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Pearl Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hawaii-County, Hawaii
Our Model Tree links this Pearl Martin across the 1930 and 1940 US Censuses in Hawaii-County, Hawaii (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: Hawaii
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hawaii-County, Hawaii |
| Surname | Martin |
| Given Name | Pearl |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Ph |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Hawaii |
| 1935 Residence (City) | Hawaii |
| 1935 Residence (County) | Hawaii |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Yes 12 |
| 1935 Residence | Same place |
| Birth State | Hawaii |
| Birth Country | United States |
| Birthplace (normalized) | hawaii |
| Township / Ward | Hawaii |
| Est. Birth Year | ~1921 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Pearl | Age | Birth yr |
|---|---|---|---|---|
| Henry Martin | Son | — | 16 | ~1924 |
| Emma Ross | Daughter | — | 35 | ~1905 |
| Henry Martin | Head | — | 54 | ~1886 |
| Chiyoko Martin | Spouse | — | 46 | ~1894 |
| Donald Martin | Son | — | 7 | ~1933 |
| Alice Ross | Daughter | — | 7 | ~1933 |
| Chas Ross | Son | — | 5 | ~1935 |
| Pearl Martin | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Hawaii, Hawaii
Daughter, age 8
Hawaii, Hawaii · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Pearl |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | H |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Hawaii |
| Father's Birthplace | Hawaii |
| Mother's Birthplace | Hawaii |
| Can Read/Write | Yes |
| Birth State | Hawaii |
| Birth Country | United States |
| Birthplace (normalized) | hawaii |
1940
Hawaii-County, Hawaii
Daughter, age 19
Hawaii-County, Hawaii · implied b. ~1921 — 8 household members
| Surname | Martin |
| Given Name | Pearl |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Ph |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Hawaii |
| 1935 Residence (City) | Hawaii |
| 1935 Residence (County) | Hawaii |
| Income (1939) | 0 |
| Highest Grade | Yes 12 |
| 1935 Residence | Same place |
| Birth State | Hawaii |
| Birth Country | United States |
| Birthplace (normalized) | hawaii |
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 Pearl Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Pearl Martin
Daughter · 1940 · age 19 · b. ~1921 · Hawaii
★ You are viewing this record
Sibling
Emma Ross
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chas Ross
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Martin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Ross
Sibling · 1940 · age 7
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 — Hawaii-County, Hawaii
Open full size
1940 US Federal Census — Hawaii-County, Hawaii
Page Contents
50 people indexed on this census page (nara:1940:m-t0627-04582-00911)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Izzi Nishikawa | 44 | Head | — | Hawaii |
| 2 | Sofia Nishikawa | 36 | Daughter | — | Hawaii |
| 3 | Charlotte Spencer | 5 | Daughter | — | Hawaii |
| 4 | Matthew Primi | 5 | Son | — | Hawaii |
| 5 | Kalolani Primi | 5 | Daughter | — | Hawaii |
| 6 | Emma Primi | 5 | Daughter | — | Hawaii |
| 7 | Katherine Ross | 52 | Head | — | Hawaii |
| 8 | Mary Ross | 5 | Niece | — | Hawaii |
| 9 | Mabel Green | 56 | Sister | Barmaid | Hawaii |
| 10 | Gabriel Thela | 43 | Head | Waiter | Hawaii |
| 11 | Helen Thela | 4 | Wife | — | Hawaii |
| 12 | Katherine Thela | 21 | Daughter | Secretary | Hawaii |
| 13 | Harold L. Lucas | 46 | Head | Secretary | California |
| 14 | Honora Lucas | 31 | Wife | — | Canada |
| 15 | Ramona Ann Lucas | 5 | Daughter | — | Hawaii |
| 16 | Gregory Lucas | 1 | Son | — | Hawaii |
| 17 | Raque Jones | 21 | Servant | Housekeeper | Hawaii |
| 18 | Chas. Pollock | 37 | Head | Salesman | Scotland |
| 19 | Helen Pollock | 31 | Wife | Librarian | California |
| 20 | Jack Pollock | 3 | Son | — | Hawaii |
| 21 | Shie Yamamoto | 19 | Servant | Housemaid | Hawaii |
| 22 | Edward Nelson | 42 | Head | Sales Manager | Hawaii |
| 23 | Ethel Nelson | 37 | Wife | — | Hawaii |
| 24 | Edward Nelson | 5 | Son | — | Hawaii |
| 25 | John Hartwell | 55 | Head | — | Hawaii |
| 26 | Mary Yen | 21 | Servant | Housemaid | Hawaii |
| 27 | Henry Martin | 54 | Head | Sheriff | Hawaii |
| 28 | Chiyoko Martin | 46 | Wife | — | Hawaii |
| 29 | Pearl Martin THIS PERSON | 19 | Daughter | — | Hawaii |
| 30 | Henry K. Martin | 16 | Son | — | Hawaii |
| 31 | Donald Martin | 7 | Son | — | Hawaii |
| 32 | Emma M. Ross | 35 | Daughter | — | Hawaii |
| 33 | Alice M. Ross | 7 | Daughter | — | Hawaii |
| 34 | Chas. M. Ross | 5 | Son | — | Hawaii |
| 35 | Chas. Martin | 29 | Head | Police | Hawaii |
| 36 | Thomas Martin | 19 | Brother | — | Hawaii |
| 37 | William Beers | 72 | Head | Attorney General | Hawaii |
| 38 | Maude Beers | 60 | Wife | Teacher | Michigan |
| 39 | Solomon Falathea | 52 | Head | Real Estate | Hawaii |
| 40 | Mollie Falathea | 26 | Wife | — | Hawaii |
| 41 | Thomas Falathea | 5 | Son | — | Hawaii |
| 42 | Patrick Pang | 23 | Brother-in-law | Surveyor | Hawaii |
| 43 | Henry Hughes | 52 | Head | Superintendent | Hawaii |
| 44 | Angeline Hughes | 31 | Wife | — | France |
| 45 | Milton Carter | 32 | Head | Asst. Cashier | Hawaii |
| 46 | De Ella K. Carter | 32 | Servant | Teacher | California |
| 47 | Kikuo Nashimoto | 18 | Servant | Housekeeper | Hawaii |
| 48 | Leslie Knight | 33 | Head | Veterinarian | Hawaii |
| 49 | Grace Knight | 34 | Wife | — | S. Dakota |
| 50 | Infant Knight | 0 | Son | — | Hawaii |
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)