NM
Nancy Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Duval-County, Florida
Our Model Tree links this Nancy Martin across the 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Duval-County, Florida |
| Surname | Martin |
| Given Name | Nancy J. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Jacksonville city |
| 1935 Residence (County) | Duval |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Jacksonville City |
| Est. Birth Year | ~1925 |
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 Nancy | Age | Birth yr |
|---|---|---|---|---|
| Kathleen Martin | Daughter | — | 4 | ~1936 |
| Henry Martin | Son | — | 14 | ~1926 |
| Nancy Martin | Daughter | — | 15 | ~1925 |
| Viola Martin | Spouse | — | 40 | ~1900 |
| Henry Martin | Head | — | 49 | ~1891 |
| Stephen Martin | Son | — | 16 | ~1924 |
Census Appearances
1930
Duval, Florida
Daughter, age 5
Duval, Florida · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Nancy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Duval-County, Florida
Daughter, age 15
Duval-County, Florida · implied b. ~1925 — 6 household members
| Surname | Martin |
| Given Name | Nancy J. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Jacksonville city |
| 1935 Residence (County) | Duval |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Nancy Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Nancy Martin
Daughter · 1940 · age 15 · b. ~1925 · Florida
★ You are viewing this record
Sibling
Stephen Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Martin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Martin
Sibling · 1940 · age 4
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 — Duval-County, Florida
Open full size
1940 US Federal Census — Duval-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00627-01053)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Madelyn Haskel | 21 | daughter | Cadet | Georgia |
| 42 | Rosa Lee Haskel | 10 | daughter | — | Florida |
| 43 | Henry J. Martin | 49 | head | Attorney | Pennsylvania |
| 44 | Viola O. Martin | 40 | wife | — | Pennsylvania |
| 45 | Stephen D. Martin | 16 | son | — | Pennsylvania |
| 46 | Nancy J. Martin THIS PERSON | 15 | daughter | — | Pennsylvania |
| 47 | Henry J. Martin | 14 | son | — | Florida |
| 48 | Kathleen Martin | 4 | daughter | — | Florida |
| 49 | Ray Philbrick | 34 | head | Representative | Massachusetts |
| 50 | Marcella Philbrick | 33 | wife | — | Florida |
| 51 | Carolyn Philbrick | 5 | daughter | — | Florida |
| 52 | Ray, Jr. Philbrick | 3 | son | — | Florida |
| 53 | Barila Philbrick | 2 | daughter | — | Florida |
| 54 | Thomas Phillips | 53 | head | President | Georgia |
| 55 | Bertha O. Phillips | 49 | wife | — | Florida |
| 56 | Thomas, Jr. Phillips | 23 | son | Salesman | Florida |
| 57 | Marie Phillips | 22 | daughter | — | Florida |
| 58 | Carolyn Phillips | 17 | daughter | — | Florida |
| 59 | John C. Phillips | 14 | son | — | Florida |
| 60 | Harold Phillips | 12 | son | — | Florida |
| 61 | Boyd Tincannon | 50 | head | Director | Georgia |
| 62 | Maxine Tincannon | 39 | wife | — | Georgia |
| 63 | Anne Tincannon | 16 | daughter | — | Florida |
| 64 | Shirley Tincannon | 2 | daughter | — | Florida |
| 65 | John D. Needham | 60 | head | — | Florida |
| 66 | Rosamond Needham | 60 | wife | — | Florida |
| 67 | Nellie Willoughby | 45 | nurse | Nurse | Florida |
| 68 | Alex P. Benton | 25 | head | Butcher | Florida |
| 69 | Maude Benton | 21 | wife | Maid | Florida |
| 70 | Burdett Garrison | 42 | head | President | Florida |
| 71 | Edith O. Garrison | 37 | wife | — | Florida |
| 72 | Rosemary Garrison | 12 | daughter | — | Florida |
| 73 | James Barnsford | 37 | head | Manager | Florida |
| 74 | Marian Barnsford | 33 | wife | — | Florida |
| 75 | Frank Marguith | 40 | head | Representative | Alabama |
| 76 | Emily Marguith | 37 | wife | — | Georgia |
| 77 | Thomas Marguith | 10 | son | — | Florida |
| 78 | Jane Marguith | 5 | daughter | — | Florida |
| 79 | Myrtice Sanderson | 22 | head | Nurse | Florida |
| 80 | Ray Edwards | 49 | head | Executive Director | Illinois |
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)