DM
Dorothy Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lancaster-County, Pennsylvania
Our Model Tree links this Dorothy Martin across the 1920, 1930 and 1940 US Censuses in Lancaster-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Flora & George — first a daughter (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lancaster-County, Pennsylvania |
| Surname | Martin |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Lancaster City |
| 1935 Residence (County) | Lancaster |
| Additional Details | |
| Highest Grade | No 6 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Lancaster City |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Martin | Daughter | — | 28 | ~1912 |
| George Martin | Head | — | 59 | ~1881 |
| Flora Martin | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Lancaster, Pennsylvania
Daughter, age 5
Lancaster, Pennsylvania · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lancaster, Pennsylvania
Daughter, age 16
Lancaster, Pennsylvania · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Dorothy M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lancaster-County, Pennsylvania
Daughter, age 28
Lancaster-County, Pennsylvania · implied b. ~1912 — 3 household members
| Surname | Martin |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Lancaster City |
| 1935 Residence (County) | Lancaster |
| Highest Grade | No 6 |
| 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 Dorothy Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Flora Martin (~0.92 confidence) and father George Martin (~0.92 confidence) and father Mahlon Martin (~0.92 confidence) and father William Martin (~0.92 confidence) and mother Maggie Martin (~0.92 confidence) and mother Elsie Martin (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Flora Martin
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
George Martin
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Mahlon Martin
b. ~1887
Source father
● Household
· direct · ~0.92
Father
William Martin
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Maggie Martin
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Elsie Martin
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Martin
Daughter · 1940 · age 28 · b. ~1912 · Pennsylvania
★ You are viewing this record
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
39 people indexed on this census page (nara:1940:m-t0627-03531-00071)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Mcelroy | 20 | Son | Soft Water Bus | Pennsylvania |
| 42 | Harvey Stauffer | 51 | Head | Linoleum Company | Pennsylvania |
| 43 | Mae Stauffer | 54 | Wife | — | Pennsylvania |
| 44 | Elmer Hoffman | 41 | Head | Railroad Company | Pennsylvania |
| 45 | Rhoda Hoffman | 43 | Wife | Cigar Company | Pennsylvania |
| 46 | Joseph Graham | 43 | Head | Electric Truck Line | Ohio |
| 47 | Catherine Graham | 39 | Wife | — | Illinois |
| 48 | Wayne Graham | 17 | Daughter | — | Illinois |
| 49 | William Graham | 15 | Son | — | Illinois |
| 50 | Louis Graham | 13 | Son | — | Illinois |
| 51 | Marcella Graham | 5 | Daughter | — | Illinois |
| 52 | Charles Cunningham | 30 | Head | Public School | Pennsylvania |
| 53 | Alma Cunningham | 32 | Wife | Cigar Co | Pennsylvania |
| 54 | Doris Cunningham | 11 | Daughter | — | Pennsylvania |
| 55 | Gladys Wilson | 27 | Head | Diner | Pennsylvania |
| 56 | Benj Provitt | 68 | Head | Linoleum Co | Pennsylvania |
| 57 | Malinda Provitt | 63 | Wife | — | Ohio |
| 58 | Robert Provitt | 19 | Son | Food Shop | Pennsylvania |
| 59 | George Martin | 59 | Head | Freight Station | Pennsylvania |
| 60 | Flora Martin | 63 | Wife | — | Pennsylvania |
| 61 | Dorothy Martin THIS PERSON | 28 | Daughter | — | Pennsylvania |
| 62 | Morris A Madera | 64 | Head | Industrial Machinery | Pennsylvania |
| 63 | Lilla Madera | 65 | Wife | — | Pennsylvania |
| 64 | Catherine Madera | 36 | Daughter | Drugstore | Pennsylvania |
| 65 | Luther Madera | 25 | Son | Watch Co | Pennsylvania |
| 66 | Louis Madera | 23 | Son | Linoleum Plant | Pennsylvania |
| 67 | Helen Ziegler | 33 | Daughter | — | Pennsylvania |
| 68 | Michael Wolf | 68 | Head | Printing Comp | Pennsylvania |
| 69 | Mary Wolf | 69 | Wife | — | Pennsylvania |
| 70 | Catherine Wolf | 32 | Daughter | Silk Mill | Pennsylvania |
| 71 | Emma Byberly | 42 | Daughter | Silk Mill | Pennsylvania |
| 72 | Babette Byberly | 19 | G-child | Steam Security Administration | Pennsylvania |
| 73 | Robert Byberly | 17 | G-child | — | Pennsylvania |
| 74 | Robert Buckter | 56 | Head | Linoleum Plant | Pennsylvania |
| 75 | Mary Buckter | 56 | Wife | — | Pennsylvania |
| 76 | Oscar Mccauley | 19 | G-child | — | Pennsylvania |
| 77 | William Austin | 69 | Head | Construction | Pennsylvania |
| 78 | Minnie Austin | 63 | Wife | — | Pennsylvania |
| 79 | James Deross | 43 | Lodger | Silk Mill | Ohio |
Pedigree Summary
Dorothy
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)