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William Lynch — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this William Lynch across the 1910, 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 6-person household.
Age 53
b. ~1877
Male
Head
Born: California
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Lynch |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 40 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Jury Officer |
| Industry | Expert |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8000 |
| Radio Set | R |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Jury Officer |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1877 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Patricia Lynch | Daughter | — | 6 | ~1924 |
| Dolores Lynch | Daughter | — | 15 | ~1915 |
| William Lynch | Head | — | 53 | ~1877 |
| Anne Hynes | Other | — | 71 | ~1859 |
| John Lynch | Son | — | 11 | ~1919 |
| Anita Lynch | Spouse | — | 38 | ~1892 |
Census Appearances
1910
San Francisco, …
Other, age 33
San Francisco, California · implied b. ~1877 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | William J |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Occupation | Clerk |
| Industry | Street Railway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Head, age 43
San Francisco, California · implied b. ~1877 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Head, age 53
San Francisco, California · implied b. ~1877 — 6 household members
| Surname | Lynch |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 40 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Occupation | Jury Officer |
| Industry | Expert |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8000 |
| Radio Set | R |
| 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 Lynch across 3 US Census years (1910, 1920 and 1930) in San Francisco, California, using XGBoost record linkage.
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This person
Anchor record
William Lynch
Head · 1930 · age 53 · b. ~1877 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — San Francisco, California
Open full size
1930 US Federal Census — San Francisco, California
Page Contents
47 people indexed on this census page (ia:1930:californiacensus00reel198:0476)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William J. Lynch THIS PERSON | 53 | Head | Jury Officer | California |
| 2 | Anita A. Lynch | 38 | Wife | None | California |
| 3 | Dolores I. Lynch | 15 | Daughter | None | California |
| 4 | John W. Lynch | 11 | Son | None | California |
| 5 | Patricia A. Lynch | 6 | Daughter | None | California |
| 6 | Anne Hynes | 71 | Mother-in-law | None | Free State Ireland |
| 8 | Edwin J. Thompson | 45 | Head | Proprietor | California |
| 9 | Ethel B. Thompson | 36 | Wife | None | Missouri |
| 10 | Marjorie Thompson | 15 | Daughter | None | California |
| 11 | Jean E. Thompson | 12 | Daughter | None | California |
| 12 | Emery C. Roberts | 52 | Head | Salesman | California |
| 13 | Elizabeth Roberts | 50 | Wife | None | California |
| 14 | Edward C. Roberts | 22 | Son | None | California |
| 16 | Frederick Johnson | 44 | Head | Salesman | England |
| 17 | Emma Johnson | 65 | Mother | None | England |
| 18 | Nellie Johnson | 38 | Sister | Stenographer | England |
| 19 | Peter D. Johnson | 10 | Nephew | None | Canada English |
| 20 | Marjorie Johnson | 36 | Sister | Stenographer | Canada English |
| 21 | Walter J. O'Brien | 51 | Head | Salesman | Northern Ireland |
| 22 | Susan H. O'Brien | 44 | Wife | None | Tennessee |
| 23 | Katherine H. Miller | 17 | Daughter | None | Missouri |
| 24 | Marie H. Prout | 34 | Head | Office Manager | California |
| 25 | Barbara Prout | 12 | Daughter | None | California |
| 26 | Emile Prout | 62 | Mother | None | New Jersey |
| 27 | Edith Prout | 40 | Sister | Saleslady | California |
| 28 | Holger Jensen | 33 | Head | Proprietor | Denmark |
| 29 | Olga Jensen | 33 | Wife | None | Norway |
| 30 | Palmer Jensen | 7 | Son | None | Norway |
| 31 | Ragnar Jensen | 3 | Son | None | Norway |
| 32 | Arvid Sunvold | 42 | Head | Manager | Norway |
| 33 | Viola P. Sunvold | 31 | Wife | None | Minnesota |
| 35 | Irene Travers | 53 | Head | None | Oregon |
| 36 | Charles Hinds | 65 | Head | Manager | California |
| 37 | Florence M. Hinds | 54 | Wife | None | California |
| 38 | Mauro Elay | 22 | Servant | Servant | Philippine Islands |
| 39 | Leon E. Smith | 28 | Head | Driver | California |
| 40 | Lucile Smith | 27 | Wife | None | California |
| 41 | Peter Smith | 5 | Son | None | Iowa |
| 42 | Robert Smith | 3 | Son | None | Hawaii |
| 43 | Robert W. Smith | 2 | Son | None | Hawaii |
| 44 | Wayne H. Smith | 0 | Son | None | Hawaii |
| 45 | Elizabeth Smith | 65 | Mother | None | California |
| 46 | Gertrude Mccashin | 60 | Head | None | Illinois |
| 47 | Martin Maloney | 28 | Head | Janitor | California |
| 48 | Agnes F. Maloney | 27 | Wife | None | California |
| 49 | Marilyn J. Maloney | 3 | Daughter | None | California |
| 50 | Susan Thompson | 65 | Mother-in-law | None | California |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)