MR
Martha Russell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monroe-County, Florida
Our Model Tree links this Martha Russell across the 1930 and 1940 US Censuses in Monroe-County, Florida (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 5-person household.
Age 12
b. ~1928
Female
Daughter
Born: Florida
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, Florida |
| Surname | Russell |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Key West |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Township / Ward | Key West |
| Est. Birth Year | ~1928 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha Russell | Daughter | — | 12 | ~1928 |
| Oliver Russell | Head | — | 52 | ~1888 |
| Thelma Russell | Daughter | — | 6 | ~1934 |
| Mary Russell | Daughter | — | 10 | ~1930 |
| Mattie Russell | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Monroe, Florida
Daughter, age 2
Monroe, Florida · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Russell |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Can Read/Write | No |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Monroe-County, Florida
Daughter, age 12
Monroe-County, Florida · implied b. ~1928 — 5 household members
| Surname | Russell |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Key West |
| 1935 Residence (County) | Monroe |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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.
Show:
This person
Anchor record
Martha Russell
Daughter · 1940 · age 12 · b. ~1928 · Florida
★ You are viewing this record
Sibling
Thelma Russell
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Russell
Sibling · 1940 · age 10
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
1940 US Federal Census — Monroe-County, Florida
Open full size
1940 US Federal Census — Monroe-County, Florida
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00601-00336)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Son Burhird | None | M | Pw | — |
| 2 | H. A. Pierce | 72 | Head | — | Bahamas |
| 3 | Elveria Pierce | 67 | Wife | — | Bahamas |
| 4 | Frank Stickney | 46 | Head | Foreman | Florida |
| 5 | Violet Stickney | 40 | Wife | — | Florida |
| 6 | Clyde Stickney | 19 | Son | — | Florida |
| 7 | Gage Stickney | 2 | Son | — | Florida |
| 8 | Sara Carey | 64 | Head | Seamstress | Florida |
| 9 | Maldie|Maldre Carey | 18 | Niece | — | Florida |
| 10 | Elenor Bernaldi | 74 | Head | — | Florida |
| 11 | Wallon Bernaldi | 45 | Son | Ass. Postmaster | Florida |
| 12 | Jennie Bernaldi | 24 | Daughter in law | — | Florida |
| 13 | Frank Bernaldi | 2 | Grandson | — | Florida |
| 15 | Charles Sawyer | 47 | Head | Ice Cutter | Florida |
| 16 | Matilda Sawyer | 46 | Wife | Operator | Florida |
| 17 | Robert Knowles | 38 | Head | Agent | Florida |
| 18 | Annie Knowles | 35 | Wife | — | Florida |
| 19 | Kenneth Knowles | 14 | Son | — | Florida |
| 20 | Robert Sr Knowles | 72 | Father | Carpenter | Bahamas |
| 21 | George Bonnivell | 50 | Head | Engineer | N. Carolina |
| 22 | Rosetta Bonnivell | 44 | Wife | — | Florida |
| 23 | Mary Bonnivell | 18 | Daughter | Stypist | Florida |
| 24 | William Bonnivell | 16 | Son | — | Florida |
| 25 | William Piodela | 46 | Head | Mechanic | New York |
| 26 | Miriam Piodela | 42 | Wife | — | Florida |
| 27 | Fay Piodela | 12 | Daughter | — | Florida |
| 28 | Billy Piodela | 3 | Son | — | Florida |
| 29 | Patricia Piodela | 1 | Daughter | — | Florida |
| 30 | Rosetta Curry | 62 | Mother | — | Bahamas |
| 31 | Oliver Russell | 52 | Head | Fisherman | Florida |
| 32 | Mattie Russell | 35 | Wife | — | Georgia |
| 33 | Martha Russell THIS PERSON | 12 | Daughter | — | Florida |
| 34 | Mary Russell | 10 | Daughter | — | Florida |
| 35 | Thelma Russell | 6 | Daughter | — | Florida |
| 37 | William Albury | 74 | Head | — | Bahamas |
| 38 | Sara Albury | 74 | Wife | — | Bahamas |
| 39 | Hillary Albury | 45 | Son | Ice Cutter | Bahamas |
| 40 | Marie Lowe | 18 | Daughter | New Worker | Florida |
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)