RM
Robert Mccormick — 1930 US Census Record
Linked across censuses1930 United States Federal Census · New York, New York
Our Model Tree links this Robert Mccormick across the 1930 and 1940 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 19-person household.
Age 8
b. ~1922
Male
Son
Born: New York
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | New York, New York |
| Surname | McCormick |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York City Manhattan Borough |
| Est. Birth Year | ~1922 |
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.
19 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| James Mccormick | Son | — | 22 | ~1908 |
| Margaret Mccormick | Daughter | — | 30 | ~1900 |
| John Mccormick | Son | — | 24 | ~1906 |
| George Mccormick | Son | — | 4 | ~1926 |
| Joseph Mccormick | Son | — | 26 | ~1904 |
| Francis Mccormick | Son | — | 16 | ~1914 |
| Richard Mccormick | Son | — | 6 | ~1924 |
| Joseph Mccormick | Son | — | ~1930 | |
| Sarah Mccormick | Daughter | — | 28 | ~1902 |
| Florence Mccormick | Daughter | — | 1 | ~1929 |
| Edward Mccormick | Son | — | 18 | ~1912 |
| William Mccormick | Son | — | ~1930 | |
| Thomas Mccormick | Son | — | 20 | ~1910 |
| Sarah Mccormick | Head | — | 60 | ~1870 |
| Mary Mccormick | Daughter | — | 2 | ~1928 |
| Catherine Mccormick | Daughter | — | 14 | ~1916 |
| Alice Mccormick | Daughter | — | 12 | ~1918 |
| Helen Mccormick | Daughter | — | 10 | ~1920 |
| Robert Mccormick | Son | — | 8 | ~1922 |
Census Appearances
1930
New York, …
Son, age 8
New York, New York · implied b. ~1922 — 19 household members
| Surname | McCormick |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
New-York-County, New …
Other, age 19
New-York-County, New York · implied b. ~1921 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormack |
| Given Name | Robert |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | N.Y. |
| 1935 Residence (County) | N.Y. |
| Occupation | Usher |
| Industry | Theatre |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 750 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Robert Mccormick across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Mccormick
Son · 1930 · age 8 · b. ~1922 · New York
★ You are viewing this record
Sibling
Richard Mccormick
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mccormick
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mccormick
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Mccormick
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mccormick
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mccormick
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mccormick
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mccormick
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mccormick
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mccormick
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mccormick
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccormick
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Mccormick
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mccormick
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mccormick
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mccormick
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mccormick
Sibling · 1930 · age 26
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 — New York, New York
Open full size
1930 US Federal Census — New York, New York
Page Contents
50 people indexed on this census page (ia:1930:newyorkcensus00reel1573:0114)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Lathrop | 40 | Head | Salesman | New York |
| 52 | Catherine Lathrop | 40 | Wife | — | New York |
| 53 | John Lathrop | 11 | Son | — | Virginia |
| 54 | Virginia Lathrop | 9 | Daughter | — | Virginia |
| 55 | Robert Lathrop | 7 | Son | — | Virginia |
| 56 | Richard Lathrop | 5 | Son | — | Virginia |
| 57 | William Lathrop | 3 | Son | — | Virginia |
| 58 | James Lathrop | 1 | Son | — | Virginia |
| 59 | Thomas Lathrop | 0 | Son | — | New York |
| 60 | John Boucher | 31 | Head | Clerk | New York |
| 61 | Anna Boucher | 31 | Wife | — | New York |
| 62 | John Boucher | 5 | Son | — | New York |
| 63 | William Boucher | 3 | Son | — | New York |
| 64 | Robert Boucher | 1 | Son | — | New York |
| 65 | Sarah Mccormick | 60 | Head | — | New York |
| 66 | Margaret Mccormick | 30 | Daughter | Stenographer | New York |
| 67 | Sarah Mccormick | 28 | Daughter | Stenographer | New York |
| 68 | Joseph Mccormick | 26 | Son | Clerk | New York |
| 69 | John Mccormick | 24 | Son | — | New York |
| 70 | James Mccormick | 22 | Son | Clerk | New York |
| 71 | Thomas Mccormick | 20 | Son | Clerk | New York |
| 72 | Edward Mccormick | 18 | Son | Clerk | New York |
| 73 | Francis Mccormick | 16 | Son | — | New York |
| 74 | Catherine Mccormick | 14 | Daughter | — | New York |
| 75 | Alice Mccormick | 12 | Daughter | — | New York |
| 76 | Helen Mccormick | 10 | Daughter | — | New York |
| 77 | Robert Mccormick THIS PERSON | 8 | Son | — | New York |
| 78 | Richard Mccormick | 6 | Son | — | New York |
| 79 | George Mccormick | 4 | Son | — | New York |
| 80 | Mary Mccormick | 2 | Daughter | — | New York |
| 81 | Florence Mccormick | 1 | Daughter | — | New York |
| 82 | William Mccormick | 0 | Son | — | New York |
| 83 | Joseph Mccormick | 0 | Son | — | New York |
| 84 | James Coyle | 40 | Head | Clerk | New York |
| 85 | Anna Coyle | 40 | Wife | — | New York |
| 86 | Edward Coyle | 10 | Son | — | New York |
| 87 | James Coyle | 8 | Son | — | New York |
| 88 | Cecelia Coyle | 6 | Daughter | — | New York |
| 89 | William Coyle | 4 | Son | — | New York |
| 90 | Robert Coyle | 2 | Son | — | New York |
| 91 | Mary Coyle | 1 | Daughter | — | New York |
| 92 | Joseph Randall | 45 | Head | Clerk | New York |
| 93 | Sarah Randall | 45 | Wife | — | New York |
| 94 | Arthur Randall | 15 | Son | — | New York |
| 95 | James Randall | 13 | Son | — | New York |
| 96 | Dorothy Randall | 11 | Daughter | — | New York |
| 97 | William Randall | 9 | Son | — | New York |
| 98 | Catherine Randall | 7 | Daughter | — | New York |
| 99 | Josephine Randall | 5 | Daughter | — | New York |
| 100 | Mary Randall | 3 | Daughter | — | New York |
Related Census Records
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)