JK
John Kenny — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this John Kenny across the 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 8-person household.
Age 18
b. ~1912
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Kenny |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | England |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| 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 |
|---|---|---|---|---|
| John Kenny | Son | — | 18 | ~1912 |
| Mary Kenny | Spouse | — | 50 | ~1880 |
| Thomas Kenny | Son | — | 20 | ~1910 |
| William Kenny | Son | — | 24 | ~1906 |
| Lawrence Kenny | Son | — | 28 | ~1902 |
| James Kenny | Son | — | 31 | ~1899 |
| James Kenny | Head | — | 55 | ~1875 |
| Marie Kenny | Daughter | — | 17 | ~1913 |
Census Appearances
1930
San Francisco, …
Son, age 18
San Francisco, California · implied b. ~1912 — 8 household members
| Surname | Kenny |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Other, age 28
San-Francisco-County, California · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kenney |
| Given Name | Jordan |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | GW |
| Hours Worked | 39 |
| Income (1939) | 1800 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Kenny across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kenny
Son · 1930 · age 18 · b. ~1912 · California
★ You are viewing this record
Sibling
Marie Kenny
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Kenny
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Kenny
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Kenny
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kenny
Sibling · 1930 · age 31
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 — San Francisco, California
Open full size
1930 US Federal Census — San Francisco, California
Page Contents
49 people indexed on this census page (ia:1930:californiacensus00reel202:0244)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles A Johnson | 62 | Head | Truck Driver | Sweden |
| 2 | Lester Johnson | 54 | Head | Teacher | Tennessee |
| 3 | Lulu Johnson | 52 | Wife | — | Tennessee |
| 4 | Lester Johnson | 26 | Son | — | California |
| 5 | Lillian Johnson | 24 | Daughter | — | California |
| 6 | Lucille Johnson | 22 | Daughter | Teacher | Oklahoma |
| 7 | Hilliard Judge | 44 | Head | Clerk | Alabama |
| 8 | Elizabeth Judge | 45 | Wife | — | Pennsylvania |
| 9 | Hilliard Jr Judge | 3 | Son | — | California |
| 11 | William Ulman | 63 | Head | Cashier | California |
| 12 | Margie Ulman | 52 | Wife | — | California |
| 13 | George Ulman | 21 | Son | Bookkeeper | California |
| 14 | Florence Ulman | 24 | Daughter | Secretary | California |
| 15 | Lois Ulman | 22 | Daughter | Teacher | California |
| 16 | Louis Friedman | 24 | Head | Jeweler | New Jersey |
| 17 | Annette Friedman | 24 | Wife | — | New York |
| 18 | Jack Wolfe | 4 | Step-son | — | California |
| 19 | Donald Friedman | 1 | Son | — | California |
| 20 | Mary Leach | 70 | Head | — | Ireland |
| 21 | Mary Leach | 30 | Daughter | Stenographer | Ireland |
| 22 | James Kenny | 55 | Head | Salesman | Connecticut |
| 23 | Mary E Kenny | 50 | Wife | — | England |
| 24 | James Kenny | 31 | Son | — | California |
| 25 | Lawrence Kenny | 28 | Son | Laborer | California |
| 26 | William Kenny | 24 | Son | Warehouseman | California |
| 27 | Thomas Kenny | 20 | Son | — | California |
| 28 | John Kenny THIS PERSON | 18 | Son | — | California |
| 29 | Marie Kenny | 17 | Daughter | — | California |
| 30 | P. Cullen-Kelly | 39 | Head | Barber | Michigan |
| 31 | Evelyn Cullen-Kelly | 38 | Wife | — | Washington |
| 32 | Frances Cullen-Kelly | 14 | Daughter | — | Oregon |
| 33 | Frieda Cullen-Kelly | 13 | Daughter | — | Washington |
| 34 | Wanda Cullen-Kelly | 7 | Daughter | — | California |
| 35 | Wesley Cullen-Kelly | 7 | Son | — | California |
| 36 | Evelyn Cullen-Kelly | 5 | Daughter | — | California |
| 37 | Tommy Cullen-Kelly | 4 | Son | — | California |
| 38 | Margaret Cullen-Kelly | 1 | Daughter | — | California |
| 39 | Eugene Cullen-Kelly | 0 | Son | — | California |
| 40 | Frank Kenny | 51 | Head | Clerk | Spain |
| 41 | Wife-H Kenny | 54 | Wife | — | Germany |
| 42 | Louis Kenny | 26 | Son | Trucker | California |
| 43 | Grace Kenny | 15 | Daughter | — | Spain |
| 44 | Fred Bachman | 41 | Head | Manager | Germany |
| 45 | Wife-H Bachman | 30 | Wife | — | Germany |
| 46 | Elsie Bachman | 10 | Son | — | New York |
| 47 | Alphonse Munkel | 35 | Head | Porter | California |
| 48 | Marguerite Munkel | 13 | Daughter | — | California |
| 49 | Georgina Munkel | 12 | Daughter | — | California |
| 50 | John Munkel | 10 | Son | — | California |
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)