TM
Thomas Mccormick — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lucas, Iowa
Our Model Tree links this Thomas Mccormick across the 1920 and 1930 US Censuses in Lucas, Iowa (XGBoost, ~Confirmed) — first a son (b.~1911), then head of a 21-person household.
Age 19
b. ~1911
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lucas, Iowa |
| Surname | McCormick |
| Given Name | Thomas N |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Liberty Township |
| Est. Birth Year | ~1911 |
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.
21 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| James Mccormick | Son | — | 4 | ~1926 |
| George Clark | Head | — | 56 | ~1874 |
| Joseph Nickelson | Son | — | 26 | ~1904 |
| Elzora Mccormick | Daughter | — | 16 | ~1914 |
| James Mccormick | Other | — | 50 | ~1880 |
| Keith Mccormick | Son | — | 13 | ~1917 |
| Beulah Mccormick | Daughter | — | 23 | ~1907 |
| Gerald Mccormick | Son | — | ~1930 | |
| Clarisa Nickelson | Spouse | — | 48 | ~1882 |
| Georgia Clark | Spouse | — | 54 | ~1876 |
| Olive Cumpston | Spouse | — | 59 | ~1871 |
| Richard Nickelson | Other | — | 57 | ~1873 |
| Adeline Mccormick | Daughter | — | 8 | ~1922 |
| Madene Mccormick | Daughter | — | 18 | ~1912 |
| Leola Mccormick | Daughter | — | 21 | ~1909 |
| Lois Mccormick | Daughter | — | 7 | ~1923 |
| Thomas Mccormick | Son | — | 19 | ~1911 |
| Eulalia Mccormick | Daughter | — | 12 | ~1918 |
| Abraham Cumpston | Other | — | 63 | ~1867 |
| Nora Mccormick | Spouse | — | 48 | ~1882 |
| Kenneth Mccormick | Son | — | 10 | ~1920 |
Census Appearances
1920
Lucas, Iowa
Son, age 9
Lucas, Iowa · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Mother Tongue | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Lucas, Iowa
Son, age 19
Lucas, Iowa · implied b. ~1911 — 21 household members
| Surname | McCormick |
| Given Name | Thomas N |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Thomas Mccormick across 2 US Census years (1920 and 1930) in Lucas, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Mccormick
Son · 1930 · age 19 · b. ~1911 · Iowa
★ You are viewing this record
Sibling
Joseph Nickelson
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mccormick
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Keith Mccormick
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leola Mccormick
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eulalia Mccormick
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beulah Mccormick
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elzora Mccormick
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Mccormick
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madene Mccormick
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Mccormick
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Mccormick
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adeline Mccormick
Sibling · 1930 · age 8
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 — Lucas, Iowa
Open full size
1930 US Federal Census — Lucas, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel666:0460)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Offenburger | 50 | Head | Farm Manager | Illinois |
| 2 | Myrtle Offenburger | 50 | Wife | — | Kansas |
| 3 | Neil H Offenburger | 18 | Son | — | Iowa |
| 4 | Sylva F Offenburger | 16 | Daughter | — | Iowa |
| 5 | Leo E Offenburger | 13 | Son | — | Iowa |
| 6 | Louis E Dillman | 34 | Head | Farmer | Iowa |
| 7 | Olive J Dillman | 30 | Wife | — | Illinois |
| 8 | Allen E Moon | 51 | O | Farmer | Nebraska |
| 9 | Verna M Moon | 57 | Wife | — | Iowa |
| 10 | Doyle W Moon | 12 | Son | — | Iowa |
| 11 | Ray R Nickelson | 27 | Head | Farmer | Iowa |
| 12 | Nida M Nickelson | 25 | Wife | — | Iowa |
| 13 | Lyle O Nickelson | 2 | Son | — | Iowa |
| 14 | James O Koutsinger | 35 | Head | Farmer | Iowa |
| 15 | Anna Koutsinger | 24 | Wife | — | Iowa |
| 16 | Clyde E Shupe | 37 | R | Farmer | Iowa |
| 17 | Laura E Shupe | 33 | Wife | — | Iowa |
| 18 | Norval E Shupe | 12 | Son | — | Iowa |
| 19 | Laura I Shupe | 10 | Daughter | — | Iowa |
| 20 | Russel G Shupe | 8 | Son | — | Iowa |
| 21 | Betty L Shupe | 3 | Daughter | — | Iowa |
| 22 | Parmer S Mitchell | 39 | R | Farmer | Iowa |
| 23 | Nora V Mitchell | 36 | Wife | — | Iowa |
| 24 | Iva M Mitchell | 15 | Daughter | — | Iowa |
| 25 | Neal F Mitchell | 14 | Son | — | Iowa |
| 26 | Nile V Mitchell | 2 | Son | — | Iowa |
| 27 | George O Clark | 56 | Head | Farmer | Iowa |
| 28 | Georgia A Clark | 54 | Wife | — | Kentucky |
| 29 | Abraham Cumpston | 63 | D | Farmer | Ohio |
| 30 | Olive B Cumpston | 59 | Wife | — | Iowa |
| 31 | James C Mccormick | 50 | O | Farmer | Iowa |
| 32 | Nora M Mccormick | 48 | Wife | — | Iowa |
| 33 | Beulah I Mccormick | 23 | Daughter | Teacher | Iowa |
| 34 | Leola R Mccormick | 21 | Daughter | Teacher | Iowa |
| 35 | Thomas N Mccormick THIS PERSON | 19 | Son | — | Iowa |
| 36 | Madene M Mccormick | 18 | Daughter | — | Colorado |
| 37 | Elzora M Mccormick | 16 | Daughter | — | Iowa |
| 38 | Keith O Mccormick | 13 | Son | — | Iowa |
| 39 | Eulalia M Mccormick | 12 | Daughter | — | Iowa |
| 40 | Kenneth C Mccormick | 10 | Son | — | Iowa |
| 41 | Adeline R Mccormick | 8 | Daughter | — | Iowa |
| 42 | Lois E Mccormick | 7 | Daughter | — | Iowa |
| 43 | James Jr. Mccormick | 4 | Son | — | Iowa |
| 44 | Gerald B Mccormick | 0 | Son | — | Iowa |
| 45 | Richard R Nickelson | 57 | O | Farmer | Iowa |
| 46 | Clarisa J Nickelson | 48 | Wife | — | Iowa |
| 47 | Joseph F Nickelson | 26 | Son | Farmer | Iowa |
| 48 | Almeta R James | 70 | Head-H | Farmer | Iowa |
| 49 | Elmer C Callahan | 60 | R | Farmer | Iowa |
| 50 | Adda D Callahan | 53 | Wife | — | Iowa |
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)