AR
Alice Ryan — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this Alice Ryan across the 1910, 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Dennis & Margaret — first a daughter (b.~1902), then head of a 6-person household.
Age 28
b. ~1902
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Ryan |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1902 |
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 Alice | Age | Birth yr |
|---|---|---|---|---|
| Bernice Ryan | Daughter | — | 26 | ~1904 |
| Harry Pendergast | Other | — | 26 | ~1904 |
| Margaret Ryan | Spouse | — | 58 | ~1872 |
| Dennis Ryan | Head | — | 62 | ~1868 |
| Alice Ryan | Daughter | — | 28 | ~1902 |
| Joseph Ryan | Son | — | 25 | ~1905 |
Census Appearances
1910
San Francisco, …
Other, age 11
San Francisco, California · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Alice M. |
| Relationship to Head | Grand-daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Daughter, age 22
San Francisco, California · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Alice A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Daughter, age 28
San Francisco, California · implied b. ~1902 — 6 household members
| Surname | Ryan |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| 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 Alice Ryan across 3 US Census years (1910, 1920 and 1930) in San Francisco, California, using XGBoost record linkage. Identified parents: father Dennis Ryan (~0.92 confidence) and mother Margaret Ryan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Dennis Ryan
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Margaret Ryan
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alice Ryan
Daughter · 1930 · age 28 · b. ~1902 · California
★ You are viewing this record
Sibling
Joseph Ryan
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Ryan
Sibling · 1930 · age 26
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
48 people indexed on this census page (ia:1930:californiacensus00reel202:0773)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Grady Jenkins | 26 | Head | Operator | California |
| 2 | Irene Jenkins | 26 | Wife | — | California |
| 3 | Grady Jr. Jenkins | 4 | Son | — | California |
| 4 | Flynn Jenkins | 1 | Son | — | California |
| 5 | Peter Boutons | 50 | Head | Physician | France |
| 6 | Mabel Boutons | 41 | Wife | — | France |
| 7 | Paul Berge | 43 | Lodger | Cook | France |
| 8 | Arthur Culan | 45 | Head | Welder | Ohio |
| 9 | Agnes Culan | 39 | Wife | — | Pennsylvania |
| 10 | Nicola Conroy | 21 | Lodger | Machinist | New York |
| 11 | Josephine Crick | 41 | Lodger | Nurse | England |
| 12 | William Reilly | 34 | Head | Chauffeur | California |
| 13 | Elva Reilly | 44 | Wife | — | California |
| 14 | James J. Kent | 35 | Lodger | Boiler Maker | New York |
| 15 | Dennis W. Ryan | 62 | Head | Letter Carrier | California |
| 16 | Margaret Ryan | 58 | Wife | — | California |
| 17 | Alice Ryan THIS PERSON | 28 | Daughter | — | California |
| 18 | Bernice Ryan | 26 | Daughter | — | California |
| 19 | Harry Pendergast | 26 | Boarder | Stenographer | California |
| 20 | Joseph Ryan | 25 | Son | Clerk | California |
| 21 | Rose Hughes | 58 | Head | — | California |
| 22 | Howard Hughes | 19 | Son | Checker | California |
| 23 | John Nelson | 53 | Lodger | Salesman | California |
| 24 | Elizabeth Dundon | 25 | Lodger | Operator | California |
| 25 | Anthony Hickman | 38 | Head | Presser | England |
| 26 | Bernice Hickman | 23 | Wife | — | New York |
| 27 | Gordon Hickman | 2 | Son | — | California |
| 28 | Elizabeth Nelson | 45 | Lodger | Rancher | New York |
| 29 | Charles Lemberg | 60 | Head | Waiter | Germany |
| 30 | Lena Lemberg | 53 | Wife | — | California |
| 31 | Marie Lemberg | 30 | Daughter | Secretary | California |
| 32 | Marie Lemberg | 85 | Mother | — | Germany |
| 33 | Kirk Drummond | 53 | Head | Barber | Wyoming |
| 34 | Edith Drummond | 36 | Wife | — | New York |
| 35 | John Drummond | 23 | Son | Clerk | California |
| 36 | Robert Drummond | 11 | Son | — | California |
| 37 | Herschel J. Hopkins | 24 | Head | Salesman | Missouri |
| 38 | James Mcmahon | 35 | Lodger | Operator | New York |
| 39 | Clair N. Marshall | 54 | Head | — | California |
| 40 | Arthur J. Marshall | 22 | Son | Clerk | California |
| 41 | Florence Frost | 51 | Lodger | Stenographer | California |
| 42 | Yoshio Tanihahe | 27 | Head | Chef | England |
| 43 | Mildred Tanihahe | 20 | Wife | — | California |
| 44 | William Hoffman | 56 | Head | Mechanic | California |
| 45 | Elizabeth Hoffman | 50 | Wife | — | California |
| 46 | Elinor Hoffman | 19 | Daughter | Stenographer | California |
| 47 | George Starr | 39 | Head | Candle Maker | Germany |
| 48 | Wilma Starr | 34 | Wife | Stenographer | California |
Pedigree Summary
Alice + 2 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)