HP
Harry Palmer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Luis-Obispo-County, California
Our Model Tree links this Harry Palmer across the 1930 and 1940 US Censuses in San-Luis-Obispo-County, California (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Luis-Obispo-County, California |
| Surname | Palmer |
| Given Name | Harry H. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | R |
| 1935 Residence (County) | San Luis Obispo |
| Additional Details | |
| Occupation | laborer |
| Class of Worker | 988 |
| Hours Worked | 3 |
| Income (1939) | 99 |
| Highest Grade | No 8 |
| 1935 Residence | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Laborer |
| Township / Ward | Cholame Judicial Township |
| Est. Birth Year | ~1923 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Mabel Palmer | Daughter | — | 5 | ~1935 |
| Stanley Palmer | Son | — | 10 | ~1930 |
| George Palmer | Son | — | 2 | ~1938 |
| Ruth Palmer | Daughter | — | 16 | ~1924 |
| Jennie Palmer | Spouse | — | 44 | ~1896 |
| Gloria Palmer | Daughter | — | 9 | ~1931 |
| Norma Palmer | Daughter | — | 7 | ~1933 |
| William Palmer | Head | — | 58 | ~1882 |
| Velma Palmer | Daughter | — | 13 | ~1927 |
| Harry Palmer | Son | — | 17 | ~1923 |
Census Appearances
1930
San Luis …
Son, age 8
San Luis Obispo, California · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Palmer |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Luis-Obispo-County, California
Son, age 17
San-Luis-Obispo-County, California · implied b. ~1923 — 10 household members
| Surname | Palmer |
| Given Name | Harry H. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | R |
| 1935 Residence (County) | San Luis Obispo |
| Occupation | laborer |
| Class of Worker | 988 |
| Hours Worked | 3 |
| Income (1939) | 99 |
| Highest Grade | No 8 |
| 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 Harry Palmer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Palmer
Son · 1940 · age 17 · b. ~1923 · California
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Sibling
George Palmer
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Velma Palmer
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Palmer
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norma Palmer
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Palmer
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Palmer
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gloria Palmer
Sibling · 1940 · age 9
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-Luis-Obispo-County, California
Open full size
1940 US Federal Census — San-Luis-Obispo-County, California
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00328-00250)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martin Petersen | 64 | Head | Ranch Work | California |
| 2 | Effie M. Petersen | 64 | Wife | — | Missouri |
| 3 | Ida May Petersen | 21 | daughter | — | California |
| 4 | Lucile Lauprier | 54 | daughter | Laborer | New York |
| 5 | Mollie Freeman | 48 | Head | — | Texas |
| 6 | Bertha L. Freeman | 57 | wife | — | California |
| 7 | Robert L. Freeman | 18 | son | Laborer | California |
| 8 | Jens A. Munk | 47 | Head | Ranch Work | Denmark |
| 9 | Esther H. Munk | 46 | wife | — | California |
| 10 | Clifford A. Munk | 9 | son | — | California |
| 11 | Ole Chon | 68 | Head | Mechanic | Minnesota |
| 12 | Sada Chon | 67 | wife | — | Canada |
| 13 | Lena L. Malmberg | 66 | Head | — | Iowa |
| 14 | Will J. Erickson | 30 | Head | Ranch Work | California |
| 15 | Estella L. Erickson | 31 | wife | — | Missouri |
| 16 | Dolly E. Erickson | 7 | daughter | — | California |
| 17 | Richard H. Erickson | 3 | son | — | California |
| 18 | William H. Palmer | 58 | Head | Teamster | Nebraska |
| 19 | Jennie D. Palmer | 44 | wife | — | California |
| 20 | Harry H. Palmer THIS PERSON | 17 | son | Laborer | California |
| 21 | Ruth I. Palmer | 16 | daughter | — | California |
| 22 | Velma I. Palmer | 13 | daughter | — | California |
| 23 | Stanley H. Palmer | 10 | son | — | California |
| 24 | Gloria M. Palmer | 9 | daughter | — | California |
| 25 | Norma J. Palmer | 7 | daughter | — | California |
| 26 | Mabel D. Palmer | 5 | daughter | — | California |
| 27 | George D. Palmer | 2 | son | — | California |
| 28 | James A. Phiffner | 58 | Head | Cement Work | Michigan |
| 29 | Myrna A. Phiffner | 58 | wife | — | Michigan |
| 30 | Will H. Rude | 62 | Head | Ranch Work | California |
| 31 | Mary E. Rude | 60 | wife | — | California |
| 32 | Morris S. Murphy | 54 | brother-in-law | Miner | California |
| 33 | Barbara A. Murphy | 86 | mother-in-law | — | France |
| 34 | William A. Murphy | 41 | son-in-law | Proprietor Of | Illinois |
| 35 | Virginia L. Murphy | 37 | daughter | — | New York |
| 36 | Ralph A. Fernst | 58 | Head | Ranch Work | Illinois |
| 37 | Alice A. Fernst | 56 | wife | — | England |
| 38 | Muriel A. Fernst | 24 | daughter | School Teacher | 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)