MK
Mary Kearney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Mary Kearney across the 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Kearney |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1919 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Hannah Kearney | Spouse | — | 45 | ~1895 |
| Mary Kearney | Daughter | — | 21 | ~1919 |
| Philip Kearney | Son | — | 19 | ~1921 |
| John Kearney | Son | — | 17 | ~1923 |
| James Kearney | Son | — | 7 | ~1933 |
| Thomas Kearney | Son | — | 13 | ~1927 |
| John Kearney | Head | — | 56 | ~1884 |
Census Appearances
1930
San Francisco, …
Daughter, age 11
San Francisco, California · implied b. ~1919 — 47 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kearney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Daughter, age 21
San-Francisco-County, California · implied b. ~1919 — 7 household members
| Surname | Kearney |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Income (1939) | 0 |
| Highest Grade | C 5 |
| 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 Mary Kearney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kearney
Daughter · 1940 · age 21 · b. ~1919 · California
★ You are viewing this record
Sibling
Thomas Kearney
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kearney
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Kearney
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Kearney
Sibling · 1940 · 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
1940 US Federal Census — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00312-00287)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Zlatumich | 3 | Grandson | — | California |
| 42 | Eugene Zlatumich | 1 | Grandson | — | California |
| 43 | Julia Mullen | 72 | Mother-in-law | — | Ireland (Eire) |
| 44 | Selmer Haugen | 34 | Head | Manufacturer | Iowa |
| 45 | Helen Haugen | 34 | Wife | — | Colorado |
| 46 | Lois Haugen | 10 | Daughter | — | California |
| 47 | Carol Lee Haugen | 4 | Daughter | — | California |
| 48 | Frank Daniels | 61 | Head | Painter | Ohio |
| 49 | Ottilie Daniels | 38 | Wife | — | Illinois |
| 50 | William E Daniels | 13 | Son | — | Illinois |
| 51 | Frank E Daniels | 12 | Son | — | Illinois |
| 52 | Marie Daniels | 10 | Daughter | — | Illinois |
| 53 | Treasa Ann Daniels | 6 | Daughter | — | Washington |
| 54 | Anton Lux | 72 | Father-in-law | — | Germany |
| 55 | Edna Knipschild | 50 | Head | — | Minnesota |
| 56 | Bernice Knipschild | 21 | Daughter | Sales Lady | California |
| 57 | William Thielmeyer | 45 | Head | Marine Engineer | California |
| 58 | Elizabeth Thielmeyer | 43 | Wife | — | California |
| 59 | Barbara Thielmeyer | 20 | Daughter | — | California |
| 60 | John F Kearney | 56 | Head | Fire Chief | Ireland (Eire) |
| 61 | Hannah Kearney | 45 | Wife | — | California |
| 62 | Mary A. Kearney THIS PERSON | 21 | Daughter | — | California |
| 63 | Philip J. Kearney | 19 | Son | — | California |
| 64 | John F. Kearney | 17 | Son | — | California |
| 65 | Thomas P. Kearney | 13 | Son | — | California |
| 66 | James Kearney | 7 | Son | — | California |
| 67 | Joseph J. Cruise | 45 | Head | Mill Owner | California |
| 68 | Helen K Cruise | 46 | Wife | — | California |
| 69 | Mary H. Cruise | 18 | Daughter | — | California |
| 70 | Frances M. Cruise | 17 | Daughter | — | California |
| 71 | Theodore H. Lewis | 30 | Head | Inspector | California |
| 72 | Gertrude Lewis | 30 | Wife | — | California |
| 73 | Lucy Mae Lewis | 68 | Mother | — | California |
| 74 | Georgina Lewis | 34 | Sister | Stenographer | California |
| 75 | Timothy Dunlevy | 30 | Head | Audit Clerk | California |
| 76 | Alma Dunlevy | 29 | Wife | — | California |
| 77 | Martin Hynes | 40 | Head | Salesman | New York |
| 78 | Gertrude Hynes | 47 | Wife | — | California |
| 79 | Shirley Hynes | 13 | Daughter | — | California |
| 80 | Marilyn Hynes | 12 | Daughter | — | California |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)