DM
David Martin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this David Martin across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 5-person household.
Age 46
b. ~1874
Male
Head
Born: Pennsylvania
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Martin |
| Given Name | David E. Sr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Auto Repair Shop |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Proprietor |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1874 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Grace Martin | Daughter | — | 23 | ~1897 |
| David Martin | Head | — | 46 | ~1874 |
| David Martin | Son | — | 21 | ~1899 |
| Howard Martin | Son | — | 18 | ~1902 |
| Emma Martin | Spouse | — | 45 | ~1875 |
Census Appearances
1900
Allegheny, Pennsylvania
Head, age 27
Allegheny, Pennsylvania · implied b. ~1873 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | David E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | Nov |
| Birth Year | 1873 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | January Engineer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Head, age 36
Allegheny, Pennsylvania · implied b. ~1874 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | David C Sr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 17 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Repairer |
| Industry | Autos |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Head, age 46
Allegheny, Pennsylvania · implied b. ~1874 — 5 household members
| Surname | Martin |
| Given Name | David E. Sr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Proprietor |
| Industry | Auto Repair Shop |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
David Martin
Head · 1920 · age 46 · b. ~1874 · 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 — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1517unit:1106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sadie C. Gallagher | 27 | Sister-in-law | Printing & Binding | Ireland |
| 2 | Emma C. Gallagher | 24 | Sister-in-law | Sales Lady | Ireland |
| 3 | Robert P. Reed | 24 | Roomer | Coal Operator | Pennsylvania |
| 4 | Archer N. Martin | 29 | Roomer | Manager | Pennsylvania |
| 5 | Frank M. Ent | 41 | Head | Sales Manager | Pennsylvania |
| 6 | Theresa G. Ent | 37 | Wife | — | Pennsylvania |
| 7 | Edward A. Williams | 58 | Head | Proprietor | New York |
| 8 | Catherine A. Williams | 60 | Wife | — | Ohio |
| 9 | Arthur W. Williams | 26 | Son | Commercial Traveler | Ohio |
| 10 | Charles J. Mcguigan | 58 | Head | Conductor | Pennsylvania |
| 11 | Lou B. Mcguigan | 42 | Wife | — | Pennsylvania |
| 12 | David E. Sr. Martin THIS PERSON | 46 | Head | Proprietor | Pennsylvania |
| 13 | Emma M. Martin | 45 | Wife | — | Pennsylvania |
| 14 | Grace M. Martin | 23 | Daughter | Teacher | Pennsylvania |
| 15 | David E. Jr. Martin | 21 | Son | Bookkeeper | Pennsylvania |
| 16 | Howard W. Martin | 18 | Son | — | Pennsylvania |
| 17 | Carlin H. Sr. Terrey | 51 | Head | Heater | Indiana |
| 18 | Mary B. Terrey | 51 | Wife | Manager | Indiana |
| 19 | Russell T. Terrey | 29 | Son | Commercial Traveler | Indiana |
| 20 | Carlin H. Jr. Terrey | 9 | Son | — | Indiana |
| 21 | Elizabeth Davis | 28 | Roomer | Cleaner | Pennsylvania |
| 22 | Joseph L. Blankenship | 27 | Roomer | Stenographer | Tennessee |
| 23 | James Karakazos | 30 | Roomer | Cook | Greece |
| 24 | Thomas N. Mccreary | 37 | Head | Electrician | Pennsylvania |
| 25 | Elizabeth Mccreary | 35 | Wife | — | Pennsylvania |
| 26 | Edward L. Mccreary | 12 | Son | — | Pennsylvania |
| 27 | Gaelibal Cadman | 36 | Head | Skilled Laborer | England |
| 28 | Rosa F. Cadman | 31 | Wife | — | Pennsylvania |
| 29 | Charles L. Brower | 30 | Head | Salesman | Virginia |
| 30 | Leonore L. Brower | 24 | Wife | Stenographer | Michigan |
| 31 | Elmer M. Parker | 30 | Head | Civil Engineer | New York |
| 32 | Margaret P. Parker | 27 | Wife | — | Ohio |
| 33 | Margaret J.D. Kearns | 42 | Head | — | Pennsylvania |
| 34 | Edward F. | 28 | Step son | Bookkeeper | Pennsylvania |
| 35 | Elizabeth M. | 20 | Daughter | Teacher | Pennsylvania |
| 36 | Gertrude S. | 18 | Daughter | Teacher | Pennsylvania |
| 37 | Naomi J. | 16 | Daughter | — | Pennsylvania |
| 38 | Inez J. | 14 | Daughter | — | Pennsylvania |
| 39 | Mary E. Merkamp | 43 | Head | — | Pennsylvania |
| 40 | Mansfield J. | 20 | Step son | Electrician | Pennsylvania |
| 41 | James | 9 | Son | — | Pennsylvania |
| 42 | Mary E. | 5 | Daughter | — | Pennsylvania |
| 43 | Lawrence | 4 | Son | — | Pennsylvania |
| 44 | William J. Kennedy | 24 | Roomer | Draftsman | Idaho |
| 45 | Samuel Crosby | 40 | Roomer | Carpenter | England |
| 46 | William R. Mitchel | 47 | Head | Editor | Pennsylvania |
| 47 | Agnes C. | 50 | Sister | — | Pennsylvania |
| 48 | Eleanor V. | 41 | Sister | Teacher | Pennsylvania |
| 49 | Emma M. Smith | 35 | Sister | Stenographer | Pennsylvania |
| 50 | Lawrence R. | 7 | Nephew | — | Pennsylvania |
Related Census Records
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)