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Harry Martin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Camden, New Jersey
Our Model Tree links this Harry Martin across the 1910, 1920 and 1930 US Censuses in Camden, New Jersey (XGBoost, ~Confirmed), with identified parents John & Margaret — first a son (b.~1897), then head of a 5-person household.
Age 33
b. ~1897
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Camden, New Jersey |
| Surname | Martin |
| Given Name | Harry L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Shipping Clerk |
| Industry | Wall Paper Mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Shipping Clerk |
| Township / Ward | Woodlynne Borough Part |
| Est. Birth Year | ~1897 |
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 1930 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Mary Martin | Daughter | — | 24 | ~1906 |
| John Martin | Head | — | 62 | ~1868 |
| Harry Martin | Son | — | 33 | ~1897 |
| George Martin | Son | — | 19 | ~1911 |
| Margaret Martin | Spouse | — | 56 | ~1874 |
Census Appearances
1910
Camden, New …
Son, age 12
Camden, New Jersey · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harry E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Camden, New …
Son, age 23
Camden, New Jersey · implied b. ~1897 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harry E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Salesman |
| Industry | Grocery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Camden, New …
Son, age 33
Camden, New Jersey · implied b. ~1897 — 5 household members
| Surname | Martin |
| Given Name | Harry L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Shipping Clerk |
| Industry | Wall Paper Mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Harry Martin across 3 US Census years (1910, 1920 and 1930) in Camden, New Jersey, using XGBoost record linkage. Identified parents: father John Martin (~0.92 confidence) and mother Margaret Martin (~0.92 confidence) and mother Margaret Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Martin
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Margaret Martin
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Margaret Martin
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Martin
Son · 1930 · age 33 · b. ~1897 · New Jersey
★ You are viewing this record
Sibling
Mary Martin
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Martin
Sibling · 1930 · age 19
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 — Camden, New Jersey
Open full size
1930 US Federal Census — Camden, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1325:0333)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edward Dubinsky | 51 | Head | Salesman | New Jersey |
| 52 | Edna Dubinsky | 40 | Wife | — | Pennsylvania |
| 53 | Wheat, Edna G Dubinsky | 18 | Daughter | Stenographer | Pennsylvania |
| 54 | Wheat, Georgia R Dubinsky | 15 | Daughter | — | Pennsylvania |
| 55 | John W Martin | 62 | Head | Shipping Clerk | Pennsylvania |
| 56 | Margaret M Martin | 56 | Wife | — | Pennsylvania |
| 57 | Harry L Martin THIS PERSON | 33 | Son | Shipping Clerk | New Jersey |
| 58 | Mary E Martin | 24 | Daughter | Stenographer | New Jersey |
| 59 | George L Martin | 19 | Son | — | New Jersey |
| 60 | Herbert C Dapp | 52 | Head | Cook | New Jersey |
| 61 | Sarah E Dapp | 51 | Wife | — | New Jersey |
| 62 | Gottlieb E Dapp | 23 | Son | Chauffeur | New Jersey |
| 63 | Robert D Dapp | 21 | Son | Mail Carrier | New Jersey |
| 64 | Thomas W Dapp | 20 | Son | Laborer | New Jersey |
| 65 | Florence Dapp | 21 | Lodger | Cutter | New Jersey |
| 66 | Dominic Venturo | 24 | Head | Bus Driver | Connecticut |
| 67 | Mary Venturo | 24 | Wife | — | Pennsylvania |
| 68 | Andrew Venturo | 3 | Son | — | New Jersey |
| 69 | Florence M Venturo | 0 | Daughter | — | New Jersey |
| 70 | Albert H Butler | 31 | Head | Salesman | New Jersey |
| 71 | Kathryn C Butler | 36 | Wife | — | Pennsylvania |
| 72 | Kathryn D Butler | 13 | Daughter | — | New Jersey |
| 73 | Albert H Jr Butler | 10 | Son | — | New Jersey |
| 74 | Jacqueline J Butler | 6 | Daughter | — | New Jersey |
| 75 | Harry C Zeiler | 65 | Head | Watchman | Pennsylvania |
| 76 | Ida S Zeiler | 63 | Wife | — | Pennsylvania |
| 77 | Enrique M Mohn | 48 | Head | — | Pennsylvania |
| 78 | Carl L Mohn | 27 | Son | Weaver | New Jersey |
| 79 | Myrtle L Mohn | 25 | Daughter | Bookkeeper | New Jersey |
| 80 | Walter C Mohn | 21 | Son | House Keeper | Pennsylvania |
| 81 | Nicholas N Grolen | 55 | Head | Watchman | New Jersey |
| 82 | Mary S Grolen | 52 | Wife | — | New Jersey |
| 83 | Charles L Grolen | 27 | Son | Laborer | New Jersey |
| 84 | Emma E Grolen | 21 | Daughter | Saleslady | New Jersey |
| 85 | David S Wilson | 61 | Lodger | Life Insur | North Ireland |
| 86 | Edward Flynn | 60 | Lodger | Repairman | New Jersey |
| 87 | Emma S Sparks | 61 | Head | — | New Jersey |
| 88 | Walter C Sparks | 23 | Son | Shipper | New Jersey |
| 89 | Vacant House | None | — | — | — |
| 90 | Randolph W Macdowell | 48 | Head | Foreman (Contract) | New Jersey |
| 91 | Mabel Macdowell | 47 | Wife | — | Delaware |
| 92 | Emeline Macdowell | 75 | Mother | — | New Jersey |
| 93 | Harry A Huber | 37 | Head | Machinist | Pennsylvania |
| 94 | Regina E Huber | 36 | Wife | — | New Jersey |
| 95 | Harry A Jr Huber | 15 | Son | — | New Jersey |
| 96 | Regina E Huber | 9 | Daughter | — | New Jersey |
| 97 | John J Reilly | 57 | Head | Laborer | Irish Free State |
| 98 | Emma E Read | 38 | Head | Saleslady | Pennsylvania |
| 99 | Conrad Read | 14 | Son | — | New Jersey |
| 100 | Floyd Adorn | 18 | Lodger | Helper | Pennsylvania |
Pedigree Summary
Harry + 2 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)