MW
Mary Watts — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Alameda, California
Our Model Tree links this Mary Watts across the 1910 and 1920 US Censuses in Alameda, California (XGBoost, ~Confirmed) — first a daughter (b.~1899), then head of a 5-person household.
Age 21
b. ~1899
Female
Daughter
Born: Kentucky
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Alameda, California |
| Surname | Watts |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Private Secretary |
| Industry | Seamen's Institute |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Private Secretary |
| Township / Ward | Berkeley City |
| Est. Birth Year | ~1899 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rosa Watts | Spouse | — | 56 | ~1864 |
| Charles Watts | Son | — | 17 | ~1903 |
| Gertrude Watts | Daughter | — | 24 | ~1896 |
| Mary Watts | Daughter | — | 21 | ~1899 |
| Charles Watts | Head | — | 58 | ~1862 |
Census Appearances
1910
Alameda, California
Daughter, age 11
Alameda, California · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watts |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1920
Alameda, California
Daughter, age 21
Alameda, California · implied b. ~1899 — 5 household members
| Surname | Watts |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Occupation | Private Secretary |
| Industry | Seamen's Institute |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Watts across 2 US Census years (1910 and 1920) in Alameda, California, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Watts
Daughter · 1920 · age 21 · b. ~1899 · California
★ You are viewing this record
Sibling
Charles Watts
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Watts
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 — Alameda, California
Open full size
1920 US Federal Census — Alameda, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu093unit:0416)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edwin J Squires | 46 | Head | Contractor | England |
| 52 | May E Squires | 38 | Wife | None | Massachusetts |
| 53 | Lucy Mary E Squires | 82 | Mother-in-law | None | New Hampshire |
| 54 | Stanley Richardson | 38 | Head | Officer | England |
| 55 | Audra Richardson | 30 | Wife | None | California |
| 56 | Audra Richardson | 9 | Daughter | None | Canada |
| 57 | Daisy Richardson | 7 | Daughter | None | Canada |
| 58 | Stanley Richardson | 4 | Son | None | Canada |
| 59 | Frank Severio | 65 | Head | Manufacturer | New York |
| 60 | Hannah Severio | 64 | Wife | None | California |
| 61 | Bruce Marion A Severio | 80 | Aunt-in-law | Trained Nurse | California |
| 62 | John Drowning | 51 | Head | Manufacturer | England |
| 63 | Ellen Drowning | 52 | Wife | None | England |
| 64 | Enid M Drowning | 18 | Daughter | None | England |
| 65 | John H Drowning | 16 | Son | None | England |
| 66 | James M Drowning | 13 | Son | None | England |
| 67 | Sturla Einarsson | 40 | Head | Teacher | Iceland |
| 68 | Anna R Einarsson | 29 | Wife | None | Massachusetts |
| 69 | Alfred W Einarsson | 4 | Son | None | California |
| 70 | Elizabeth Einarsson | 2 | Daughter | None | California |
| 71 | George C Dentner | 45 | Head | Conductor | Oregon |
| 72 | Phoebe A Dentner | 44 | Wife | None | Oregon |
| 73 | George O Dentner | 18 | Son | Machinist | California |
| 74 | Julius A Dentner | 4 | Son | None | California |
| 75 | George E French | 58 | Head | Auditor | California |
| 76 | Margaret E French | 54 | Wife | None | California |
| 77 | Ruth E French | 26 | Daughter | Private Secretary | California |
| 78 | George H M French | 20 | Son | None | California |
| 79 | Charles R Watts | 58 | Head | Stationary Engineer | Kentucky |
| 80 | Rosa Watts | 56 | Wife | None | Indiana |
| 81 | Gertrude Watts | 24 | Daughter | Teacher | Kentucky |
| 82 | Mary M Watts THIS PERSON | 21 | Daughter | Private Secretary | Kentucky |
| 83 | Charles R Jr Watts | 17 | Son | None | Kentucky |
| 84 | Ralph A Johns | 28 | Head | Secretary | California |
| 85 | Gertrude G Johns | 26 | Wife | None | Washington |
| 86 | Roberta A Johns | 1 | Daughter | None | California |
| 87 | Harold S Turner | 30 | Head | Teacher | Washington |
| 88 | Hazel U Turner | 26 | Wife | None | California |
| 89 | Eva Proper | 32 | Sister-in-law | None | California |
| 90 | Evelyn Proper | 5 | Niece | None | California |
| 91 | James T Anderson | 31 | Head | None | Alabama |
| 92 | Mildred E Anderson | 20 | Daughter | Teacher | Montana |
| 93 | Barclay B Anderson | 18 | Son | Mining Engineer | Montana |
| 94 | Donald Bruce | 35 | Head | Teacher | Massachusetts |
| 95 | Beatrice M Bruce | 30 | Wife | None | Connecticut |
| 96 | Mary E Bruce | 5 | Daughter | None | Montana |
| 97 | David M Bruce | 0 | Son | None | California |
| 98 | Julia Alexander | 62 | Head | None | Kentucky |
| 99 | Minnie Alexander | 25 | Daughter | None | Kentucky |
| 100 | Jessie Alexander | 22 | Daughter | Musician | Kentucky |
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)