DM
David Martin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Lancaster, Pennsylvania
Our Model Tree links this David Martin across the 1900, 1910 and 1920 US Censuses in Lancaster, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1843), then head of a 9-person household.
Age 77
b. ~1843
Male
Head
Born: Pennsylvania
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Lancaster, Pennsylvania |
| Surname | Martin |
| Given Name | David E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Lancaster City |
| Est. Birth Year | ~1843 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Mary Masch | Daughter | — | 43 | ~1877 |
| David Martin | Head | — | 77 | ~1843 |
| Abram Coby | Other | — | 43 | ~1877 |
| Eugene Masch | Other | — | 6 | ~1914 |
| Catherine Masch | Other | — | 7 | ~1913 |
| Roy Martin | Other | — | 26 | ~1894 |
| Anselm Coby | Other | — | 52 | ~1868 |
| Sarah Coby | Other | — | 26 | ~1894 |
| Isaac Coby | Other | — | 63 | ~1857 |
Census Appearances
1900
Lancaster, Pennsylvania
Head, age 58
Lancaster, Pennsylvania · implied b. ~1842 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | David H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | Dec |
| Birth Year | 1842 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Merchant |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Lancaster, Pennsylvania
Head, age 67
Lancaster, Pennsylvania · implied b. ~1843 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | David G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 45 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Lancaster, Pennsylvania
Head, age 77
Lancaster, Pennsylvania · implied b. ~1843 — 9 household members
| Surname | Martin |
| Given Name | David E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| 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 David Martin across 3 US Census years (1900, 1910 and 1920) in Lancaster, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
David Martin
Head · 1920 · age 77 · b. ~1843 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Lancaster, Pennsylvania
Open full size
1920 US Federal Census — Lancaster, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1583unit:0604)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ella C. Barnard | 43 | Wife | None | Pennsylvania |
| 52 | M. Everett Barnard | 17 | son | None | Pennsylvania |
| 53 | Dorothy C. Barnard | 15 | daughter | None | Pennsylvania |
| 54 | Ella M. Detheffer | 62 | Head | None | Pennsylvania |
| 55 | Lottie M. Detheffer | 40 | cousin | Book-Keeper | Pennsylvania |
| 56 | Catherine Brubaker | 34 | daughter | None | Ohio |
| 57 | Harry J. Andrews | 54 | Head | Coal Dealer | Pennsylvania |
| 58 | Paul D. Andrews | 20 | son | None | Pennsylvania |
| 59 | F. Emerson Andrews | 18 | son | None | Pennsylvania |
| 60 | Louisa L. Wagner | 71 | servant | Housekeeper | Pennsylvania |
| 61 | Amelia J. Lukamp | 69 | Head | None | Pennsylvania |
| 62 | Amelia C. Lukamp | 32 | daughter | Teacher | Pennsylvania |
| 63 | Joseph J. Fratantonio | 34 | son-in-law | Musician Director | Pennsylvania |
| 64 | Margaret C. Fratantonio | 34 | daughter | None | Pennsylvania |
| 65 | Harry J. Stumpf | 46 | Head | Contractor | Pennsylvania |
| 66 | Mary E. Stumpf | 40 | wife | None | Pennsylvania |
| 67 | Marian J. Stumpf | 16 | daughter | None | Pennsylvania |
| 68 | Richard W. Stumpf | 13 | son | None | Pennsylvania |
| 69 | Ruth B. Stumpf | 6 | daughter | None | Pennsylvania |
| 70 | Helen M. Stumpf | 3 | daughter | None | Pennsylvania |
| 71 | Geo. K. Laman | 41 | Head | Commercial Traveler | Pennsylvania |
| 72 | Mayme Laman | 39 | wife | None | Pennsylvania |
| 73 | Anna Dokker | 49 | boarder | Tipper | Pennsylvania |
| 74 | Harry Jr. Mear | 57 | Head | Auctioneer | Pennsylvania |
| 75 | Ella J. Mear | 54 | wife | None | Pennsylvania |
| 76 | Margaret Diehl | 83 | Head | None | Pennsylvania |
| 77 | Margaret Mcevoy | 53 | daughter | Seamstress | Pennsylvania |
| 78 | Elizabeth M. Mcevoy | 33 | grand daughter | None | Pennsylvania |
| 79 | Betty Jane Mcevoy | 3 | adopted daughter | None | New York |
| 80 | Eugene B. Uniss | 45 | Head | Proprietor | Pennsylvania |
| 81 | Marie D. Uniss | 39 | wife | None | Pennsylvania |
| 82 | William H. Uniss | 14 | son | None | Pennsylvania |
| 83 | Richard Uniss | 8 | son | None | Pennsylvania |
| 84 | Thomas J. Uniss | 5 | son | None | Pennsylvania |
| 85 | George W. Lewis | 48 | Head | Laborer | Pennsylvania |
| 86 | Robert F. Davis | 58 | Head | Finisher | Pennsylvania |
| 87 | Katherine M. Davis | 47 | wife | None | Germany |
| 88 | Robert P. Davis | 9 | son | None | Pennsylvania |
| 89 | Charles A. Hagans | 38 | boarder | Laborer | Ireland |
| 90 | Clemens Lutsky | 46 | Head | Janitor | Pennsylvania |
| 91 | David E. Martin THIS PERSON | 77 | Head | None | Pennsylvania |
| 92 | Mary E. Masch | 43 | daughter | Cigar Maker | Pennsylvania |
| 93 | Roy H. Martin | 26 | grandson | Messenger | Pennsylvania |
| 94 | Catherine Masch | 7 | grand daughter | None | Pennsylvania |
| 95 | Eugene L. Masch | 6 | grandson | None | Pennsylvania |
| 96 | Isaac R. Coby | 63 | brother-in-law | None | Pennsylvania |
| 97 | Abram H. Coby | 43 | nephew | Lumberman | Pennsylvania |
| 98 | Sarah R. Coby | 26 | niece | Chambermaid | Pennsylvania |
| 99 | Anselm S. Coby | 52 | nephew | Nightwatchman | Pennsylvania |
| 100 | Isaac N. Coby | 48 | Head | Cigar Maker | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)