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William Lund — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this William Lund across the 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 8-person household.
Age 13
b. ~1917
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Lund |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| John Lund | Son | — | 21 | ~1909 |
| John Lund | Head | — | 41 | ~1889 |
| Alice Lund | Daughter | — | 17 | ~1913 |
| William Lund | Son | — | 13 | ~1917 |
| Anna Lund | Spouse | — | 41 | ~1889 |
| Robert Lund | Son | — | 15 | ~1915 |
| Arthur Lund | Son | — | 19 | ~1911 |
| James Lund | Son | — | 9 | ~1921 |
Census Appearances
1920
San Francisco, …
Son, age 3
San Francisco, California · implied b. ~1917 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lund |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Norway |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 13
San Francisco, California · implied b. ~1917 — 8 household members
| Surname | Lund |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| 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 Lund across 2 US Census years (1920 and 1930) in San Francisco, California, using XGBoost record linkage.
Show:
This person
Anchor record
William Lund
Son · 1930 · age 13 · b. ~1917 · California
★ You are viewing this record
Sibling
James Lund
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Lund
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Lund
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Lund
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Lund
Sibling · 1930 · age 17
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
1930 US Federal Census — San Francisco, California
Open full size
1930 US Federal Census — San Francisco, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel197:0942)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Muir | 35 | Head | Painter | Scotland |
| 2 | Martha Muir | 33 | Wife | — | Scotland |
| 3 | John Muir | 1 | Son | — | California |
| 4 | Vivian Muir | 0 | Daughter | — | California |
| 5 | Arne Orne | 32 | Head | — | Norway |
| 6 | Hannah Orne | 32 | Wife | — | Norway |
| 7 | Mary R Orne | 4 | Daughter | — | California |
| 8 | Arne Orne | 2 | Son | — | California |
| 9 | John Orne | 0 | Son | — | California |
| 10 | Fred Simons | 31 | Head | — | Denmark |
| 11 | Alice Simons | 21 | Wife | — | California |
| 12 | Alice Simons | 3 | Daughter | — | California |
| 13 | Fred Simons | 1 | Son | — | California |
| 14 | William Simons | 0 | Son | — | California |
| 15 | James Muir | 57 | Head | — | Scotland |
| 16 | Isabella Muir | 57 | Wife | — | Scotland |
| 17 | James Muir | 28 | Son | — | Scotland |
| 18 | Isabella Muir | 28 | Daughter | — | Scotland |
| 19 | John Muir | 20 | Son | — | California |
| 20 | William Muir | 20 | Son | — | California |
| 21 | Robert Muir | 18 | Son | — | California |
| 22 | James Patterson | 31 | Head | — | California |
| 23 | Alice Patterson | 27 | Wife | — | California |
| 24 | James Jr Patterson | 2 | Son | — | California |
| 25 | Robert Patterson | 0 | Son | — | California |
| 26 | John Lund | 41 | Head | — | Norway |
| 27 | Anna Lund | 41 | Wife | — | Norway |
| 28 | John Jr Lund | 21 | Son | — | California |
| 29 | Arthur Lund | 19 | Son | — | California |
| 30 | Alice Lund | 17 | Daughter | — | California |
| 31 | Robert Lund | 15 | Son | — | California |
| 32 | William Lund THIS PERSON | 13 | Son | — | California |
| 33 | James Lund | 9 | Son | — | California |
| 34 | Mary Mcnamara | 76 | Head | — | Ireland |
| 35 | Thomas Mcnamara | 45 | Son | — | California |
| 36 | Andrew Rossi | 41 | Head | Waiter | Italy |
| 37 | Benedetta Rossi | 34 | Wife | — | Italy |
| 38 | Andrew Rossi | 12 | Son | — | California |
| 39 | Evelyn Rossi | 12 | Daughter | — | California |
| 40 | Elizabeth Dixon | 72 | Head | — | California |
| 41 | James Dixon | 51 | Son | — | California |
| 42 | Pat Sullivan | 45 | Head | Laborer | Ireland |
| 43 | Ann Sullivan | 45 | Wife | — | Ireland |
| 44 | John Gorman | 45 | Head | — | Germany |
| 45 | Marie Gorman | 30 | Wife | — | Germany |
| 46 | John Gorman | 7 | Son | — | California |
| 47 | Elizabeth Gorman | 5 | Daughter | — | California |
| 48 | Rita Gorman | 3 | Daughter | — | California |
| 49 | Vance Bordt | 31 | Head | Seaman | Holland |
| 50 | Edna Finley | 40 | Head | Model | Iowa |
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)