RJ
Robert Jordan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Robert Jordan across the 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Jordan |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Albany |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Berkeley |
| Est. Birth Year | ~1928 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Shirley Jordan | Daughter | — | 7 | ~1933 |
| Irene Jordan | Daughter | — | 15 | ~1925 |
| Dorothy Jordan | Daughter | — | 4 | ~1936 |
| David Jordan | Head | — | 48 | ~1892 |
| Dick Jordan | Son | — | 3 | ~1937 |
| James Jordan | Son | — | 21 | ~1919 |
| William Jordan | Son | — | 19 | ~1921 |
| Jerry Jordan | Son | — | 1 | ~1939 |
| Thomas Jordan | Son | — | 10 | ~1930 |
| Robert Jordan | Son | — | 12 | ~1928 |
| Grace Jordan | Spouse | — | 41 | ~1899 |
Census Appearances
1930
San Francisco, …
Son, age 2
San Francisco, California · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jordan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Son, age 12
Alameda-County, California · implied b. ~1928 — 11 household members
| Surname | Jordan |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Albany |
| 1935 Residence (County) | Alameda |
| Highest Grade | No 7 |
| 1935 Residence | California |
| 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 Robert Jordan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Jordan
Son · 1940 · age 12 · b. ~1928 · California
★ You are viewing this record
Sibling
Shirley Jordan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Jordan
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dick Jordan
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Jordan
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jordan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Jordan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Jordan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Jordan
Sibling · 1940 · age 10
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 — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-00187-00594)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 4 | Scott M. Devon | 27 | Head | Purchasing Agent | Indiana |
| 5 | Mary E. Devon | 34 | Wife | — | Indiana |
| 6 | Morris Kohn | 51 | Head | Watchmaker | Russia |
| 7 | Rose Kohn | 37 | Wife | — | Roumania |
| 8 | Harry Kohn | 16 | Son | — | California |
| 9 | Claire Kohn | 14 | Daughter | — | California |
| 10 | Muriel Kohn | 12 | Daughter | — | California |
| 11 | Mark Kohn | 3 | Son | — | California |
| 13 | David A. Jordan | 48 | Head | Truck Driver | California |
| 14 | Grace V. Jordan | 41 | Wife | — | California |
| 15 | James L. Jordan | 21 | Son | Laborer | California |
| 16 | William D. Jordan | 19 | Son | Salesman | California |
| 17 | Irene L. Jordan | 15 | Daughter | — | California |
| 18 | Robert E. Jordan THIS PERSON | 12 | Son | — | California |
| 19 | Thomas Jordan | 10 | Son | — | California |
| 20 | Shirley J. Jordan | 7 | Daughter | — | California |
| 21 | Dorothy A. Jordan | 4 | Daughter | — | California |
| 22 | Dick A. Jordan | 3 | Son | — | California |
| 23 | Jerry R. Jordan | 1 | Son | — | California |
| 24 | Ernest E. Kelly | 51 | Head | Driver | South Carolina |
| 25 | Jane Kelly | 48 | Wife | — | Massachusetts |
| 26 | Virginia Kelly | 23 | Daughter | Sales Lady | Massachusetts |
| 27 | Elizabeth Chick | 52 | Lodger | Sales Lady | Massachusetts |
| 28 | John Anderson | 70 | Head | — | Sweden |
| 29 | Hannah Anderson | 62 | Wife | — | Sweden |
| 30 | Charles L. Rose | 73 | Head | — | California |
| 31 | George L. Wright | 55 | Son-in-law | Salesman | Oregon |
| 32 | Elizabeth Wright | 52 | Daughter | — | California |
| 33 | Arthur Forrester | 40 | Lodger | Lens Man | California |
| 34 | Jerry Gerard | 39 | Head | Porter | New York |
| 35 | Stella Gerard | 39 | Wife | — | California |
| 36 | James Jenkins | 19 | Step son | Sales Clerk | California |
| 37 | Estelle Jenkins | 21 | Step daughter | Waitress | California |
| 38 | Alfred Lage | 23 | Lodger | Lithographer | California |
| 39 | Dan A. Elkins | 54 | Head | Carpenter | Northern Ireland |
| 40 | Margaret Elkins | 42 | Wife | Saleslady | England |
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)