NM
Nancy Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dauphin-County, Pennsylvania
Our Model Tree links this Nancy Martin across the 1930 and 1940 US Censuses in Dauphin-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 6-person household.
Age 10
b. ~1930
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dauphin-County, Pennsylvania |
| Surname | Martin |
| Given Name | Nancy D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Harrisburg City |
| 1935 Residence (County) | Dauphin |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Harrisburg City |
| Est. Birth Year | ~1930 |
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 |
|---|---|---|---|---|
| Lester Martin | Head | — | 40 | ~1900 |
| Elsie Martin | Spouse | — | 37 | ~1903 |
| Gloria Martin | Daughter | — | 12 | ~1928 |
| Nancy Martin | Daughter | — | 10 | ~1930 |
| Walter Martin | Son | — | 16 | ~1924 |
| Geraldine Martin | Daughter | — | 1 | ~1939 |
Census Appearances
1930
Dauphin, Pennsylvania
Daughter, age 1
Dauphin, Pennsylvania · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Nancy J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Dauphin-County, Pennsylvania
Daughter, age 10
Dauphin-County, Pennsylvania · implied b. ~1930 — 6 household members
| Surname | Martin |
| Given Name | Nancy D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Harrisburg City |
| 1935 Residence (County) | Dauphin |
| Highest Grade | 4 |
| 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 10 · b. ~1930 · Pennsylvania
★ You are viewing this record
Sibling
Geraldine Martin
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gloria Martin
Sibling · 1940 · age 12
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 — Dauphin-County, Pennsylvania
Open full size
1940 US Federal Census — Dauphin-County, Pennsylvania
Page Contents
26 people indexed on this census page (nara:1940:m-t0627-03482-00292)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William T. King | 31 | Head | Salesman | Pennsylvania |
| 2 | Hazel D. King | 30 | Wife | — | Pennsylvania |
| 3 | Shirley M. King | 10 | Daughter | — | Pennsylvania |
| 4 | Iris J. King | 8 | Daughter | — | Pennsylvania |
| 5 | Jennie E. King | 6 | Daughter | — | Pennsylvania |
| 6 | Patricia A. King | 3 | Daughter | — | Pennsylvania |
| 7 | Anna E. Clark | 36 | Head | Beautician | Pennsylvania |
| 8 | Michael E. Farley | 35 | Head | Proprietor | Pennsylvania |
| 9 | Robert W. Reinhard | 26 | Lodger | Helper | Pennsylvania |
| 10 | Lester L. Martin | 40 | Head | Salesman | Pennsylvania |
| 11 | Elsie D. Martin | 37 | Wife | — | Pennsylvania |
| 12 | Walter Martin | 16 | Son | — | Pennsylvania |
| 13 | Gloria A. Martin | 12 | Daughter | — | Pennsylvania |
| 14 | Nancy D. Martin THIS PERSON | 10 | Daughter | — | Pennsylvania |
| 15 | Geraldine L. Martin | 1 | Daughter | — | Pennsylvania |
| 16 | Rodney E. Swain | 57 | Head | Rail Straightener | Pennsylvania |
| 17 | Mary E. Swain | 56 | Wife | — | Pennsylvania |
| 18 | Jeanette R. Swain | 16 | Daughter | — | Pennsylvania |
| 19 | Beverly E. Swain | 14 | Daughter | — | Pennsylvania |
| 20 | William R. Bragunier | 58 | Head | Machinist | Maryland |
| 21 | Jessie E. Bragunier | 58 | Wife | — | Pennsylvania |
| 22 | Jacob Smith | 30 | Head | Truck Driver | Pennsylvania |
| 23 | Zella K. Smith | 27 | Wife | — | Pennsylvania |
| 24 | Rose J. Smith | 7 | Daughter | — | Pennsylvania |
| 25 | Richard H. Smith | 3 | Son | — | Pennsylvania |
| 26 | Kate Parsons | 80 | Lodger | — | Pennsylvania |
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)