MJ
Mary Jones — 1920 US Census Record
Linked across censuses1920 United States Federal Census · San Francisco, California
Our Model Tree links this Mary Jones across the 1900, 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a spouse (b.~1869), then head of a 6-person household.
Age 51
b. ~1869
Female
Spouse
Born: Washington
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | San Francisco, California |
| Surname | Jones |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Washington |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1869 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Hugh Jones | Head | — | 54 | ~1866 |
| Harry Cannon | Other | — | 30 | ~1890 |
| Harry Jones | Son | — | 26 | ~1894 |
| Robert Jones | Son | — | 30 | ~1890 |
| Raymond Jones | Son | — | 28 | ~1892 |
| Mary Jones | Spouse | — | 51 | ~1869 |
Census Appearances
1900
San Francisco, …
Head, age 30
San Francisco, California · implied b. ~1870
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Jones |
| Given Name | Mrs. S. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Widowed |
| Birthplace | Washington |
| Birth Year | 1870 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1910
San Francisco, …
Spouse, age 41
San Francisco, California · implied b. ~1869 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Washington |
| Years Married | 22 |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
San Francisco, …
Spouse, age 51
San Francisco, California · implied b. ~1869 — 6 household members
| Surname | Jones |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Washington |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Mary Jones across 3 US Census years (1900, 1910 and 1920) in San Francisco, California, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Jones
Spouse · 1920 · age 51 · b. ~1869 · 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:1920:14thcensusofpopu133unit:0341)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice A Bounty | 46 | Wife | — | Bermuda |
| 2 | Elsa Bounty | 13 | Daughter | — | California |
| 3 | Herman Bounty | 11 | Son | — | California |
| 4 | William Hugler | 59 | Head | Cigar Manufacturer | Maryland |
| 5 | Katherine Hugler | 54 | Wife | — | Maryland |
| 6 | Clara Gilmar | 38 | Head | Housewife | California |
| 7 | Karl Gran | 31 | Lodger | Baker | Sweden |
| 8 | Wm Bell | 38 | Lodger | Glass Blower | West Virginia |
| 9 | John Patterson | 41 | Lodger | Teamster | Scotland |
| 10 | Floyd Gibson | 69 | Lodger | Teamster | New York |
| 11 | Arthur Young | 43 | Head | Barber | New York |
| 12 | Alice Young | 41 | Wife | — | Illinois |
| 13 | George Young | 34 | Cousin | Barber | Scotland |
| 14 | George Smut | 39 | Head | Laborer | Syria |
| 15 | Carmea Smut | 39 | Wife | Seamstress | California |
| 16 | Gavina Markarian | 40 | Mother-in-law | — | California |
| 17 | James Lahee | 45 | Lodger | Glass Blower | California |
| 18 | Mack Seeley | 72 | Head | Dental Surgeon | Iowa |
| 19 | Elizabeth Seeley | 60 | Wife | — | Pennsylvania |
| 20 | Daniel Ingram | 70 | Brother-in-law | Labour | Pennsylvania |
| 21 | Harry Maffensburger | 41 | Head | Waiter | Pennsylvania |
| 22 | Louise Maffensburger | 33 | Wife | Waitress | California |
| 23 | Hugh Jones | 54 | Head | Shipping Clerk | Wales |
| 24 | Mary Jones THIS PERSON | 51 | Wife | — | Washington |
| 25 | Robert Jones | 30 | Son | Agent | California |
| 26 | Raymond Jones | 28 | Son | Machinist | California |
| 27 | Harry Jones | 26 | Son | Railway Fireman | California |
| 28 | Harry J Cannon | 30 | Lodger | Police Officer | California |
| 29 | Harry Schuchard | 42 | Head | Auto Driver | New York |
| 30 | Louise Schuchard | 43 | Wife | — | New York |
| 31 | Henry Schuchard | 14 | Son | — | New York |
| 32 | Alice Schuchard | 11 | Daughter | — | California |
| 33 | Corinne Schuchard | 8 | Daughter | — | California |
| 34 | Helen Schuchard | 4 | Daughter | — | California |
| 35 | Wilson Jones | 31 | Head | Machinist | California |
| 36 | Evelyn Jones | 26 | Wife | — | Colorado |
| 37 | Homer Jones | 7 | Son | — | California |
| 38 | Helen Jones | 5 | Daughter | — | California |
| 39 | Harris Starr | 45 | Head | Machinist | Kentucky |
| 40 | Harrie Starr | 40 | Wife | — | Missouri |
| 41 | Harry Biederman | 28 | Brother-in-law | Upholsterer | Missouri |
| 42 | Walter Biederman | 27 | Nephew | — | Missouri |
| 43 | May Schmitt | 25 | Lodger | — | Wisconsin |
| 44 | Hazel Thompson | 22 | Lodger | — | Wisconsin |
| 45 | Thomas Thompson | 28 | Lodger | Stat Engineer | England |
| 46 | Wm Clark | 35 | Lodger | Music Teacher | Louisiana |
| 47 | James Campbell | 36 | Head | Fireman | California |
| 48 | Ellen Campbell | 36 | Wife | — | California |
| 49 | Chas Webb | 23 | Step-son | Starter | California |
| 50 | Grace Webb | 20 | Step-dau | Waitress | California |
Related Census Records
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)