WM
Walter Martin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Walter Martin across the 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Katherine — first a son (b.~1894), then head of a 9-person household.
Age 36
b. ~1894
Male
Son
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Martin |
| Given Name | Walter |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 31 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | civil engineer |
| Industry | corporation |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Civil Engineer |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1894 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Louise Martin | Daughter | — | 25 | ~1905 |
| Elizabeth Martin | Daughter | — | 30 | ~1900 |
| Ruby Martin | Daughter | — | 40 | ~1890 |
| Clara Martin | Daughter | — | 42 | ~1888 |
| Marie Martin | Daughter | — | 27 | ~1903 |
| Elizabeth Martin | Head | — | 62 | ~1868 |
| Sarah Kissell | Other | — | 55 | ~1875 |
| Dorothy Martin | Other | — | 29 | ~1901 |
| Walter Martin | Son | — | 36 | ~1894 |
Census Appearances
1910
Philadelphia, Pennsylvania
Son, age 13
Philadelphia, Pennsylvania · implied b. ~1897 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Other, age 24
Philadelphia, Pennsylvania · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Walter |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 36
Philadelphia, Pennsylvania · implied b. ~1894 — 9 household members
| Surname | Martin |
| Given Name | Walter |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 31 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | civil engineer |
| Industry | corporation |
| Class of Worker | W |
| Can Read/Write | 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 Walter Martin across 3 US Census years (1910, 1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage. Identified parents: father James Martin (~0.92 confidence) and mother Katherine Martin (~0.92 confidence) and mother Elizabeth Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Martin
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Katherine Martin
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Martin
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Martin
Son · 1930 · age 36 · b. ~1894 · Pennsylvania
★ You are viewing this record
Sibling
Elizabeth Martin
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Martin
Sibling · 1930 · age 42
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Martin
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Martin
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Martin
Sibling · 1930 · age 40
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 — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2130rs:0061)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marker Joseph Martin | 12 | son | None | Pennsylvania |
| 2 | Marker Thomas Martin | 10 | son | None | Pennsylvania |
| 3 | Paul Lauff | 36 | head | Supervisor | Pennsylvania |
| 4 | Edith Lauff | 34 | wife | None | Pennsylvania |
| 5 | Adeline Lauff | 13 | daughter | None | Pennsylvania |
| 6 | Dorothy Lauff | 11 | daughter | None | Pennsylvania |
| 7 | Howard Kueper | 43 | boarder | Machinist | Indiana |
| 8 | William Canfield | 57 | head | Stenographer | Pennsylvania |
| 9 | Mary B Canfield | 35 | wife | None | Pennsylvania |
| 10 | William Canfield | 14 | son | None | Pennsylvania |
| 11 | Aloysius Canfield | 12 | son | None | Pennsylvania |
| 12 | Eleanor Canfield | 10 | daughter | None | Pennsylvania |
| 13 | Edward Canfield | 7 | son | None | Pennsylvania |
| 14 | Joan Canfield | 6 | daughter | None | Pennsylvania |
| 15 | John Canfield | 4 | son | None | Pennsylvania |
| 16 | William Minzione | 38 | head | Tailor | Italy |
| 17 | Elizabeth Minzione | 23 | wife | Cigar Maker | New Jersey |
| 18 | Rita Minzione | 9 | daughter | None | Virginia |
| 19 | William Mchugh | 4 | son | None | Pennsylvania |
| 20 | Michael Cilio | 45 | head | Tailor | Italy |
| 21 | Lucy Cilio | 42 | wife | None | Italy |
| 22 | John Cilio | 22 | son | Operator | Italy |
| 23 | Charles Cilio | 21 | son | Operator | Italy |
| 24 | Joseph Cilio | 7 | son | None | Pennsylvania |
| 25 | John Checco | 34 | boarder | Tailor | Italy |
| 26 | Phillip Sommers | 66 | head | Tailor | Pennsylvania |
| 27 | Emily V Sommers | 41 | wife | None | Ireland |
| 28 | Jeanette Gordon | 63 | mother in law | None | Pennsylvania |
| 29 | Elizabeth Mcgowan | 60 | cousin | Operator | Pennsylvania |
| 30 | Richard Kennedy | 47 | head | Engineer | Pennsylvania |
| 31 | Florence Kennedy | 44 | wife | None | Pennsylvania |
| 32 | Bernard Kennedy | 15 | son | None | Pennsylvania |
| 33 | Theresa Kennedy | 12 | daughter | None | Pennsylvania |
| 34 | William Millington | 49 | head | Salesman | England |
| 35 | Naomi Millington | 49 | wife | None | Maryland |
| 36 | Arthur Rystram | 50 | lodger | Agent | Pennsylvania |
| 37 | Elizabeth Martin | 62 | head | None | Pennsylvania |
| 38 | Clara Martin | 42 | daughter | Stenographer | Pennsylvania |
| 39 | Ruby Martin | 40 | daughter | Nurse | Pennsylvania |
| 40 | Walter Martin THIS PERSON | 36 | son | Civil Engineer | Pennsylvania |
| 41 | Dorothy Martin | 29 | daughter in law | None | Pennsylvania |
| 42 | Elizabeth Martin | 30 | daughter | Nurse | Pennsylvania |
| 43 | Marie Martin | 27 | daughter | None | Pennsylvania |
| 44 | Louise Martin | 25 | daughter | None | Pennsylvania |
| 45 | Sarah Kissell | 55 | sister | None | Pennsylvania |
| 46 | Herman Schlueter | 50 | head | Machinist | Germany |
| 47 | Sarah Schlueter | 46 | wife | None | Pennsylvania |
| 48 | Herman Schlueter | 19 | son | Machinist | Pennsylvania |
| 49 | Blanche Schlueter | 17 | daughter | Cigar Maker | Pennsylvania |
| 50 | Frank Schlueter | 13 | son | None | Pennsylvania |
Pedigree Summary
Walter + 5 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)