RM
Ralph Martin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Lackawanna, Pennsylvania
Our Model Tree links this Ralph Martin across the 1910 and 1920 US Censuses in Lackawanna, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1905), then head of a 9-person household.
Age 15
b. ~1905
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Lackawanna, Pennsylvania |
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | Coal Breaker |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Moosic Borough |
| Est. Birth Year | ~1905 |
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 Ralph | Age | Birth yr |
|---|---|---|---|---|
| Helen Martin | Daughter | — | 13 | ~1907 |
| Elizabeth Martin | Daughter | — | 20 | ~1900 |
| Joseph Martin | Son | — | 25 | ~1895 |
| Ralph Martin | Son | — | 15 | ~1905 |
| Sarah Martin | Daughter | — | 22 | ~1898 |
| William Martin | Son | — | 10 | ~1910 |
| James Martin | Head | — | 55 | ~1865 |
| Gertrude Martin | Daughter | — | 17 | ~1903 |
| Bridget Martin | Spouse | — | 46 | ~1874 |
Census Appearances
1910
Lackawanna, Pennsylvania
Son, age 3
Lackawanna, Pennsylvania · implied b. ~1907 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ralp |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Lackawanna, Pennsylvania
Son, age 15
Lackawanna, Pennsylvania · implied b. ~1905 — 9 household members
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Coal Breaker |
| Class of Worker | W |
| 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 Ralph Martin across 2 US Census years (1910 and 1920) in Lackawanna, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Ralph Martin
Son · 1920 · age 15 · b. ~1905 · Pennsylvania
★ You are viewing this record
Sibling
Helen Martin
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Martin
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Martin
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Martin
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Martin
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Martin
Sibling · 1920 · age 17
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
1920 US Federal Census — Lackawanna, Pennsylvania
Open full size
1920 US Federal Census — Lackawanna, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1578unit:0209)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Manzio Mose | 27 | Boarder | — | Italy |
| 52 | Pauline Mose | 65 | Boarder | — | Italy |
| 53 | Dominic Zazziso | 34 | Boarder | — | Italy |
| 54 | Anthony Peluso | 29 | Boarder | Repairman | Italy |
| 55 | Joseph Dalessandro | 23 | Boarder | Laborer | Italy |
| 56 | Michael Arany | 25 | Head | Laborer | Pennsylvania |
| 57 | Mary Arany | 19 | Wife | — | Pennsylvania |
| 58 | William H. Flood | 53 | Head | Fireman | Ireland |
| 59 | Julia Flood | 39 | Wife | — | Ireland |
| 60 | John J. Flood | 21 | Son | Clerk | Pennsylvania |
| 61 | Marie G. Flood | 15 | Daughter | — | Pennsylvania |
| 62 | Carrie Cunningham | 50 | Head | — | New Jersey |
| 63 | Karl Cunningham | 24 | Son | — | Pennsylvania |
| 64 | Frank L. Cunningham | 19 | Son | Clerk | Pennsylvania |
| 65 | Louise Cunningham | 17 | Daughter | — | Pennsylvania |
| 66 | Joseph Cunningham | 5 | Son | — | Pennsylvania |
| 67 | Philip Cunningham | 3 | Son | — | Pennsylvania |
| 68 | Laura Waran | 52 | Head | Teacher | Connecticut |
| 69 | Michael J. Waran | 49 | Brother | Lawyer | New Jersey |
| 70 | Robert Lewis | 27 | Head | Brakeman | Pennsylvania |
| 71 | Mary Lewis | 24 | Wife | — | Syria |
| 72 | Joseph Lewis | 9 | Son | — | Pennsylvania |
| 73 | George Lewis | 7 | Son | — | Pennsylvania |
| 74 | Mary Lewis | 5 | Daughter | — | Pennsylvania |
| 75 | Phyllis Lewis | 2 | Son | — | Pennsylvania |
| 76 | Florence Lewis | 0 | Daughter | — | Pennsylvania |
| 77 | Bridget Nolan | 70 | Head | — | Ireland |
| 78 | Thomas Nolan | 47 | Son | Laborer | Ireland |
| 79 | John Nolan | 34 | Son | Laborer | Ireland |
| 80 | Evan Thomas | 58 | Head | Miner | Wales |
| 81 | Jane Thomas | 53 | Wife | — | Wales |
| 82 | David Lewis | 31 | Head | Car Runner | Wales |
| 83 | William Lewis | 26 | Brother | Laborer | Wales |
| 84 | Stanley Lewis | 17 | Brother | Inside Driver | Wales |
| 85 | Melvin Clune | 42 | Head | Fireman | Pennsylvania |
| 86 | Ella Clune | 41 | Wife | — | Pennsylvania |
| 87 | William Clune | 21 | Son | Laborer | Pennsylvania |
| 88 | Catherine Clune | 17 | Daughter | — | Pennsylvania |
| 89 | Nellie Clune | 12 | Daughter | — | Pennsylvania |
| 90 | William Clune | 72 | Father-in-Law | — | United States |
| 91 | James E. Martin | 55 | Head | Laborer | Pennsylvania |
| 92 | Bridget Martin | 46 | Wife | — | Pennsylvania |
| 93 | Joseph Martin | 25 | Son | Machinist | Pennsylvania |
| 94 | Sarah M. Martin | 22 | Daughter | Stenographer | Pennsylvania |
| 95 | Elizabeth Martin | 20 | Daughter | — | Pennsylvania |
| 96 | Gertrude Martin | 17 | Daughter | — | Pennsylvania |
| 97 | Ralph Martin THIS PERSON | 15 | Son | Laborer | Pennsylvania |
| 98 | Helen Martin | 13 | Daughter | — | Pennsylvania |
| 99 | William Martin | 10 | Son | — | Pennsylvania |
| 100 | Bridget Devitt | 69 | Head | — | Ireland |
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)