |
| William Kuhn | Head | — | 41 | ~1889 |
| George Kuhn | Son | — | 17 | ~1913 |
| Margaret Kuhn | Daughter | — | 3 | ~1927 |
| John Kuhn | Son | — | 13 | ~1917 |
| Charles Kuhn | Son | — | 7 | ~1923 |
| Robert Kuhn | Son | — | 5 | ~1925 |
| Helen Kuhn | Daughter | — | 1 | ~1929 |
Census Appearances
1930
Baltimore, Maryland
Son, age 13
Baltimore, Maryland · implied b. ~1917 — 11 household members
| Surname | Kuhn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Other, age 23
Baltimore-City-County, Maryland · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kuhns |
| Given Name | John |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Occupation | Painter |
| Industry | Contractors |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 340 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Kuhn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kuhn
Son · 1930 · age 13 · b. ~1917 · Maryland
★ You are viewing this record
Sibling
William Kuhn
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Kuhn
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Kuhn
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Kuhn
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Kuhn
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Kuhn
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Kuhn
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Kuhn
Sibling · 1930 · age 1
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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus861unit:0635)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Kuhn | 32 | Head | Salesman | Maryland |
| 2 | Helen Kuhn | 28 | Wife | — | Maryland |
| 3 | William Kuhn | 4 | Son | — | Maryland |
| 4 | Amanda Kuhn | 2 | Daughter | — | Maryland |
| 5 | William Kuhn | 34 | Head | Laborer | Maryland |
| 6 | Elizabeth Kuhn | 32 | Wife | — | Maryland |
| 7 | Edward Kuhn | 28 | Head | Laborer | Maryland |
| 8 | Anna Kuhn | 27 | Wife | — | Maryland |
| 9 | Hilda Kuhn | 3 | Daughter | — | Maryland |
| 10 | William Kuhn | 41 | Head | — | Maryland |
| 11 | Mary Kuhn | 38 | Wife | — | Maryland |
| 12 | George Kuhn | 17 | Son | Laborer | Maryland |
| 13 | William Kuhn | 15 | Son | — | Maryland |
| 14 | John Kuhn THIS PERSON | 13 | Son | — | Maryland |
| 15 | Dorothy Kuhn | 11 | Daughter | — | Maryland |
| 16 | Mildred Kuhn | 9 | Daughter | — | Maryland |
| 17 | Charles Kuhn | 7 | Son | — | Maryland |
| 18 | Robert Kuhn | 5 | Son | — | Maryland |
| 19 | Margaret Kuhn | 3 | Daughter | — | Maryland |
| 20 | Helen Kuhn | 1 | Daughter | — | Maryland |
| 21 | Albert Kuhn | 32 | Head | Laborer | Maryland |
| 22 | Mary Kuhn | 30 | Wife | — | Maryland |
| 23 | Albert Kuhn | 8 | Son | — | Maryland |
| 24 | Mary Kuhn | 6 | Daughter | — | Maryland |
| 25 | John Kuhn | 35 | Head | Laborer | Maryland |
| 26 | Anna Kuhn | 32 | Wife | — | Maryland |
| 27 | John Kuhn | 8 | Son | — | Maryland |
| 28 | Anna Kuhn | 6 | Daughter | — | Maryland |
| 29 | William Kuhn | 4 | Son | — | Maryland |
| 30 | George Kuhn | 38 | Head | Laborer | Maryland |
| 31 | Mary Kuhn | 35 | Wife | — | Maryland |
| 32 | George Kuhn | 12 | Son | — | Maryland |
| 33 | Mary Kuhn | 10 | Daughter | — | Maryland |
| 34 | William Kuhn | 8 | Son | — | Maryland |
| 35 | John Kuhn | 6 | Son | — | Maryland |
| 36 | Edward Kuhn | 42 | Head | Laborer | Maryland |
| 37 | Anna Kuhn | 40 | Wife | — | Maryland |
| 38 | Edward Kuhn | 18 | Son | Laborer | Maryland |
| 39 | Anna Kuhn | 16 | Daughter | — | Maryland |
| 40 | William Kuhn | 14 | Son | — | Maryland |
| 41 | John Kuhn | 12 | Son | — | Maryland |
| 42 | George Kuhn | 10 | Son | — | Maryland |
| 43 | Mary Kuhn | 8 | Daughter | — | Maryland |
| 44 | Albert Kuhn | 6 | Son | — | Maryland |
| 45 | Robert Kuhn | 4 | Son | — | Maryland |
| 46 | Helen Kuhn | 2 | Daughter | — | Maryland |
| 47 | Margaret Kuhn | 1 | Daughter | — | Maryland |
| 48 | William Kuhn | 45 | Head | Laborer | Maryland |
| 49 | Mary Kuhn | 42 | Wife | — | Maryland |
| 50 | William Kuhn | 18 | Son | Laborer | Maryland |
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)