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William Keller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Orange-County, California
Our Model Tree links this William Keller across the 1930 and 1940 US Censuses in Orange-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 | Orange-County, California |
| Surname | Keller |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | New Port Beach |
| 1935 Residence (County) | Orange |
| Additional Details | |
| Highest Grade | S 7 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | New Port Beach |
| 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 William | Age | Birth yr |
|---|---|---|---|---|
| Paul Keller | Son | — | 15 | ~1925 |
| Joanna Keller | Daughter | — | 11 | ~1929 |
| William Keller | Son | — | 13 | ~1927 |
| Elsie Keller | Spouse | — | 36 | ~1904 |
| Margaret Keller | Daughter | — | 9 | ~1931 |
| Paul Keller | Head | — | 48 | ~1892 |
| Catherine Keller | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Orange, California
Son, age 3
Orange, California · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keller |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Orange-County, California
Son, age 13
Orange-County, California · implied b. ~1927 — 7 household members
| Surname | Keller |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | New Port Beach |
| 1935 Residence (County) | Orange |
| Highest Grade | S 7 |
| 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 William Keller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Keller
Son · 1940 · age 13 · b. ~1927 · California
★ You are viewing this record
Sibling
Paul Keller
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joanna Keller
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Keller
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Keller
Sibling · 1940 · age 8
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 — Orange-County, California
Open full size
1940 US Federal Census — Orange-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00273-00270)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Nielsen | 13 | Daughter | — | California |
| 2 | Harna Nielsen | 10 | Daughter | — | California |
| 3 | William Rodman | 25 | Head | Laborer | Arizona |
| 4 | Muriel Rodman | 22 | Wife | — | California |
| 5 | William Jr. Rodman | 1 | Son | — | California |
| 6 | Grace Marker | 45 | Head | — | Oklahoma |
| 7 | Evelyn Marker | 16 | Daughter | — | California |
| 8 | Mario E. Newland | 24 | Head | Clerk | Kansas |
| 9 | Irene M. Newland | 24 | Wife | Messenger | Canada |
| 10 | Robert D. Newland | 1 | Son | — | California |
| 11 | Maurice Bonilles | 41 | Head | Foreman | California |
| 12 | Maude Bonilles | 45 | Wife | Hand Work | California |
| 13 | Billie Bonilles | 16 | Son | — | California |
| 14 | Barbara Bonilles | 14 | Daughter | — | California |
| 15 | Bert Saurin | 65 | Head | Painter | Nebraska |
| 16 | Myrtle P. Saurin | 54 | Wife | — | Arkansas |
| 17 | Floyd Grieve | 34 | Head | Manager | Illinois |
| 18 | Iciphene Grieve | 31 | Wife | — | Illinois |
| 19 | Merwin Grieve | 12 | Son | — | Illinois |
| 20 | Bernard Frohlich | 64 | Head | — | Germany |
| 21 | Pauline Frohlich | 62 | Wife | — | Germany |
| 22 | Paul Keller | 48 | Head | Teacher | Germany |
| 23 | Elsie Keller | 36 | Wife | — | Germany |
| 24 | Paul Herman Keller | 15 | Son | — | California |
| 25 | William Keller THIS PERSON | 13 | Son | — | California |
| 26 | Joanna Keller | 11 | Daughter | — | California |
| 27 | Margaret Keller | 9 | Daughter | — | California |
| 28 | Catherine Keller | 8 | Daughter | — | California |
| 29 | Amel Boldman | 46 | Head | — | Indiana |
| 30 | Ellen Boldman | 40 | Wife | — | New York |
| 31 | Amel Jr. Boldman | 20 | Son | — | Washington |
| 32 | Guy Boldman | 10 | Son | — | Washington |
| 33 | George A. Goeldner | 75 | Head | — | Iowa |
| 34 | Ella Goeldner | 59 | Wife | — | Iowa |
| 35 | Charles C. Fipps | 51 | Head | Contractor | Indiana |
| 36 | Vunice Fipps | 50 | Wife | — | California |
| 37 | Charles Squires | 55 | Head | Laborer | California |
| 38 | Louis Squires | 42 | Wife | — | Missouri |
| 39 | Le Roy Squires | 17 | Son | Fishing | California |
| 40 | Robert Squires | 4 | Son | — | California |
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)