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Florence Young — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this Florence Young across the 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 9-person household.
Age 10
b. ~1920
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Young |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Chinese |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Territory Hawaii |
| Mother's Birthplace | Territory Hawaii |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1920 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Beatrice Young | Daughter | — | 17 | ~1913 |
| Mary Young | Daughter | — | 22 | ~1908 |
| Lily Young | Daughter | — | 25 | ~1905 |
| Florence Young | Daughter | — | 10 | ~1920 |
| Tom Young | Head | — | 51 | ~1879 |
| George Young | Son | — | 24 | ~1906 |
| Joseph Young | Son | — | 14 | ~1916 |
| Myra Young | Son | — | 28 | ~1902 |
| Annie Young | Spouse | — | 45 | ~1885 |
Census Appearances
1930
San Francisco, …
Daughter, age 10
San Francisco, California · implied b. ~1920 — 9 household members
| Surname | Young |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Chinese |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Territory Hawaii |
| Mother's Birthplace | Territory Hawaii |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Daughter, age 20
San-Francisco-County, California · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Yung |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Chinese |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | China |
| 1935 Residence (County) | China |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 450 |
| Highest Grade | 8 |
| 1935 Residence | China |
| 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 Florence Young across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Florence Young
Daughter · 1930 · age 10 · b. ~1920 · California
★ You are viewing this record
Sibling
Myra Young
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Young
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lily Young
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Young
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Young
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Young
Sibling · 1930 · age 24
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:californiacensus00reel210:0054)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Gang Louie | 55 | Head | Cook | China |
| 52 | Fong | 38 | Roomer | Cook | China |
| 53 | Fun Chin | 34 | Roomer | Cook | China |
| 54 | Jang Chin Wah | 30 | Roomer | Cook | China |
| 55 | Hang Wong Foon | 21 | Roomer | Cook | China |
| 56 | Tom Young | 51 | Head | Owner | Territory Hawaii |
| 57 | Annie Young | 45 | Wife | — | Territory Hawaii |
| 58 | Myra Young | 28 | Son | Worker | Territory Hawaii |
| 59 | Lily Young | 25 | Daughter | — | Territory Hawaii |
| 60 | George Young | 24 | Son | Worker | Territory Hawaii |
| 61 | Mary Young | 22 | Daughter | Saleslady | California |
| 62 | Joseph Young | 14 | Son | — | California |
| 63 | Beatrice Young | 17 | Daughter | — | Territory Hawaii |
| 64 | Florence Young THIS PERSON | 10 | Daughter | — | California |
| 65 | Tung Gin Lee | 62 | Head | Dress Maker | China |
| 66 | Toy Shee Lee | 42 | Wife | — | China |
| 67 | Chey Chong Lee | 19 | Son | Cook | China |
| 68 | Lily Lee | 6 | Daughter | — | California |
| 69 | Emily Lee | 4 | Daughter | — | California |
| 70 | Bessie Lee | 1 | Daughter | — | California |
| 71 | Homer Leong | 32 | Head | Minister | California |
| 72 | Wah Chew | 45 | Roomer | Salesman | California |
| 73 | Chun Lee | 40 | Roomer | Repairer | California |
| 74 | Sid Wah Lee | 37 | Roomer | Agent | California |
| 75 | John Fung Shing | 35 | Roomer | Agent | California |
| 76 | Tye Chop Ng | 30 | Roomer | Agent | California |
| 77 | Wah Lee | 46 | Head | Driver | China |
| 78 | Kwan Lee | 40 | Roomer | — | China |
| 79 | Hung Lee | 38 | Roomer | — | China |
| 80 | Joe Fun Lee | 12 | Roomer | — | California |
| 81 | Yee Fung Lee | 11 | Roomer | — | California |
| 82 | Wah Chew Lee | 9 | Roomer | — | California |
| 83 | Wah Sig Lee | 7 | Roomer | — | California |
| 84 | Yee Gey Lee | 4 | Roomer | — | California |
| 85 | Yee Gong Lee | 1 | Roomer | — | California |
| 86 | Ah Kee Lee | 40 | Head | Seamstress | China |
| 87 | Sue Lee | 17 | Daughter | Seamstress | California |
| 88 | Irene Lee | 15 | Daughter | Worker | California |
| 89 | Mary Lee | 12 | Daughter | — | California |
| 90 | Alice Lee | 10 | Daughter | — | California |
| 91 | Shuey Jeong | 44 | Head | Owner | China |
| 92 | Fong Shee Jeong | 44 | Wife | — | China |
| 93 | Soon Fat Jeong | 14 | Son | — | California |
| 94 | Step Fung Jeong | 10 | Son | — | California |
| 95 | Hal Jeong | 4 | Son | — | California |
| 96 | Itel Jeong | 1 | Daughter | — | California |
| 97 | Korn Chow | 35 | Head | Post Master | California |
| 98 | Ming Chew Chun | 50 | Head | Teller | California |
| 99 | Annie Chun | 38 | Wife | — | China |
| 100 | Louis Chun | 5 | Son | — | 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)