MJ
May Johnson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · San Bernardino, California
Our Model Tree links this May Johnson across the 1910 and 1920 US Censuses in San Bernardino, California (XGBoost, ~Confirmed) — first a daughter (b.~1906), then head of a 8-person household.
Age 14
b. ~1906
Female
Daughter
Born: California
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | San Bernardino, California |
| Surname | Johnson |
| Given Name | May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Bernardino City |
| Est. Birth Year | ~1906 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to May | Age | Birth yr |
|---|---|---|---|---|
| James Johnson | Son | — | 16 | ~1904 |
| Lillian Johnson | Daughter | — | 21 | ~1899 |
| May Johnson | Daughter | — | 14 | ~1906 |
| Alton Johnson | Son | — | 24 | ~1896 |
| Marie Rodgers | Daughter | — | 28 | ~1892 |
| Kenneth Rodgers | Other | — | 6 | ~1914 |
| Margaret Johnson | Spouse | — | 50 | ~1870 |
| Charles Johnson | Head | — | 55 | ~1865 |
Census Appearances
1910
San Bernardino, …
Daughter, age 4
San Bernardino, California · implied b. ~1906 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Bernardino, …
Daughter, age 14
San Bernardino, California · implied b. ~1906 — 8 household members
| Surname | Johnson |
| Given Name | May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 May Johnson across 2 US Census years (1910 and 1920) in San Bernardino, California, using XGBoost record linkage.
Show:
This person
Anchor record
May Johnson
Daughter · 1920 · age 14 · b. ~1906 · California
★ You are viewing this record
Sibling
Marie Rodgers
Sibling · 1920 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Johnson
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Johnson
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alton Johnson
Sibling · 1920 · age 24
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
1920 US Federal Census — San Bernardino, California
Open full size
1920 US Federal Census — San Bernardino, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu129unit:0933)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles E. Paddock | 39 | Lodger | Teacher | Iowa |
| 2 | Nick M. Mentwich | 31 | Lodger | Chauffeur | Austria |
| 3 | Antone Maslanak | 28 | Lodger | Waiter | Austria |
| 4 | Adolph J. Marek | 35 | Lodger | Farmer | Bohemia |
| 5 | Louis Smolo | 34 | Lodger | Porter | Austria |
| 6 | William Halden | 56 | Head | Teamster | Canada |
| 7 | Margaret B. Halden | 50 | Wife | — | Illinois |
| 8 | Walter G. Halden | 28 | Son | Barber | Kansas |
| 9 | E. Bonnie Halden | 14 | Daughter | — | California |
| 10 | John C. Mcbride | 39 | Head | Machinist | Pennsylvania |
| 11 | Mary M. Mcbride | 40 | Wife | — | Pennsylvania |
| 12 | Charles R. Mcbride | 15 | Son | — | Pennsylvania |
| 13 | Elizabeth A. Mcbride | 13 | Daughter | — | Pennsylvania |
| 14 | William A. Cash | 46 | Head | Clergyman | Ohio |
| 15 | Ida R. Cash | 41 | Wife | — | Michigan |
| 16 | Lester R. Cash | 21 | Son | Manifest Clerk | Michigan |
| 17 | Llewellyn K. Cash | 15 | Son | — | Nebraska |
| 18 | Albert G. Lindsey | 70 | Head | Superintendent | Wisconsin |
| 19 | Frances M. Lindsey | 69 | Wife | — | Vermont |
| 20 | Beulah M. Reed | 40 | Daughter | — | Nebraska |
| 21 | Marion Reed | 15 | Grandchild | — | Oregon |
| 22 | Jean Reed | 8 | Grandchild | — | Oregon |
| 23 | Ruth Reed | 8 | Grandchild | — | Oregon |
| 24 | Charles M. Johnson | 55 | Head | Carpa Tender | California |
| 25 | Margaret J. Johnson | 50 | Wife | — | Illinois |
| 26 | Alton M. Johnson | 24 | Son | Carpenter | California |
| 27 | James R. Johnson | 16 | Son | Messenger | California |
| 28 | May Johnson THIS PERSON | 14 | Daughter | — | California |
| 29 | Lillian Johnson | 21 | Daughter | Stenographer | California |
| 30 | Marie L. Rodgers | 28 | Daughter | Waitress | California |
| 31 | Kenneth C. Rodgers | 6 | Grandson | — | California |
| 32 | Horace C. Findley | 46 | Head | Machinist | Virginia |
| 33 | Myrtle S. Findley | 40 | Wife | — | Wisconsin |
| 34 | Frank Threlfell | 12 | Boarder | — | California |
| 35 | Otto Christensen | 31 | Lodger | Barber | Wisconsin |
| 36 | Martin Brasserick | 29 | Lodger | Cook | Austria |
| 37 | Frank X. Fiege | 46 | Head | Physician | New York |
| 38 | Mary G. Fiege | 43 | Wife | — | New York |
| 39 | John E. Fiege | 17 | Son | — | New York |
| 40 | Mary D. Fiege | 17 | Daughter | — | New York |
| 41 | Frances J. Fiege | 6 | Son | — | New Mexico |
| 42 | Mary H. Eadie | 52 | Head | — | Vermont |
| 43 | Grace Eadie | 25 | Daughter | — | Colorado |
| 44 | William H. Eadie | 22 | Son | — | Colorado |
| 45 | Sam Gullick | 38 | Head | Wholesale | Austria |
| 46 | Rose Gullick | 26 | Wife | — | New York |
| 47 | Walter B. Hansen | 44 | Head | Farmer | Illinois |
| 48 | Ida M. Hansen | 42 | Wife | — | Ohio |
| 49 | Eberhardt D. Franz | 32 | Head | Bookkeeper | New Mexico |
| 50 | Clara J. Franz | 32 | 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)