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William Reilly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this William Reilly across the 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Reilly |
| Given Name | William G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| Additional Details | |
| Highest Grade | No 8 |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1926 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Kathleen Reilly | Daughter | — | 9 | ~1931 |
| Bernard Reilly | Head | — | 55 | ~1885 |
| Canice Reilly | Daughter | — | 3 | ~1937 |
| Jane Reilly | Daughter | — | 10 | ~1930 |
| William Reilly | Son | — | 14 | ~1926 |
| Myles Reilly | Son | — | 12 | ~1928 |
| John Reilly | Son | — | 6 | ~1934 |
| Maureen Reilly | Daughter | — | 7 | ~1933 |
| Felix Reilly | Son | — | 13 | ~1927 |
| Jane Reilly | Spouse | — | 46 | ~1894 |
Census Appearances
1930
San Francisco, …
Other, age 3
San Francisco, California · implied b. ~1927 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reilly |
| Given Name | William |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 14
San-Francisco-County, California · implied b. ~1926 — 10 household members
| Surname | Reilly |
| Given Name | William G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| Highest Grade | No 8 |
| 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 William Reilly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Reilly
Son · 1940 · age 14 · b. ~1926 · California
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Sibling
Kathleen Reilly
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Canice Reilly
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maureen Reilly
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Reilly
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Felix Reilly
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myles Reilly
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Reilly
Sibling · 1940 · age 6
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
39 people indexed on this census page (nara:1940:m-t0627-00320-00096)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Chiyoko M Yoshida | 17 | Daughter | — | California |
| 42 | Georgiana M Morrison | 64 | Head | — | Minnesota |
| 43 | Markel L Morrison | 44 | Son | Musician | Minnesota |
| 44 | Howard J Wilson | 29 | Head | Poultry Clerk | Canada-English |
| 45 | Katherine Wilson | 24 | Wife | — | California |
| 46 | Lena De Voll | 65 | Head | Cook | Indiana |
| 47 | Ella Conaty | 57 | Lodger | Seamstress | California |
| 48 | August J Hagar | 27 | Head | Pressman | California |
| 49 | Bernadette M Hagar | 25 | Wife | — | California |
| 50 | August J Jr Hagar | 4 | Son | — | California |
| 51 | Minnie Elliott | 84 | Head | — | California |
| 52 | Harold R Elliott | 43 | Son | Mechanic | California |
| 53 | Catherine Elliott | 42 | Daughter-in-law | — | Nevada |
| 54 | John E Pope | 79 | Head | — | Canada-English |
| 55 | Ellen A Dunlap | 43 | Niece | Payroll Auditor | Nebraska |
| 56 | Russel J Long | 28 | Head | Teamster | Indiana |
| 57 | Laura L Long | 32 | Wife | — | Virginia |
| 58 | Donald R Long | 8 | Son | — | California |
| 59 | Doris J La Marr | 24 | Sister-in-law | — | Virginia |
| 60 | John H La Marr | 66 | Father-in-law | Fountain Clerk | North Carolina |
| 61 | Lula M Parsons | 29 | Head | Repair Man | Mississippi |
| 62 | Esther J Parsons | 5 | Daughter | — | California |
| 63 | Walter M Parsons | 1 | Son | — | California |
| 64 | Margaret L Holmes | 23 | Sister | Ch Cashier | Mississippi |
| 65 | Bernard Reilly | 55 | Head | Superintendent | Ireland |
| 66 | Jane F Reilly | 46 | Wife | — | Eire |
| 67 | William G Reilly THIS PERSON | 14 | Son | — | California |
| 68 | Felix Reilly | 13 | Son | — | California |
| 69 | Myles Reilly | 12 | Son | — | California |
| 70 | Jane Reilly | 10 | Daughter | — | California |
| 71 | Kathleen Reilly | 9 | Daughter | — | California |
| 72 | Maureen Reilly | 7 | Daughter | — | California |
| 73 | John Reilly | 6 | Son | — | California |
| 74 | Canice Reilly | 3 | Daughter | — | California |
| 75 | Anna Hoeh | 43 | Head | — | Germany |
| 76 | William Hoeh | 22 | Son | — | California |
| 77 | Gilbert J Geagan | 26 | Head | Shipping Clerk | Nevada |
| 78 | Elizabeth M Geagan | 25 | Wife | — | California |
| 79 | Gary J Geagan | 1 | Son | — | 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)