MM
Mary Mckenna — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Mary Mckenna across the 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 7-person household.
Age 60
b. ~1880
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | McKenna |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Naturalization Status | Naturalized |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1880 |
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 |
|---|---|---|---|---|
| Joseph Mckenna | Head | — | 68 | ~1872 |
| Edward Mckenna | Son | — | 23 | ~1917 |
| James Mckenna | Son | — | 27 | ~1913 |
| Leonard Mckenna | Son | — | 25 | ~1915 |
| Joseph Mckenna | Son | — | 32 | ~1908 |
| Richard Mckenna | Son | — | 29 | ~1911 |
| Mary Mckenna | Spouse | — | 60 | ~1880 |
Census Appearances
1930
San Francisco, …
Head, age 50
San Francisco, California · implied b. ~1880
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | McKenna |
| Given Name | Mrs. A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Housekeeper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | No |
| Home Value / Rent | R |
| Radio Set | 20.00 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
San-Francisco-County, California
Spouse, age 60
San-Francisco-County, California · implied b. ~1880 — 7 household members
| Surname | McKenna |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Naturalization Status | Naturalized |
| Industry | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Mckenna across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mckenna
Spouse · 1940 · age 60 · b. ~1880 · California
★ You are viewing this record
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-t0627-00313-00678)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jacqueline Johnson | 42 | Wife | — | California |
| 42 | Carlos Johnson | 17 | Son | — | California |
| 43 | Warren Johnson | 12 | Son | — | California |
| 44 | Earl Johnson | 7 | Son | — | California |
| 45 | Alice B. Wentz | 74 | Mother-in-law | — | Illinois |
| 46 | Charles Dundale | 32 | Head | Grocery Salesman | No. Dakota |
| 47 | Dorothy Dundale | 24 | Wife | Telephone Operator | No. Dakota |
| 48 | Annie Roe | 68 | Mother | — | England |
| 49 | Harry J. Mack | 56 | Head | Messenger | California |
| 50 | Mabel M. Mack | 54 | Wife | — | Missouri |
| 51 | Joy Ann Mack | 19 | Daughter | — | California |
| 52 | Mathilda Haring | 65 | Head | — | Germany |
| 53 | H. D. Niehaus | 64 | Lodger | Gardener | Germany |
| 54 | Charles Bedrosian | 36 | Head | Salesman | California |
| 55 | Harry Bedrosian | 76 | Father | — | Turkey |
| 56 | Iris Bedrosian | 40 | Sister | — | Mass. |
| 57 | Pearl Dornifer | 82 | Sister | — | California |
| 58 | John Dornifer | 65 | Head | — | California |
| 59 | Addie Dornifer | 60 | Wife | — | California |
| 60 | Frank A. Fullan | 38 | Head | Shipping Clerk | California |
| 61 | Andrew Fullan | 64 | Father | — | California |
| 62 | Mary J. Fullan | 64 | Mother | — | Mass. |
| 63 | Dorothy F. Fullan | 29 | Sister | Secretary | California |
| 64 | Kenneth Glover | 38 | Head | Cable Splicer | California |
| 65 | Marjorie Glover | 32 | Wife | — | California |
| 66 | Elfine Glover | 18 | Daughter | — | California |
| 67 | Vera Glover | 16 | Daughter | — | California |
| 68 | Harland Glover | 14 | Son | — | California |
| 69 | Kenneth Glover | 4 | Son | — | California |
| 70 | Edward S. Nolan | 63 | Head | Bartender | California |
| 71 | Adeline Nolan | 54 | Wife | — | California |
| 72 | George Walker | 70 | Head | Attorney | Illinois |
| 73 | Anna Walker | 48 | Wife | Secretary | Missouri |
| 74 | Joseph Mckenna | 68 | Head | Gardener | Ireland |
| 75 | Mary Mckenna THIS PERSON | 60 | Wife | — | Ireland |
| 76 | Joseph Mckenna | 32 | Son | Salesman | California |
| 77 | James Mckenna | 27 | Son | Gardener | California |
| 78 | Richard Mckenna | 29 | Son | Gardener | California |
| 79 | Leonard Mckenna | 25 | Son | New Worker | California |
| 80 | Edward Mckenna | 23 | Son | Grocery Clerk | California |
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)