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Martha Long — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lancaster-County, Pennsylvania
Our Model Tree links this Martha Long across the 1930 and 1940 US Censuses in Lancaster-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lancaster-County, Pennsylvania |
| Surname | Long |
| Given Name | Martha H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Rapho Twp. |
| 1935 Residence (County) | Lancaster |
| Additional Details | |
| Industry | Home |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Rapho Twp |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Silas Long | Son | — | 20 | ~1920 |
| Samuel Long | Head | — | 52 | ~1888 |
| Jennie Long | Spouse | — | 55 | ~1885 |
| Mary Long | Daughter | — | 24 | ~1916 |
| Martha Long | Daughter | — | 17 | ~1923 |
| Isaac Long | Son | — | 14 | ~1926 |
Census Appearances
1930
Lancaster, Pennsylvania
Daughter, age 8
Lancaster, Pennsylvania · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Martha H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lancaster-County, Pennsylvania
Daughter, age 17
Lancaster-County, Pennsylvania · implied b. ~1923 — 6 household members
| Surname | Long |
| Given Name | Martha H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Rapho Twp. |
| 1935 Residence (County) | Lancaster |
| Industry | Home |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Martha Long across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Long
Daughter · 1940 · age 17 · b. ~1923 · Pennsylvania
★ You are viewing this record
Sibling
Mary Long
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Silas Long
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isaac Long
Sibling · 1940 · age 14
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 — Lancaster-County, Pennsylvania
Open full size
1940 US Federal Census — Lancaster-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03534-00775)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jacob M. Herr | 57 | Head | Operator | Pennsylvania |
| 42 | Elizabeth Herr | 53 | Wife | — | Pennsylvania |
| 43 | Warren H. Herr | 21 | Son | Laborer | Pennsylvania |
| 44 | Martin Herr | 12 | Son | — | Pennsylvania |
| 45 | Esther Herr | 11 | Daughter | — | Pennsylvania |
| 46 | Frank S. Gibble | 60 | Head | Operator | Pennsylvania |
| 47 | Katie B. Gibble | 49 | Wife | — | Pennsylvania |
| 48 | Elam B. Gibble | 22 | Son | Laborer | Pennsylvania |
| 49 | Samuel B. Long | 52 | Head | Operator | Pennsylvania |
| 50 | Jennie M. Long | 55 | Wife | — | Pennsylvania |
| 51 | Silas H. Long | 20 | Son | Laborer | Pennsylvania |
| 52 | Mary H. Long | 24 | Daughter | Maid | Pennsylvania |
| 53 | Martha H. Long THIS PERSON | 17 | Daughter | — | Pennsylvania |
| 54 | Isaac H. Long | 14 | Son | — | Pennsylvania |
| 55 | David H. Shenk | 49 | Head | Operator | Pennsylvania |
| 56 | Katie D. Shenk | 47 | Wife | — | Pennsylvania |
| 57 | Clayton L. Shenk | 21 | Son | Laborer | Pennsylvania |
| 58 | Dorothy G. Shenk | 14 | Daughter | — | Pennsylvania |
| 59 | Betty Jane Shenk | 11 | Daughter | — | Pennsylvania |
| 60 | David Jr. Shenk | 7 | Son | — | Pennsylvania |
| 61 | Samuel R. Gibble | 53 | Head | Operator | Pennsylvania |
| 62 | Mary K. Gibble | 52 | Wife | — | Pennsylvania |
| 63 | Ben S. Hollinger | 26 | Head | Operator | Pennsylvania |
| 64 | Ruth M. Hollinger | 26 | Wife | — | Pennsylvania |
| 65 | Robert G. Hollinger | 5 | Son | — | Pennsylvania |
| 66 | Andrew P. Herr | 51 | Head | Operator | Pennsylvania |
| 67 | Stella E. Herr | 49 | Wife | — | Pennsylvania |
| 68 | Helen E. Herr | 17 | Daughter | — | Pennsylvania |
| 69 | Adam Brehm | 48 | Hired man | Laborer | Pennsylvania |
| 70 | Charles S. Nace | 35 | Head | Shoe Worker | Pennsylvania |
| 71 | Annie Elizabeth Nace | 30 | Wife | — | Pennsylvania |
| 72 | Charles Walton Nace | 2 | Son | — | Pennsylvania |
| 73 | Ralph Herbert Nace | 2 | Son | — | Pennsylvania |
| 74 | Norman L. Ruhl | 42 | Head | Operator | Pennsylvania |
| 75 | Ada Mae Ruhl | 41 | Wife | — | Pennsylvania |
| 76 | Samuel S. Eshleman | 33 | Head | Operator | Pennsylvania |
| 77 | Violet G. Eshleman | 33 | Wife | — | Pennsylvania |
| 78 | Evelyn H. Eshleman | 10 | Daughter | — | Pennsylvania |
| 79 | Joseph S. Eshleman | 25 | Head | Salesman | Pennsylvania |
| 80 | Emilie J. Eshleman | 27 | Wife | Seamstress | 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)