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Frank Gray — 1920 US Census Record
Linked across censuses1920 United States Federal Census · San Francisco, California
Our Model Tree links this Frank Gray across the 1900, 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a head (b.~1853), then head of a 4-person household.
Age 67
b. ~1853
Male
Head
Born: Indiana
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | San Francisco, California |
| Surname | Gray |
| Given Name | Frank P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | Physician |
| Industry | At Home |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Year of Naturalization | F |
| Birthplace (normalized) | indiana |
| Occupation | Physician |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1853 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Gray | Head | — | 67 | ~1853 |
| Frank Gray | Son | — | 31 | ~1889 |
| Lina Lennon | Other | — | 50 | ~1870 |
| Harriet Gray | Spouse | — | 62 | ~1858 |
Census Appearances
1900
San Francisco, …
Head, age 48
San Francisco, California · implied b. ~1852 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Frank P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Indiana |
| Birth Month | Nov |
| Birth Year | 1852 |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | New York |
| Occupation | Physician |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1910
San Francisco, …
Head, age 57
San Francisco, California · implied b. ~1853 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Frank P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Indiana |
| Years Married | 29 |
| Father's Birthplace | New York |
| Mother's Birthplace | North Carolina |
| Occupation | Physician |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
San Francisco, …
Head, age 67
San Francisco, California · implied b. ~1853 — 4 household members
| Surname | Gray |
| Given Name | Frank P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | New York |
| Occupation | Physician |
| Industry | At Home |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Year of Naturalization | F |
| Birthplace (normalized) | indiana |
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 Frank Gray across 3 US Census years (1900, 1910 and 1920) in San Francisco, California, using XGBoost record linkage.
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This person
Anchor record
Frank Gray
Head · 1920 · age 67 · b. ~1853 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — San Francisco, California
Open full size
1920 US Federal Census — San Francisco, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu136unit:0930)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | — | 5 | Head | — | California |
| 2 | — | 61 | Sister | Yes | California |
| 3 | — | 52 | Sister | Yes | New York |
| 4 | — | 49 | Sister | Yes | New York |
| 5 | Joseph Joseph | 51 | Head | Yes | Italy |
| 6 | Tillie Schuler | 50 | Wife | Poland | Russia |
| 7 | Jack Schuler | 22 | Son | Poland | Russia |
| 8 | Harry Schuler | 20 | Son | Poland | Russia |
| 9 | Annette Schuler | 18 | Daughter | Poland | Russia |
| 10 | Mildred Schuler | 11 | Daughter | Russian | London |
| 11 | Claus Alpers | 63 | Head | Yes | Hannover |
| 12 | Helene Alpers | 60 | Wife | Yes | Bavaria |
| 13 | Frederick P. Alpers | 26 | Son | Yes | California |
| 14 | Marguerite Alpers | 25 | Daughter | Yes | California |
| 15 | Lillie Alpers | 47 | Sister | Yes | Hannover |
| 16 | Daniel Lothrop | 79 | Head | Yes | Maine |
| 17 | Annie Lothrop | 76 | Sister | Yes | Maine |
| 18 | Mary Hough | 70 | Head | Yes | Ireland |
| 19 | Frank Hough | 37 | Son | Yes | California |
| 20 | Frank P. Gray THIS PERSON | 67 | Head | Physician | Indiana |
| 21 | Harriet E. Gray | 62 | Wife | — | Indiana |
| 22 | Frank Paul Gray | 31 | Son | Broker | California |
| 23 | Lina Lennon | 50 | Boarder | Yes | Sweden |
| 24 | Ross Ross | 56 | Head | Yes | Syria |
| 25 | Mary Ross | 34 | Wife | Yes | Sweden |
| 26 | Jack Ross | 11 | Son | Yes | Washington |
| 27 | Harry Ross | 7 | Son | Yes | Washington |
| 28 | Laura Sweeney | 40 | Boarder | Yes | France |
| 29 | Robert Mather | 36 | Head | Yes | Bavaria |
| 30 | Ida Mather | 45 | Wife | Yes | California |
| 31 | Mary Hubbard | 60 | Head | Yes | California |
| 32 | Ralph Hubbard | 21 | Son | Salesman | California |
| 33 | August Cafferala | 38 | Head | Yes | Nevada |
| 34 | Alice M. Cafferala | 30 | Wife | Yes | California |
| 35 | Virginia Cafferala | 7 | Daughter | — | California |
| 36 | August Cafferala | 6 | Son | — | California |
| 37 | Robert Cafferala | 1 | Son | — | California |
| 38 | George A. Phelan | 38 | Head | Surveyor | California |
| 39 | Adriane Phelan | 27 | Wife | Yes | California |
| 40 | George Phelan | 5 | Son | — | California |
| 41 | Althea Phelan | 4 | Daughter | — | California |
| 42 | Dorothy V. Phelan | 1 | Daughter | — | California |
| 43 | Theodore Blomquist | 26 | Head | Painter | Tennessee |
| 44 | Esther Blomquist | 28 | Wife | Yes | Virginia |
| 45 | Theodore Blomquist | 1 | Son | — | California |
| 46 | John Eichel | 39 | Head | Clerk | California |
| 47 | Eva Eichel | 38 | Wife | Yes | New York |
| 48 | Truman Eichel | 0 | Son | — | California |
| 49 | Raymond Mcewan | 23 | Head | Clerk | California |
| 50 | Gertrude Mcewan | 22 | Wife | — | California |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)