DM
David Martin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lancaster, Pennsylvania
Our Model Tree links this David Martin across the 1920 and 1930 US Censuses in Lancaster, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1900), then head of a 9-person household.
Age 30
b. ~1900
Male
Son
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Lancaster, Pennsylvania |
| Surname | Martin |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | R. R. Clerk |
| Industry | Freight Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | R. R. Clerk |
| Township / Ward | Paradise Village |
| Est. Birth Year | ~1900 |
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 1930 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Mildred Martin | Daughter | — | 6 | ~1924 |
| Anna Martin | Daughter | — | 33 | ~1897 |
| Minnie Martin | Daughter | — | 30 | ~1900 |
| Barbara Martin | Head | — | 66 | ~1864 |
| David Martin | Son | — | 30 | ~1900 |
| David Martin | Son | — | 4 | ~1926 |
| J Martin | Son | — | 1 | ~1929 |
| Richard Martin | Son | — | 9 | ~1921 |
| Mildred Martin | Spouse | — | 31 | ~1899 |
Census Appearances
1920
Lancaster, Pennsylvania
Son, age 20
Lancaster, Pennsylvania · implied b. ~1900 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lancaster, Pennsylvania
Son, age 30
Lancaster, Pennsylvania · implied b. ~1900 — 9 household members
| Surname | Martin |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | R. R. Clerk |
| Industry | Freight Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 2 US Census years (1920 and 1930) in Lancaster, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
David Martin
Son · 1930 · age 30 · b. ~1900 · Pennsylvania
★ You are viewing this record
Sibling
Mildred Martin
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Martin
Sibling · 1930 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Martin
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Martin
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Martin
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Martin
Sibling · 1930 · age 1
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
1930 US Federal Census — Lancaster, Pennsylvania
Open full size
1930 US Federal Census — Lancaster, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2058:0988)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | L. M. Wickersham | 70 | Head | — | Missouri |
| 52 | Sally J. Wickersham | 44 | Daughter | — | Pennsylvania |
| 53 | Galen P. Wood | 59 | Head | Carpenter | Pennsylvania |
| 54 | Rachel J. Wood | 51 | Wife | — | Pennsylvania |
| 55 | Emory M. Wood | 24 | Son | Laborer | Pennsylvania |
| 56 | Newton Wood | 18 | Son | — | Pennsylvania |
| 57 | Viola M. Wood | 14 | Daughter | — | Pennsylvania |
| 58 | Emma J. Wood | 12 | Wife | — | Pennsylvania |
| 59 | Israel Hummer | 51 | Head | Laborer | Pennsylvania |
| 60 | George H. Drew | 58 | Head | Director | Pennsylvania |
| 61 | Emma C. Drew | 56 | Wife | — | Pennsylvania |
| 62 | Adam J. Rossier | 48 | Head | Carpenter | Pennsylvania |
| 63 | Marie F. Rossier | 46 | Wife | — | Pennsylvania |
| 64 | Stella M. Rossier | 21 | Daughter | Cigar Maker | Pennsylvania |
| 65 | Anna L. Rossier | 18 | Daughter | Handkerchief Maker | Pennsylvania |
| 66 | Ellen M. Rossier | 15 | Daughter | — | Pennsylvania |
| 67 | Arthur J. Rossier | 12 | Son | — | Pennsylvania |
| 68 | Kenneth L. Rossier | 8 | Son | — | Pennsylvania |
| 69 | Dean M. Rossier | 5 | Daughter | — | Pennsylvania |
| 70 | Martin H. Eby | 69 | Head | — | Pennsylvania |
| 71 | Lizzie A. Eby | 62 | Wife | — | Pennsylvania |
| 72 | Arthur L. Lehman | 33 | Head | Salesman | Pennsylvania |
| 73 | Anna L. Lehman | 36 | Wife | — | Pennsylvania |
| 74 | Leon B. Lehman | 3 | Son | — | Pennsylvania |
| 75 | Barbara Martin | 66 | Head | — | Pennsylvania |
| 76 | Anna Martin | 33 | Daughter | Bookkeeper | Pennsylvania |
| 77 | Minnie Martin | 30 | Daughter | — | Pennsylvania |
| 78 | David Martin THIS PERSON | 30 | Son | R. R. Clerk | Pennsylvania |
| 79 | Mildred Martin | 31 | Wife | — | Pennsylvania |
| 80 | Richard Martin | 9 | Son | — | Pennsylvania |
| 81 | Mildred Martin | 6 | Daughter | — | Pennsylvania |
| 82 | David Martin | 4 | Son | — | Pennsylvania |
| 83 | J. Robert Martin | 1 | Son | — | Pennsylvania |
| 84 | John S. Rohrer | 78 | Head | Laborer | Pennsylvania |
| 85 | Susanna Rohrer | 71 | Wife | — | Pennsylvania |
| 86 | Harry Rohrer | 25 | Son | Laborer | Pennsylvania |
| 87 | Maurice Zimmerman | 58 | Head | Dealer | Pennsylvania |
| 88 | Ida E. Zimmerman | 56 | Wife | — | Pennsylvania |
| 89 | John E. Denman | 36 | Head | Manager | Pennsylvania |
| 90 | Fannie S. Denman | 38 | Wife | — | Pennsylvania |
| 91 | John S. Denman | 9 | Son | — | Pennsylvania |
| 92 | Herbert Sheaffer | 32 | Head | Postal | Pennsylvania |
| 93 | Mary E. Sheaffer | 33 | Wife | — | Pennsylvania |
| 94 | Mary E. Sheaffer | 7 | Daughter | — | Pennsylvania |
| 95 | Ira Singer | 57 | Head | Telegrapher | Pennsylvania |
| 96 | Alice E. Singer | 54 | Wife | — | Pennsylvania |
| 97 | Alice M. Ruch | 58 | Head | — | Pennsylvania |
| 98 | Sarah M. Ruch | 33 | Daughter | Helper | Pennsylvania |
| 99 | Walter M. Ruch | 26 | Son | Hardware | Pennsylvania |
| 100 | William Drew | 43 | Head | Manager | Pennsylvania |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)