DJ
Dorothy Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Diego, California
Our Model Tree links this Dorothy Johnson across the 1910, 1920 and 1930 US Censuses in San Diego, California (XGBoost, ~Confirmed), with identified parents Alfred & Albert — first a daughter (b.~1909), then head of a 4-person household.
Age 21
b. ~1909
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Diego, California |
| Surname | Johnson |
| Given Name | Dorothy D. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kansas |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | stenographer |
| Industry | private clinic |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Stenographer |
| Township / Ward | San Diego City Part |
| Est. Birth Year | ~1909 |
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 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Johnson | Daughter | — | 21 | ~1909 |
| Alfred Johnson | Head | — | 43 | ~1887 |
| Barbara Johnson | Other | — | 40 | ~1890 |
| David Johnson | Son | — | 18 | ~1912 |
Census Appearances
1910
San Diego, …
Daughter, age 1
San Diego, California · implied b. ~1909 — 20 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Dorothy G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kansas |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Diego, …
Daughter, age 10
San Diego, California · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Dorothy D |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kansas |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Diego, …
Daughter, age 21
San Diego, California · implied b. ~1909 — 4 household members
| Surname | Johnson |
| Given Name | Dorothy D. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kansas |
| Mother's Birthplace | California |
| Occupation | stenographer |
| Industry | private clinic |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Dorothy Johnson across 3 US Census years (1910, 1920 and 1930) in San Diego, California, using XGBoost record linkage. Identified parents: father Alfred Johnson (~0.92 confidence) and father Albert Johnson (~0.92 confidence) and mother Barbara Johnson (~0.92 confidence) and father John Raiter (~0.92 confidence) and mother Emma Raiter (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Johnson
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Albert Johnson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Barbara Johnson
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
John Raiter
b. ~1850
Source father
● Household
· direct · ~0.92
Mother
Emma Raiter
b. ~1854
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Johnson
Daughter · 1930 · age 21 · b. ~1909 · California
★ You are viewing this record
Sibling
David Johnson
Sibling · 1930 · age 18
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
1930 US Federal Census — San Diego, California
Open full size
1930 US Federal Census — San Diego, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel191:0174)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eva Trumbley | 63 | Head-H | None | Missouri |
| 2 | Glenn E. Hayes | 34 | Head | Captain | Illinois |
| 3 | Geneva Hayes | 32 | Wife-H | None | Ohio |
| 4 | Dorothy L. Hayes | 11 | daughter | None | California |
| 5 | Gene Hayes | 8 | daughter | None | California |
| 6 | Edward D. Graham | 40 | Head | Maintenance | Ohio |
| 7 | Kitty M. Graham | 39 | Wife-H | Proprietor | Washington |
| 8 | R. Daniel Graham | 11 | son | Newsboy | California |
| 9 | Mack E. Graham | 10 | son | Newsboy | California |
| 10 | William F. Graham | 9 | son | Newsboy | California |
| 11 | Truman W. Paxton | 40 | Head | Accountant | Indiana |
| 12 | Agnes Paxton | 39 | Wife-H | None | Indiana |
| 13 | Phyllis Paxton | 16 | daughter | None | California |
| 14 | Celeste Paxton | 13 | daughter | None | California |
| 15 | Patricia Paxton | 5 | daughter | None | California |
| 16 | Thomas D. Hill | 32 | Head | Bookkeeper | Georgia |
| 17 | M. Roberta Hill | 34 | Wife-H | None | Louisiana |
| 18 | John Lynch | 42 | Head | Truck Driver | Massachusetts |
| 19 | Mary J. Lynch | 37 | Wife-H | None | Massachusetts |
| 20 | M. Janet Lynch | 4 | daughter | None | California |
| 21 | Edith M. Lynch | 2 | daughter | None | California |
| 22 | John Jr. Lynch | 0 | son | None | California |
| 23 | Amelia Bridges | 74 | Head-H | None | Missouri |
| 24 | Jennie Johnson | 39 | maid | Housemaid | Sweden |
| 25 | Gana Hittard | 60 | cook | Cook | Norway |
| 26 | Martha Selvig | 30 | laundress | Laundress | Iowa |
| 27 | Ruth Jenkins | 35 | housekeeper | Housekeeper | California |
| 28 | Roy R. Rife | 43 | chauffeur | Chauffeur | Iowa |
| 29 | Mamie Rife | 38 | chauffeur | None | California |
| 30 | Henry G. Fenton | 58 | Head | Contractor | Iowa |
| 31 | Emily B. Fenton | 48 | Wife-H | None | Iowa |
| 32 | Emily Fenton | 19 | daughter | None | California |
| 33 | Pearl Potter | 43 | servant | Housemaid | Pennsylvania |
| 34 | Alfred T. Johnson | 43 | Head | Druggist | Kansas |
| 35 | Barbara C. Johnson | 40 | Wife-H | None | New York |
| 36 | Dorothy D. Johnson THIS PERSON | 21 | daughter | Stenographer | California |
| 37 | David C. Johnson | 18 | son | Salesman | California |
| 38 | Francis M. Hinkle | 51 | Head | None | Indiana |
| 39 | Ethel H. Hinkle | 48 | Wife-H | None | Wisconsin |
| 40 | Marion Hamilton | 74 | Head-H | None | New York |
| 41 | Margaret H. Hamilton | 82 | sister-in-law | None | New York |
| 42 | Annie Shepard | 67 | sister | None | New York |
| 43 | Margaret Tatum | 47 | Head-H | None | Pennsylvania |
| 44 | Margaret S. Tatum | 17 | daughter | None | California |
| 45 | Nancy Tatum | 8 | daughter | None | District of Columbia |
| 46 | Daniel Cutler | 74 | Head | None | Vermont |
| 47 | Ethel P. Cutler | 62 | Wife-H | None | Massachusetts |
| 48 | Adeline Holmes | 58 | niece | None | Vermont |
| 49 | Garrett Wiersing | 30 | Head | Physiotherapist | Michigan |
| 50 | Nancy Wiersing | 30 | Wife-H | None | New York |
Pedigree Summary
Dorothy + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)