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Mary Buckley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Mary Buckley across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 4-person household.
Age 64
b. ~1876
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Buckley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | San Francisco City |
| 1935 Residence (County) | San Francisco |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1876 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Buckley | Daughter | — | 28 | ~1912 |
| Patrick Buckley | Head | — | 68 | ~1872 |
| J Buckley | Son | — | 25 | ~1915 |
| Mary Buckley | Spouse | — | 64 | ~1876 |
Census Appearances
1920
San Francisco, …
Spouse, age 43
San Francisco, California · implied b. ~1877 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buckley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1898 |
| Birthplace (normalized) | ireland |
1930
San Francisco, …
Other, age 53
San Francisco, California · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buckley |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1894 |
| Age at First Marriage | 32 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
San-Francisco-County, California
Spouse, age 64
San-Francisco-County, California · implied b. ~1876 — 4 household members
| Surname | Buckley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | San Francisco City |
| 1935 Residence (County) | San Francisco |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| 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 Buckley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Buckley
Spouse · 1940 · age 64 · b. ~1876 · California
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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
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1940 US Federal Census — San-Francisco-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00312-00787)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joanne Walls | 5 | Grand Daughter | — | California |
| 2 | Louise Mendoza | 67 | Head | — | California |
| 3 | Vera Rodriguez | 58 | Sister | — | California |
| 4 | William Vallans | 56 | Head | Plasterer | England |
| 5 | Jane Vallans | 55 | Wife | — | England |
| 6 | William Vallans | 23 | Son | Apprentice Carpenter | California |
| 7 | Harold Vallans | 20 | Son | Apprentice Carpenter | California |
| 8 | Jennie Vallans | 13 | Daughter | — | California |
| 9 | Willard Senians | 37 | Head | Service Station Instructor | Illinois |
| 10 | Janet Senians | 35 | Wife | — | Idaho |
| 11 | Melvin Senians | 11 | Son | — | California |
| 12 | Raymond Kyle | 20 | Brother in law | Service Station Attendant | California |
| 13 | Rodney Lund | 28 | Head | Teamster | California |
| 14 | Margaret Lund | 28 | Wife | — | Scotland |
| 15 | Hugh Quinn | 45 | Head | Fireman | California |
| 16 | Alma Quinn | 35 | Wife | — | California |
| 17 | Lorrain Quinn | 14 | Daughter | — | California |
| 18 | Robert Quinn | 12 | Son | — | California |
| 19 | Lois Quinn | 6 | Daughter | — | California |
| 20 | Mary Mac Donagh | 62 | Head | — | Ireland |
| 21 | Imelda Mac Donagh | 27 | Daughter | Stenographer | Ireland |
| 22 | Ethel Tiernan | 29 | Daughter | Stenographer | Ireland |
| 23 | Patrick Buckley | 68 | Head | Granite Cutter | Ireland |
| 24 | Mary Buckley THIS PERSON | 64 | Wife | — | Ireland |
| 25 | Helen Buckley | 28 | Daughter | Registered Nurse | California |
| 26 | J. Patrick Buckley | 25 | Son | Conductor | California |
| 27 | Edgar Getz | 64 | Head | Real Estate Broker | California |
| 28 | Jessie Getz | 58 | Wife | — | Nebraska |
| 29 | Norman Woodside | 45 | Head | Golf Maintenance | Massachusetts |
| 30 | Agnes Woodside | 42 | Wife | — | California |
| 31 | Donald Woodside | 17 | Son | — | California |
| 32 | Betty Woodside | 12 | Daughter | — | California |
| 33 | George Leahy | 29 | Head | Policeman | California |
| 34 | Alice Leahy | 27 | Wife | — | California |
| 35 | Daniel Leahy | 3 | Son | — | California |
| 36 | Thomas Leahy | 0 | Son | — | California |
| 37 | Thomas Shields | 54 | Head | Laborer | Ireland |
| 38 | Mary Shields | 57 | Wife | — | Ireland |
| 39 | A. Mary Shields | 22 | Daughter | — | California |
| 40 | Hugh Mcelearney | 54 | Head | Stevedore | 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)