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Joseph Jordan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Joseph Jordan across the 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Jordan |
| Given Name | Joseph C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1927 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Jordan | Son | — | 13 | ~1927 |
| Margaret Jordan | Daughter | — | 14 | ~1926 |
| James Jordan | Son | — | 20 | ~1920 |
| Thomas Jordan | Son | — | 23 | ~1917 |
| Mary Jordan | Daughter | — | 19 | ~1921 |
| Dell Jordan | Head | — | 47 | ~1893 |
| John Jordan | Son | — | 16 | ~1924 |
Census Appearances
1930
San Francisco, …
Son, age 4
San Francisco, California · implied b. ~1926 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jordan |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 13
San-Francisco-County, California · implied b. ~1927 — 7 household members
| Surname | Jordan |
| Given Name | Joseph C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 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 Joseph Jordan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Jordan
Son · 1940 · age 13 · b. ~1927 · California
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Sibling
John Jordan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Jordan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Jordan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Jordan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jordan
Sibling · 1940 · age 20
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-t0627-00316-00427)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Evelyn Lawson | 18 | Daughter | — | Washington |
| 42 | Luigi Martini | 52 | Head | Laborer | Italy |
| 43 | Catherine Martini | 52 | Wife | — | Italy |
| 44 | John Martini | 18 | Son | Printer'S Apprentice | California |
| 45 | Henry Martini | 11 | Son | — | California |
| 46 | Edwin Bergstrom | 47 | Head | Order Clerk | Sweden |
| 47 | Amalie Bergstrom | 53 | Wife | — | Iowa |
| 48 | Joseph V. Ellis | 39 | Head | Mechanic | California |
| 49 | Theodore Breckin | 74 | Head | — | California |
| 50 | Emma C. Breckin | 70 | Sister | — | California |
| 51 | Frank Bradley | 65 | Head | — | New York |
| 52 | Margaret Bradley | 62 | Wife | Seamstress | California |
| 53 | Mary Black | 51 | Head | — | Eire |
| 54 | Margaret Black | 21 | Daughter | Messenger Girl | California |
| 55 | Robert Black | 19 | Son | Glazier'S Apprentice | California |
| 56 | Julia Black | 18 | Daughter | Usherette | California |
| 57 | William Black | 16 | Son | — | California |
| 58 | Mary Black | 10 | Daughter | — | California |
| 59 | Dell Jordan | 47 | Head | — | Eire |
| 60 | Thomas T. Jordan | 23 | Son | Postman | California |
| 61 | James A. Jordan | 20 | Son | Sales Clerk | California |
| 62 | Mary E. Jordan | 19 | Daughter | Accountant | California |
| 63 | John F. Jordan | 16 | Son | — | California |
| 64 | Margaret A. Jordan | 14 | Daughter | — | California |
| 65 | Joseph C. Jordan THIS PERSON | 13 | Son | — | California |
| 66 | James De Chenne | 50 | Head | Barber | Washington |
| 67 | Bernice De Chenne | 38 | Wife | — | California |
| 68 | Lillian Dwyer | 71 | Head | — | California |
| 69 | Dolores O'Malley | 23 | Grand daughter | Bookkeeper | California |
| 70 | Mary E. Waters | 73 | Head | — | California |
| 71 | Paul J. Healy | 34 | Head | Laborer | California |
| 72 | Marcella Healy | 30 | Wife | — | California |
| 73 | Barbara J. Healy | 6 | Daughter | — | California |
| 74 | Mary Frances Healy | 4 | Daughter | — | California |
| 75 | Thomas F. Healy | 0 | Son | — | California |
| 76 | Fred W. Schaefle | 63 | Head | Plumber | California |
| 77 | Lillian Schaefle | 64 | Wife | — | Illinois |
| 78 | Herman Schaefle | 33 | Son | Engineer Officer | California |
| 79 | Fred Schaefle | 29 | Son | New Worker | California |
| 80 | Marion Larson | 29 | Head | Metal Equipment | California |
Related Census Records
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)