IR
Ida Ross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Ida Ross across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1873), then head of a 5-person household.
Age 67
b. ~1873
Female
Spouse
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Ross |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Oakland |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Oakland |
| Est. Birth Year | ~1873 |
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 1940 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Cecelia Barry | Daughter | — | 33 | ~1907 |
| Ida Ross | Spouse | — | 67 | ~1873 |
| Kathleen Barry | Other | — | 3 | ~1937 |
| A Ross | Head | — | 71 | ~1869 |
| Harry Barry | Other | — | 34 | ~1906 |
Census Appearances
1920
Alameda, California
Spouse, age 47
Alameda, California · implied b. ~1873 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Alameda, California
Other, age 56
Alameda, California · implied b. ~1874 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Ida C. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 21 |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Alameda-County, California
Spouse, age 67
Alameda-County, California · implied b. ~1873 — 5 household members
| Surname | Ross |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Oakland |
| 1935 Residence (County) | Alameda |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Ida Ross across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Ross
Spouse · 1940 · age 67 · b. ~1873 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00436-00758)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Son Crosley | None | M | — | — |
| 42 | Son Beryl | None | M | — | — |
| 43 | Daughter Del Myrne | None | F | — | — |
| 44 | Son Sheridan | None | M | — | — |
| 45 | Emma Reed | 65 | Mother-in-law | — | Pennsylvania |
| 46 | Emile Narciso | 47 | Head | Grocer | Italy |
| 47 | Ruth Narciso | 40 | Wife | — | Illinois |
| 48 | John Narciso | 16 | Son | — | California |
| 49 | Dorothy Narciso | 15 | Daughter | — | California |
| 50 | Rose Mary Narciso | 11 | Daughter | — | California |
| 51 | Diana Narciso | 8 | Daughter | — | California |
| 52 | Phillip Narciso | 6 | Son | — | California |
| 53 | Tony Narciso | 5 | Son | — | California |
| 54 | Birdie Bontinck | 64 | Head | — | Nevada |
| 55 | Anna Ziegler | 75 | Sister | — | Iowa |
| 56 | John Peters | 53 | Head | Manager | California |
| 57 | Nina Peters | 48 | Wife | — | California |
| 58 | John Jr. Peters | 15 | Son | — | California |
| 59 | Powell Cassidy | 38 | Head | Advertising Agent | Missouri |
| 60 | Elizabeth Cassidy | 32 | Wife | — | Montana |
| 61 | Donald Cassidy | 10 | Son | — | Oklahoma |
| 62 | Dianne Cassidy | 6 | Daughter | — | California |
| 63 | Emory Thomason | 45 | Head | Bar Tender | Illinois |
| 64 | William Thomason | 42 | Wife | — | California |
| 65 | John Brann | 17 | Step-son | — | California |
| 66 | W. Ernest Jones | 52 | Head | Time Keeper | California |
| 67 | Madeline Jones | 40 | Wife | — | California |
| 68 | A. Ross | 71 | Head | — | Illinois |
| 69 | Ida Ross THIS PERSON | 67 | Wife | — | Wisconsin |
| 70 | Harry Barry | 34 | Son-in-law | Manufacturer | California |
| 71 | Cecelia Barry | 33 | Daughter | — | California |
| 72 | Kathleen Barry | 3 | Grand-daughter | 0 | California |
| 73 | Felix Joseph Munier | 58 | Head | Janitor | California |
| 74 | Martha Munier | 56 | Wife | — | Michigan |
| 75 | Jack Eilersen | 35 | Head | Maintenance Man | Denmark |
| 76 | Hazel Eilersen | 36 | Wife | Operator | California |
| 77 | Virgil A. Lile | 47 | Head | Clerk | Kansas |
| 78 | Anita Lile | 43 | Wife | Operator | California |
| 79 | Robert Lile | 10 | Son | — | California |
| 80 | Marlene Lile | 9 | Daughter | — | California |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)