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Margaret Mcdermott — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Woodbury, Iowa
Our Model Tree links this Margaret Mcdermott across the 1930 and 1940 US Censuses in Woodbury, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 9-person household.
Age 11
b. ~1919
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Woodbury, Iowa |
| Surname | McDermott |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Miller Twp |
| Est. Birth Year | ~1919 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Edward Mcdermott | Head | — | 53 | ~1877 |
| Mary Mcdermott | Daughter | — | 14 | ~1916 |
| Bernard Mcdermott | Son | — | 21 | ~1909 |
| Margaret Mcdermott | Daughter | — | 11 | ~1919 |
| Lucille Mcdermott | Daughter | — | 9 | ~1921 |
| Francis Mcdermott | Son | — | 12 | ~1918 |
| Teresa Mcdermott | Daughter | — | 6 | ~1924 |
| Anna Mcdermott | Spouse | — | 43 | ~1887 |
| Loretta Mcdermott | Daughter | — | 16 | ~1914 |
Census Appearances
1930
Woodbury, Iowa
Daughter, age 11
Woodbury, Iowa · implied b. ~1919 — 9 household members
| Surname | McDermott |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Daughter, age 21
Woodbury-County, Iowa · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | Mary Florine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Smithland town |
| 1935 Residence (County) | Woodbury |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| 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 Margaret Mcdermott across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Mcdermott
Daughter · 1930 · age 11 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Loretta Mcdermott
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcdermott
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Mcdermott
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mcdermott
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Teresa Mcdermott
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Mcdermott
Sibling · 1930 · age 9
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 — Woodbury, Iowa
Open full size
1930 US Federal Census — Woodbury, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel689:0264)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William H. Butler | 60 | Head | Farmer | Iowa |
| 2 | Ora C. Butler | 58 | Wife | — | Iowa |
| 3 | William H. Jr. Butler | 25 | Son | Farm Hand | Iowa |
| 4 | Bernice Butler | 19 | Wife-H | — | Iowa |
| 5 | Howard L. Hall | 21 | Head | Farm Hand | Pennsylvania |
| 6 | Doris M. Hall | 21 | Wife | — | Iowa |
| 7 | Joyce C. Hall | 2 | Daughter | — | Iowa |
| 8 | William H. O'Connell | 33 | Head | Farmer | Iowa |
| 9 | Lena O'Connell | 32 | Wife | — | Iowa |
| 10 | Dorothy L. O'Connell | 6 | Daughter | — | Iowa |
| 11 | Edward W. O'Connell | 5 | Son | — | Iowa |
| 12 | Mary B. O'Connell | 4 | Daughter | — | Iowa |
| 13 | Lois Ann O'Connell | 1 | Daughter | — | Iowa |
| 14 | Henry H. Mildenstein | 40 | Head | Farmer | Germany |
| 15 | Marie M. Mildenstein | 33 | Wife | — | Illinois |
| 16 | Valdrene Mildenstein | 14 | Daughter | — | Iowa |
| 17 | Albert H. Mildenstein | 13 | Son | — | Iowa |
| 18 | Ethel L. Mildenstein | 11 | Daughter | — | Iowa |
| 19 | Gilbert E. Mildenstein | 7 | Son | — | Iowa |
| 20 | Brennan Mulligan | 19 | Hired Hand | Farm Hand | Missouri |
| 21 | Jens Hansen | 68 | Head | Farmer | Denmark |
| 22 | Ada Hansen | 50 | Wife | — | Iowa |
| 23 | Fred Hansen | 30 | Son | Farm Hand | Iowa |
| 24 | Harry Hansen | 23 | Son | Farm Hand | Iowa |
| 25 | Walter Hansen | 20 | Son | Farm Hand | Iowa |
| 26 | Andrew J. Haltom | 29 | Head | Farmer | Kansas |
| 27 | Cora A. Haltom | 30 | Wife | — | Missouri |
| 28 | Phyllis J. Haltom | 6 | Daughter | — | Missouri |
| 29 | Loren J. Haltom | 4 | Son | — | Missouri |
| 30 | Mary L. Haltom | 1 | Daughter | — | Missouri |
| 31 | Jack A. Haltom | 0 | Son | — | Iowa |
| 32 | Albert Haltom | 20 | Brother | Farm Hand | Kansas |
| 33 | Albert H. Vaughn | 42 | Head | Farmer | Illinois |
| 34 | Mable K. Vaughn | 40 | Wife | — | Iowa |
| 35 | Dorothy M. Vaughn | 11 | Daughter | — | Iowa |
| 36 | Walter H. Vaughn | 5 | Son | — | Iowa |
| 37 | Harold A. Vaughn | 2 | Son | — | Iowa |
| 38 | Edward R. Mcdermott | 53 | Head | Farmer | Wisconsin |
| 39 | Anna T. Mcdermott | 43 | Wife | — | Iowa |
| 40 | Bernard P. Mcdermott | 21 | Son | Farm Hand | Iowa |
| 41 | Loretta A. Mcdermott | 16 | Daughter | — | Iowa |
| 42 | Mary C. Mcdermott | 14 | Daughter | — | Iowa |
| 43 | Francis H. Mcdermott | 12 | Son | — | Iowa |
| 44 | Margaret L. Mcdermott THIS PERSON | 11 | Daughter | — | Iowa |
| 45 | Lucille L. Mcdermott | 9 | Daughter | — | Iowa |
| 46 | Teresa J. Mcdermott | 6 | Daughter | — | Iowa |
| 47 | Arthur W. Poon | 27 | Head | Truck Driver | Iowa |
| 48 | Verna L. Poon | 21 | Wife | — | Iowa |
| 49 | Arthur L. Poon | 4 | Son | — | Iowa |
| 50 | Willis D. Poon | 3 | Son | — | Iowa |
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)