MR
Margaret Ryan — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Margaret Ryan across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Ryan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | saleslady |
| Industry | apparel shop |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 298 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Saleslady |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1913 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Ryan | Daughter | — | 27 | ~1913 |
| William Ryan | Head | — | 57 | ~1883 |
| Harold Ryan | Son | — | 17 | ~1923 |
| Edward Ryan | Son | — | 16 | ~1924 |
| Josephine Ryan | Spouse | — | 53 | ~1887 |
Census Appearances
1920
San Francisco, …
Daughter, age 7
San Francisco, California · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| 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 17
San Francisco, California · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Daughter, age 27
San-Francisco-County, California · implied b. ~1913 — 5 household members
| Surname | Ryan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | saleslady |
| Industry | apparel shop |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 298 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Margaret Ryan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Ryan (~0.92 confidence) and father William Ryan (~0.92 confidence) and father Harry Ryan (~0.92 confidence) and mother Josephine Ryan (~0.92 confidence) and mother Josephine Ryan (~0.92 confidence) and mother Josephine Ryan (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Ryan
b. ~1883
Source father
● Household
· direct · ~0.92
Father
William Ryan
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Harry Ryan
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Josephine Ryan
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Josephine Ryan
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Josephine Ryan
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Ryan
Daughter · 1940 · age 27 · b. ~1913 · California
★ You are viewing this record
Sibling
Edward Ryan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Ryan
Sibling · 1940 · 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
1940 US Federal Census — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00322-00295)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norah Mcallister | 67 | Head | — | Eire |
| 2 | Frank O Mcallister | 34 | Son | Clerk-Office | California |
| 3 | Arthur Mazzone | 26 | Head | Book-Maker | California |
| 4 | Mildred Mazzone | 24 | Wife | — | California |
| 5 | Robert Mazzone | 2 | Son | — | California |
| 6 | Arthur Avakian | 34 | Head | Vegetable Clerk | Armenia |
| 7 | Ann Avakian | 26 | Wife | — | California |
| 8 | Herbert A Jacobsen | 30 | Head | Painter, Contractor | Denmark |
| 9 | Paula Jacobsen | 29 | Wife | Telephone Operator | Utah |
| 10 | George Wolff | 37 | Head | Service Man | California |
| 11 | Birdie Wolff | 24 | Wife | — | Illinois |
| 12 | Donald Wolff | 3 | Son | — | California |
| 13 | Manley Oppenheimer | 27 | Head | Pharmacist | California |
| 14 | Esther Oppenheimer | 25 | Wife | — | California |
| 15 | Stephen Oppenheimer | 3 | Son | — | California |
| 16 | Rose Oppenheimer | 1 | Daughter | — | California |
| 17 | Christine Casson | 75 | Head | — | Salina |
| 18 | William W Ryan | 57 | Head | Structural Worker | California |
| 19 | Josephine Ryan | 53 | Wife | — | California |
| 20 | Margaret Ryan THIS PERSON | 27 | Daughter | Saleslady | California |
| 21 | Harold Ryan | 17 | Son | — | California |
| 22 | Edward Ryan | 16 | Son | — | California |
| 23 | Frank Broekhoven | 53 | Head | Orchestra Leader | Germany |
| 24 | Rose Broekhoven | 49 | Wife | — | Germany |
| 25 | Doris Broekhoven | 24 | Daughter | Cutter | California |
| 26 | Julia Stephens | 69 | Mother-in-law | — | Louisiana |
| 27 | Harry Harding | 68 | Head | Shipping Clerk Dock Worker | England |
| 28 | Rhoda Harding | 66 | Wife | — | England |
| 29 | Nicola Sylvester | 43 | Head | Janitor | Italy |
| 30 | (No Name Given) (Missing) | None | — | — | — |
| 31 | Paul Frederick | 52 | Head | Sheet Metal W | Germany |
| 32 | Paula Frederick | 43 | Wife | — | Germany |
| 33 | Anita Frederick | 13 | Daughter | — | California |
| 34 | James Mcclelland | 39 | Head | Druggist | Northern Ireland |
| 35 | Adeline Mcclelland | 38 | Wife | Sales Clerk | Northern Ireland |
| 36 | Patricia Mcclelland | 15 | Daughter | — | Northern Ireland |
| 37 | Maureen Mcclelland | 13 | Daughter | — | Northern Ireland |
| 38 | Michael Mcclelland | 10 | Son | — | California |
| 39 | Philip Flores | 39 | Head | Painter | Mexico |
| 40 | Theresa Flores | 40 | Wife | — | Arizona |
Pedigree Summary
Margaret + 2 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)