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John Leary — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Solano-County, California
Our Model Tree links this John Leary across the 1930 and 1940 US Censuses in Solano-County, California (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Solano-County, California |
| Surname | Leary |
| Given Name | John G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Vallejo City |
| 1935 Residence (County) | Solano |
| Additional Details | |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Vallejo 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Leary | Son | — | 17 | ~1923 |
| Mary Leary | Spouse | — | 66 | ~1874 |
| Angela Leary | Daughter | — | 26 | ~1914 |
| Elizabeth Leary | Daughter | — | 21 | ~1919 |
| Frances Leary | Daughter | — | 20 | ~1920 |
| Eleanor Leary | Daughter | — | 23 | ~1917 |
| John Leary | Head | — | 69 | ~1871 |
Census Appearances
1930
Solano, California
Son, age 7
Solano, California · implied b. ~1923 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leary |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Canada English |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Solano-County, California
Son, age 17
Solano-County, California · implied b. ~1923 — 7 household members
| Surname | Leary |
| Given Name | John G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Vallejo City |
| 1935 Residence (County) | Solano |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 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 Leary across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Leary
Son · 1940 · age 17 · b. ~1923 · California
★ You are viewing this record
Sibling
Angela Leary
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Leary
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Leary
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Leary
Sibling · 1940 · age 20
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 — Solano-County, California
Open full size
1940 US Federal Census — Solano-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00348-00384)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John A Leary | 69 | Head | — | California |
| 2 | Mary C Leary | 66 | Wife | — | Canada English |
| 3 | Angela C Leary | 26 | Daughter | Bookkeeper | California |
| 4 | Eleanor E Leary | 23 | Daughter | Governess | California |
| 5 | Elizabeth G Leary | 21 | Daughter | Stenographer | California |
| 6 | Frances J Leary | 20 | Daughter | Sales Clerk | California |
| 7 | John G Leary THIS PERSON | 17 | Son | — | California |
| 8 | William M Widen | 54 | Head | Superintendent | California |
| 9 | Janet G Widen | 54 | Wife | — | California |
| 10 | John H Perkins | 34 | Son-in-law | City Councilman | California |
| 11 | Alethea W Perkins | 34 | Daughter | — | California |
| 12 | Betty Lee Perkins | 5 | Granddaughter | — | California |
| 13 | John H Jr Perkins | 3 | Grandson | — | California |
| 14 | Theodore A Clemens | 32 | Head | Electrician | California |
| 15 | Elsie M Clemens | 27 | Wife | Sales Clerk | California |
| 16 | Ida C Marchette | 49 | Head | Office Clerk | California |
| 17 | I Thelma Marchette | 30 | Daughter | Stenographer | California |
| 18 | Caroline Lundberg | 78 | Mother | — | Sweden |
| 19 | John E Campbell | 68 | Head | — | Mississippi |
| 20 | Adelaide R Campbell | 63 | Wife | — | California |
| 21 | Robert L Collins | 53 | Head | Ordnanceman | S. Carolina |
| 22 | Marie C Collins | 41 | Wife | Decorations | California |
| 23 | Ernest L Hicks | 25 | Head | Running Machine | Nevada |
| 24 | Dotty L Hicks | 22 | Wife | Soda Fountain Clerk | Nevada |
| 25 | Robin A Peterson | 49 | Head | Cashier | Michigan |
| 26 | Byron E Mcphee | 40 | Head | Chef | P.E.I. Canada |
| 27 | Pearl Mcphee | 38 | Wife | Waitress | Washington |
| 28 | Gladys Mcphee | 18 | Daughter | — | Oregon |
| 29 | Harry C Nelson | 43 | Head | Sheetmetal | Colorado |
| 30 | Anna O Nelson | 41 | Wife | — | Kansas |
| 31 | Ruth Nelson | 24 | Daughter | Typist | Colorado |
| 32 | Dorothy M Nelson | 20 | Daughter | Cashier | Colorado |
| 33 | Harold V Nelson | 13 | Son | — | California |
| 34 | Speros Lolos | 51 | Head | Window-Cleaner | Greece |
| 35 | Mary F Lolos | 30 | Wife | — | Italy |
| 36 | Kenneth R Dick | 45 | Head | Naval Architect | California |
| 37 | Lily E Dick | 46 | Wife | — | California |
| 38 | Kenneth R Jr Dick | 12 | Son | — | California |
| 39 | Suzanne M Dick | 5 | Daughter | — | California |
| 40 | Selena Green | 17 | Maid | Maid | Mississippi |
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)