JC
John Conroy — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this John Conroy across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Hugh & James — first a son (b.~1916), then head of a 9-person household.
Age 24
b. ~1916
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Additional Details | |
| Occupation | Stevedore |
| Industry | Shipping |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 906 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Stevedore |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1916 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Conroy | Son | — | 24 | ~1916 |
| James Conroy | Son | — | 21 | ~1919 |
| Frances Conroy | Daughter | — | 25 | ~1915 |
| Annie Conroy | Spouse | — | 54 | ~1886 |
| Dorothy Conroy | Daughter | — | 15 | ~1925 |
| James Conroy | Head | — | 52 | ~1888 |
| Eldon Conroy | Son | — | 28 | ~1912 |
| Joseph Conroy | Son | — | 29 | ~1911 |
| Margaret Conroy | Daughter | — | 13 | ~1927 |
Census Appearances
1920
San Francisco, …
Son, age 4
San Francisco, California · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conroy |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | California |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 14
San Francisco, California · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 24
San-Francisco-County, California · implied b. ~1916 — 9 household members
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Occupation | Stevedore |
| Industry | Shipping |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 906 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 John Conroy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hugh Conroy (~0.92 confidence) and father James Conroy (~0.92 confidence) and father Joseph Conroy (~0.92 confidence) and mother Annie Conroy (~0.92 confidence) and mother Annie Conroy (~0.92 confidence) and mother Annie Conroy (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hugh Conroy
b. ~1888
Source father
● Household
· direct · ~0.92
Father
James Conroy
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Joseph Conroy
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Annie Conroy
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Annie Conroy
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Annie Conroy
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Conroy
Son · 1940 · age 24 · b. ~1916 · California
★ You are viewing this record
Sibling
Frances Conroy
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eldon Conroy
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Conroy
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Conroy
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Conroy
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Conroy
Sibling · 1940 · age 21
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-t0627-00310-00259)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary @ Press | 52 | Wife | — | Michigan |
| 2 | Anna Lindelove | 41 | Head | Book Binder | California |
| 3 | Dorothy Lindelove | 7 | Daughter | — | California |
| 4 | William @ Quirk | 48 | Head | Butcher | California |
| 5 | Esther Quirk | 44 | Wife | — | California |
| 6 | Leslie @ Ginsberg | 31 | Head | Janitor | Montana |
| 7 | Grace Ginsberg | 31 | Wife | Operator | California |
| 8 | William Stipic | 47 | Head | Cook | Jugoslavia |
| 9 | Slavka @ Stipic | 39 | Wife | — | Jugoslavia |
| 10 | Milan Stipic | 21 | Son | — | California |
| 11 | Helen Stipic | 19 | Daughter | — | California |
| 12 | George @ Rasmussen | 49 | Head | Carpenter | England |
| 13 | Cancelled | None | — | — | — |
| 14 | Frank Tose | 47 | Head | Welder | Austria |
| 15 | Anna @ Tose | 47 | Wife | — | California |
| 16 | Francis Tose | 18 | Son | Shipping Clerk | California |
| 17 | Rudolph De Martini | 52 | Head | Conductor | Italy |
| 18 | Lucy A. @ De Martini | 43 | Wife | — | France |
| 19 | Elijah @ Dill | 59 | Head | Janitor | South Carolina |
| 20 | Cora @ Dill | 54 | Wife | — | North Carolina |
| 21 | Peter Lanahan | 55 | Head | Janitor | California |
| 22 | Ruby @ Lanahan | 49 | Wife | — | Kansas |
| 23 | James @ Conroy | 52 | Head | Machinist | Minnesota |
| 24 | Annie Conroy | 54 | Wife | — | California |
| 25 | Joseph Conroy | 29 | Son | Electrician | California |
| 26 | Eldon Conroy | 28 | Son | — | California |
| 27 | Frances Conroy | 25 | Daughter | House Keeper | California |
| 28 | John Conroy THIS PERSON | 24 | Son | Stevedore | California |
| 29 | James Conroy | 21 | Son | Salesman | California |
| 30 | Dorothy Conroy | 15 | Daughter | — | California |
| 31 | Margaret Conroy | 13 | Daughter | — | California |
| 32 | Julius Regli | 74 | Head | — | Switzerland |
| 33 | Roman John Regli | 40 | Son-in-law | Laborer | Switzerland |
| 34 | Rose Regli | 41 | Daughter | — | California |
| 35 | Thomas V. Regli | 2 | Grandson | — | California |
| 36 | Henry Schmidt | 22 | Nephew | Welder Helper | California |
| 37 | Anthony Miller | 46 | Head | Printer | Missouri |
| 38 | Mary Miller | 40 | Wife | — | Canada |
| 39 | Mary @ Maoney | 43 | Head | Clerk | California |
| 40 | Margaret Maoney | 41 | Sister | Clerk | California |
Pedigree Summary
John + 6 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)