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James Mccormick — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this James Mccormick across the 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 10-person household.
Age 18
b. ~1912
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | McCormick |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Clerk |
| Industry | Pharma Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1912 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Helen Mccormick | Daughter | — | 16 | ~1914 |
| Alice Mccormick | Daughter | — | 14 | ~1916 |
| Elizabeth Mccormick | Daughter | — | 10 | ~1920 |
| Catherine Mccormick | Daughter | — | 11 | ~1919 |
| Louise Mccormick | Daughter | — | 21 | ~1909 |
| Harry Mccormick | Head | — | 50 | ~1880 |
| Oscar Mccormick | Son | — | 23 | ~1907 |
| John Mccormick | Son | — | 8 | ~1922 |
| James Mccormick | Son | — | 18 | ~1912 |
| Louise Mccormick | Spouse | — | 48 | ~1882 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 8
Philadelphia, Pennsylvania · implied b. ~1912 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 18
Philadelphia, Pennsylvania · implied b. ~1912 — 10 household members
| Surname | McCormick |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Germany |
| Occupation | Clerk |
| Industry | Pharma Co |
| 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 James Mccormick across 2 US Census years (1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
James Mccormick
Son · 1930 · age 18 · b. ~1912 · Pennsylvania
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Sibling
John Mccormick
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oscar Mccormick
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Mccormick
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mccormick
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mccormick
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mccormick
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Mccormick
Sibling · 1930 · age 21
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:fifteenthcensus00reel2100:0901)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ben Hatt | 35 | Lodger | Soliciting | Ireland |
| 52 | Joseph Blackman | 62 | Lodger | Compositor | New York |
| 53 | Robert Mayberry | 22 | Lodger | Clerk | Pennsylvania |
| 54 | Alfred Herbert | 60 | Lodger | Collector | Pennsylvania |
| 55 | Victor Spencer | 30 | Lodger | Solicitor | Pennsylvania |
| 56 | Richard Hollingsworth | 67 | Head | Proprietor | Germany |
| 57 | Eva Hollingsworth | 72 | Wife | — | Germany |
| 58 | Pearl Sims | 77 | Head | — | Pennsylvania |
| 59 | Julius Ruger | 43 | Head | Salesman | Germany |
| 60 | Sarah Ruger | 38 | Wife | — | Russia |
| 61 | Roslyn Ruger | 19 | Daughter | Clerk | Pennsylvania |
| 62 | Sylvia Ruger | 16 | Daughter | — | Pennsylvania |
| 63 | Mildred Ruger | 14 | Daughter | — | Pennsylvania |
| 64 | Lena Ruger | 5 | Daughter | — | Pennsylvania |
| 65 | George Place | 66 | Head | Foreman | Pennsylvania |
| 66 | Ella Place | 66 | Wife | — | Pennsylvania |
| 67 | George Place | 43 | Son | Clerk | Pennsylvania |
| 68 | William Place | 28 | Son | Clerk | Pennsylvania |
| 69 | Frank Place | 26 | Son | Clerk | Pennsylvania |
| 70 | William H Smith | 31 | Head | Agent | Pennsylvania |
| 71 | Rebecca Smith | 24 | Wife | — | New Jersey |
| 72 | William E Smith | 12 | Son | — | Pennsylvania |
| 73 | Eileen Smith | 10 | Daughter | — | Pennsylvania |
| 74 | Harry Mccormick | 50 | Head | Motorman | Pennsylvania |
| 75 | Louise Mccormick | 48 | Wife | — | Germany |
| 76 | Oscar Mccormick | 23 | Son | Service Man | Pennsylvania |
| 77 | Louise Mccormick | 21 | Daughter | Operator | Pennsylvania |
| 78 | James Mccormick THIS PERSON | 18 | Son | Clerk | Pennsylvania |
| 79 | Helen Mccormick | 16 | Daughter | — | Pennsylvania |
| 80 | Alice Mccormick | 14 | Daughter | — | Pennsylvania |
| 81 | Catherine Mccormick | 11 | Daughter | — | Pennsylvania |
| 82 | Elizabeth Mccormick | 10 | Daughter | — | Pennsylvania |
| 83 | John Mccormick | 8 | Son | — | Pennsylvania |
| 84 | William Walker | 70 | Head | Proprietor | New York |
| 85 | Louisa Walker | 58 | Wife | — | Pennsylvania |
| 86 | Harry Rule | 65 | Boarder | Salesman | Pennsylvania |
| 87 | — | None | — | — | — |
| 88 | Fred Budendorf | 56 | Head | Floor Walker | Pennsylvania |
| 89 | Marie Budendorf | 29 | Daughter | Stenographer | Pennsylvania |
| 90 | Joseph Budendorf | 26 | Son | Superintendent | Pennsylvania |
| 91 | William Budendorf | 21 | Son | Helper | Pennsylvania |
| 92 | John Budendorf | 19 | Son | Apprentice | Pennsylvania |
| 93 | George B Richard | 64 | Head | Superintendent | Pennsylvania |
| 94 | Margaret Richard | 57 | Wife | — | Pennsylvania |
| 95 | Marie E Richard | 31 | Daughter | Bookkeeper | Pennsylvania |
| 96 | Walter G Richard | 23 | Son | Helper | Pennsylvania |
| 97 | Isabella Richard | 19 | Daughter | Bookkeeper | Pennsylvania |
| 98 | Margaret Richard | 17 | Daughter | Stenographer | Pennsylvania |
| 99 | Mary A Mckee | 67 | Sister-in-law | — | Pennsylvania |
| 100 | Agnes Crosby | 47 | Sister-in-law | Dressmaker | Pennsylvania |
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)