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William Ramsey — 1920 US Census Record
Model Tree available1920 United States Federal Census · Alameda, California
Our Model Tree links this William Ramsey across the 1920, 1930 and 1940 US Censuses in Alameda, California (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1918), then head of a 4-person household.
Age 2
b. ~1918
Male
Son
Born: California
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Alameda, California |
| Surname | Ramsey |
| Given Name | William K. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | California |
| Additional Details | |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Albany City |
| Est. Birth Year | ~1918 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Ramsey | Head | — | 37 | ~1883 |
| Maud Ramsey | Spouse | — | 26 | ~1894 |
| William Ramsey | Son | — | 2 | ~1918 |
| Margaret Ramsey | Daughter | — | ~1920 |
Census Appearances
1920
Alameda, California
Son, age 2
Alameda, California · implied b. ~1918 — 4 household members
| Surname | Ramsey |
| Given Name | William K. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Son, age 13
Alameda, California · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ramsay |
| Given Name | William H Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Son, age 23
Alameda-County, California · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ramsay |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Berkeley |
| 1935 Residence (County) | Alameda |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 840 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 William Ramsey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Ramsay (~0.92 confidence) and father William Ramsay (~0.92 confidence) and mother Mary Ramsay (~0.92 confidence) and mother Maud Ramsey (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Ramsay
b. ~1881
Source father
● Household
· direct · ~0.92
Father
William Ramsay
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mary Ramsay
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Maud Ramsey
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Ramsey
Son · 1920 · age 2 · b. ~1918 · California
★ You are viewing this record
Sibling
Margaret Ramsey
Sibling · 1920 · age
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:1920:14thcensusofpopu092unit:0126)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel A. Chase | 40 | Head | Proprietor | Russia |
| 2 | Rachel Chase | 31 | Wife | — | Connecticut |
| 3 | Sylvia E. Chase | 10 | Daughter | — | Connecticut |
| 4 | Edward Sandage | 44 | Head | Smelter | Indiana |
| 5 | Libbie Sandage | 48 | Wife | — | Indiana |
| 6 | John Palmer | 41 | Head | Boilermaker | Georgia |
| 7 | Gertrude Palmer | 38 | Wife | — | California |
| 8 | Elizabeth Palmer | 8 | Daughter | — | California |
| 9 | Deal Huda Palmer | 6 | Daughter | — | California |
| 10 | August Ericson | 42 | Head | Contractor | Sweden |
| 11 | Alma Ericson | 38 | Wife | — | Sweden |
| 12 | Mary S. Coward | 46 | Head | — | Wisconsin |
| 13 | Evangeline Coward | 13 | Daughter | — | New Jersey |
| 14 | Eleanor Coward | 10 | Daughter | — | New Jersey |
| 15 | Frank J. Scott | 28 | Head | Conductor | Canada |
| 16 | Margaret Scott | 25 | Wife | — | Ohio |
| 17 | Edward Scott | 5 | Son | — | California |
| 18 | Francis Scott | 4 | Daughter | — | California |
| 19 | Shirley Scott | 2 | Daughter | — | California |
| 20 | Patricia Scott | 0 | Daughter | — | California |
| 21 | David B. Scanlon | 60 | Head | Carpenter | Canada |
| 22 | Mary E. Scanlon | 53 | Wife | — | Canada |
| 23 | Charles D. Scanlon | 31 | Son | — | Michigan |
| 24 | Kathleen P. Scanlon | 22 | Daughter | Head Clerk | Ohio |
| 25 | James W. Scanlon | 20 | Son | Clerk | Ohio |
| 26 | Henry C. Dedrickson | 41 | Head | Silversmith | Norway |
| 27 | Bertina Dedrickson | 34 | Wife | — | Illinois |
| 28 | Solvieg Dedrickson | 16 | Daughter | — | Norway |
| 29 | Florence Dedrickson | 13 | Daughter | — | New Jersey |
| 30 | Charles F. Rauch | 67 | Head | Gardener | Georgia |
| 31 | Lydia S. Rauch | 61 | Wife | — | England |
| 32 | Frederick Rauch | 34 | Son | Salesman | Missouri |
| 33 | Lulu B. Faber | 39 | Daughter | — | Missouri |
| 34 | Barbara L. Faber | 17 | Granddaughter | — | Illinois |
| 35 | Charles K. Thornburg | 30 | Head | Mechanic | California |
| 36 | Dorothy G. Thornburg | 24 | Wife | — | California |
| 37 | Charles K. Thornburg | 2 | Son | — | California |
| 38 | Douglas Thornburg | 1 | Son | — | California |
| 39 | Irving Blackwell | 34 | Head | Chief Clerk | California |
| 40 | Lucy B. Blackwell | 34 | Wife | — | California |
| 41 | Margaret H. Blackwell | 9 | Daughter | — | California |
| 42 | Eugene B. Blackwell | 4 | Son | — | California |
| 43 | Irving R. Blackwell | 2 | Son | — | California |
| 44 | James R. Brouse | 66 | Father-in-law | — | Pennsylvania |
| 45 | William J. Ramsey | 37 | Head | Mechanic | Scotland |
| 46 | Maud S. Ramsey | 26 | Wife | — | California |
| 47 | William K. Ramsey THIS PERSON | 2 | Son | — | California |
| 48 | Margaret M. Ramsey | 0 | Daughter | — | California |
| 49 | Johanna Mcbullock | 69 | Head | — | Denmark |
| 50 | Thomas P. Mcbullock | 43 | Son | Marble Cutter | Illinois |
Pedigree Summary
William + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)