MR
Martha Russell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Martha Russell across the 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 6-person household.
Age 52
b. ~1888
Female
Spouse
Born: France
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Russell |
| Given Name | Martha L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | France |
| 1935 Residence (City) | Oakland |
| 1935 Residence (County) | Alameda |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth Country | France |
| Birthplace (normalized) | france |
| Township / Ward | Oakland |
| Est. Birth Year | ~1888 |
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 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha Russell | Spouse | — | 52 | ~1888 |
| Lawrence Russell | Head | — | 47 | ~1893 |
| Lawrence Russell | Son | — | 18 | ~1922 |
| Ann Russell | Daughter | — | 21 | ~1919 |
| Ralph Russell | Son | — | 15 | ~1925 |
| Fred Russell | Son | — | 22 | ~1918 |
Census Appearances
1930
Alameda, California
Spouse, age 41
Alameda, California · implied b. ~1889 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Russell |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | France |
| Naturalization Status | Naturalized |
| Year of Immigration | 1892 |
| Age at First Marriage | 18 |
| Father's Birthplace | France |
| Mother's Birthplace | France |
| Can Read/Write | Yes |
| Mother Tongue | French |
| Birth Country | France |
| Birthplace (normalized) | france |
1940
Alameda-County, California
Spouse, age 52
Alameda-County, California · implied b. ~1888 — 6 household members
| Surname | Russell |
| Given Name | Martha L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | France |
| 1935 Residence (City) | Oakland |
| 1935 Residence (County) | Alameda |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth Country | France |
| Birthplace (normalized) | france |
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 Martha Russell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Russell
Spouse · 1940 · age 52 · b. ~1888 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Alameda-County, California
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1940 US Federal Census — Alameda-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00436-00604)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Phyllis Wentworth | 25 | Wife | Secretary | California |
| 2 | Elizabeth O'Brien | 79 | Head | — | Canada |
| 3 | Annie Cameron | 84 | Sister | — | Canada |
| 4 | George A. Watson | 76 | Head | — | New York |
| 5 | Mary Jane Watson | 73 | Wife | — | England |
| 6 | Robert P. Johnson | 52 | Head | Carpenter | California |
| 7 | Ella M. Johnson | 44 | Wife | Dept. Supt. | California |
| 8 | Theodore P. Johnson | 19 | Son | Apprentice Carpenter | California |
| 9 | Letitia Brown | 70 | Mother | — | Nevada |
| 10 | Theodore S. Brown | 37 | Brother in law | Shipper | California |
| 11 | Lawrence W. Russell | 47 | Head | Carpenter | California |
| 12 | Martha L. Russell THIS PERSON | 52 | Wife | — | France |
| 13 | Fred Russell | 22 | Son | Upholstering Helper | California |
| 14 | Ann Agnes Russell | 21 | Daughter | Telephone Operator | California |
| 15 | Lawrence Jr. Russell | 18 | Son | — | California |
| 16 | Ralph Russell | 15 | Son | — | California |
| 17 | Theodore M. Welch | 32 | Head | Furniture Maker | Pennsylvania |
| 18 | Gertrude M. Welch | 29 | Wife | — | Pennsylvania |
| 19 | Patricia A. Welch | 7 | Daughter | — | California |
| 20 | Richard M. Welch | 5 | Son | — | California |
| 21 | James O. Fennelly | 49 | Head | House Carpenter | Ireland |
| 22 | Birdie M. Fennelly | 47 | Wife | — | Ireland |
| 23 | Mae J. Fennelly | 21 | Daughter | Clerk | California |
| 24 | James O. Jr. Fennelly | 17 | Son | News Boy | California |
| 25 | Emmett P. Fennelly | 14 | Son | News Boy | California |
| 26 | Eileen C. Fennelly | 10 | Daughter | — | California |
| 27 | Thomas F. Monahan | 57 | Head | Mill Man | Iowa |
| 28 | Mary M. Monahan | 58 | Wife | — | Iowa |
| 29 | Mary E. Monahan | 27 | Daughter | Stenographer | Iowa |
| 30 | Thomas Monahan | 19 | Son | Helper Butcher | Iowa |
| 31 | Briget Sheridan | 70 | Head | — | Iowa |
| 32 | Mary B. Sheridan | 39 | Daughter | Teacher | California |
| 33 | Susan J. Sheridan | 32 | Daughter | Teacher | California |
| 34 | Rosa P. Sheridan | 37 | Daughter | — | California |
| 35 | Thomas J. Sheridan | 22 | Son | Business Mgr. | California |
| 36 | Priscilla A. Knowlton | 72 | Head | — | Oregon |
| 37 | Naomi Knowlton | 42 | Daughter | Pharmacist | Oregon |
| 38 | Ethel Murphy | 40 | Lodger | Teaching | Calif |
| 39 | Alice Ferrick | 37 | Head | — | Hawaii |
| 40 | Florence Ferrick | 28 | Daughter | Orchestra | 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)