MK
Marie Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Mateo-County, California
Our Model Tree links this Marie Kelly across the 1930 and 1940 US Censuses in San-Mateo-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Mateo-County, California |
| Surname | Kelly |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Burlingame City |
| 1935 Residence (County) | San Mateo |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Burlingame City |
| Est. Birth Year | ~1923 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Marie Kelly | Daughter | — | 17 | ~1923 |
| Helen Kelly | Daughter | — | 19 | ~1921 |
| Margaret Brodie | Other | — | 71 | ~1869 |
| Frank Kelly | Head | — | 51 | ~1889 |
| Patricia Kelly | Daughter | — | 13 | ~1927 |
| Margaret Kelly | Spouse | — | 48 | ~1892 |
Census Appearances
1930
San Mateo, …
Daughter, age 6
San Mateo, California · implied b. ~1924 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Marylou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Mateo-County, California
Daughter, age 17
San-Mateo-County, California · implied b. ~1923 — 6 household members
| Surname | Kelly |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Burlingame City |
| 1935 Residence (County) | San Mateo |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 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 Marie Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Kelly
Daughter · 1940 · age 17 · b. ~1923 · California
★ You are viewing this record
Sibling
Helen Kelly
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Kelly
Sibling · 1940 · age 13
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-Mateo-County, California
Open full size
1940 US Federal Census — San-Mateo-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00332-00471)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie Winifred Jones | 39 | Head | Wholesale | South Dakota |
| 2 | Alice Jones | 67 | Mother | — | Wisconsin |
| 3 | Benjamin Gully | 64 | Head | Cutter & Sales | England |
| 4 | Edith Gully | 56 | Wife | — | England |
| 5 | Regina Belman | 63 | Head | — | Hungary |
| 6 | Eleanor Belman | 32 | Daughter | Dramatics | California |
| 7 | Sydney Madden | 26 | Head | Apprentice Plumber | California |
| 8 | Mary Madden | 22 | Wife | Milliner | Arizona |
| 9 | Ralph Nelson | 37 | Head | Dept Manager | Missouri |
| 10 | Ruth Nelson | 33 | Wife | — | Missouri |
| 11 | Nancy Nelson | 12 | Daughter | — | Georgia |
| 12 | Anna Nelson | 81 | Mother | — | Missouri |
| 13 | George Brown | 45 | Head | Hand File Clerk | England |
| 14 | Muriel Brown | 38 | Wife | Auto Electrician | California |
| 15 | Ida Brown | 12 | Daughter | — | California |
| 16 | Howard H. Huxtable | 48 | Head | Accountant | Nebraska |
| 17 | Adel E. Huxtable | 50 | Wife | Art Supervisor | Michigan |
| 18 | Frank Kelly | 51 | Head | Sheet Metal Worker | Canada-Eng |
| 19 | Margaret Kelly | 48 | Wife | Cafeteria Manager | Canada-Eng |
| 20 | Helen Kelly | 19 | Daughter | — | California |
| 21 | Marie Kelly THIS PERSON | 17 | Daughter | — | California |
| 22 | Patricia Kelly | 13 | Daughter | — | California |
| 23 | Margaret Brodie | 71 | Mother-in-law | — | Canada-Eng |
| 24 | Conrad E. Owens | 28 | Head | Special Agent | Utah |
| 25 | Dorothy Owens | 27 | Wife | — | Canada-Eng |
| 26 | Charles Owens | 3 | Daughter | — | Utah |
| 27 | Stephen Doyle | 66 | Head | Salesman | California |
| 28 | Ruth Doyle | 60 | Wife | — | California |
| 29 | Wallace Doyle | 28 | Son | Office Clerk | California |
| 30 | (Here Ends Block 4 And Begins Block 5) | None | — | — | — |
| 31 | Anton Nelson | 61 | Head | Watchmaker | Utah |
| 32 | Lulu Nelson | 54 | Wife | — | California |
| 33 | Alice Shattuck | 22 | Daughter | Alteration | California |
| 34 | Frances J. Shattuck | 3 | Grandson | — | California |
| 35 | Levi Anderson | 41 | Head | Magazine Distributor | Delaware |
| 36 | Grace Anderson | 28 | Wife | — | California |
| 37 | Robert Anderson | 13 | Son | — | California |
| 38 | Frederick Theden | 44 | Head | Private Patrolman | England |
| 39 | Ardis Theden | 32 | Wife | — | Michigan |
| 40 | Frederick Mitchell | 24 | Head | Service Station Operator | 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)