MP
Mary Power — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Scott, Iowa
Our Model Tree links this Mary Power across the 1920 and 1930 US Censuses in Scott, Iowa (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 8-person household.
Age 50
b. ~1880
Female
Head
Born: Germany
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Scott, Iowa |
| Surname | Power |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Age at First Marriage | 21 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Manager |
| Industry | Coal Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Home Value / Rent | 8000 |
| Radio Set | R |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Occupation | Manager |
| Township / Ward | Davenport City |
| Est. Birth Year | ~1880 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edmund Power | Son | — | 24 | ~1906 |
| Mary Power | Head | — | 50 | ~1880 |
| James Power | Son | — | 15 | ~1915 |
| Gertrude Power | Daughter | — | 17 | ~1913 |
| Michael Power | Son | — | 22 | ~1908 |
| William Power | Son | — | 18 | ~1912 |
| Marguerite Power | Daughter | — | 28 | ~1902 |
| Philip Power | Son | — | 20 | ~1910 |
Census Appearances
1920
Scott, Iowa
Head, age 40
Scott, Iowa · implied b. ~1880 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | Mary C |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Merchant |
| Industry | Coal Co |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Germany |
| Year of Naturalization | 1891 |
| Birthplace (normalized) | germany |
1930
Scott, Iowa
Head, age 50
Scott, Iowa · implied b. ~1880 — 8 household members
| Surname | Power |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Age at First Marriage | 21 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Manager |
| Industry | Coal Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Home Value / Rent | 8000 |
| Radio Set | R |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Mary Power across 2 US Census years (1920 and 1930) in Scott, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Power
Head · 1930 · age 50 · b. ~1880 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Scott, Iowa
Open full size
1930 US Federal Census — Scott, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel681:0653)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank Jones | 35 | Head | Carpenter | England |
| 52 | Elsie Jones | 30 | Wife-H | — | Iowa |
| 53 | Minnie R Jones | 11 | Daughter | — | Iowa |
| 54 | Frankie E Jones | 8 | Daughter | — | Iowa |
| 55 | William J Jones | 1 | Son | — | Iowa |
| 56 | Logan | 69 | Head | Janitor | Wisconsin |
| 57 | Catherine Swift | 63 | Sister-H | — | Wisconsin |
| 58 | A James | 25 | Nephew | Laborer | Iowa |
| 59 | Kathryn J James | 22 | Niece | Stenographer | Iowa |
| 60 | Bengeman Peterson | 55 | Head | Machinist | Illinois |
| 61 | Mary Peterson | 49 | Wife-H | — | Iowa |
| 62 | Christopher Polzin | 33 | Brother in law | Asst Engineer | Iowa |
| 63 | Amanda Randall | 72 | Head | — | Illinois |
| 64 | Doris L Randall | 30 | Daughter | Bookkeeper | Illinois |
| 65 | John M Welch | 32 | Head | Machinist | Illinois |
| 66 | Clara Welch | 30 | Wife-H | — | Illinois |
| 67 | Lyle C Welch | 12 | Son | — | Illinois |
| 68 | John J Welch | 11 | Son | — | Illinois |
| 69 | Mary A Power THIS PERSON | 50 | Head | Manager | Germany |
| 70 | Marguerite Power | 28 | Daughter | Bookkeeper | Iowa |
| 71 | Edmund Power | 24 | Son | Bookkeeper | Iowa |
| 72 | Michael P Power | 22 | Son | Salesman | Iowa |
| 73 | Philip D Power | 20 | Son | Truck Driver | Iowa |
| 74 | William L Power | 18 | Son | Press Assistant | Iowa |
| 75 | Gertrude Power | 17 | Daughter | — | Iowa |
| 76 | James Power | 15 | Son | — | Iowa |
| 77 | John M Power | 25 | Head | Coal Dealer | Iowa |
| 78 | Frances M Power | 19 | Wife-H | — | Iowa |
| 79 | Alfred Bauer | 33 | Head | Flagman | Iowa |
| 80 | Emma Bauer | 30 | Wife-H | — | Iowa |
| 81 | Edward B Bauer | 6 | Son | — | Iowa |
| 82 | Martin Linehan | 32 | Head | Switchman | Iowa |
| 83 | Margaret Linehan | 27 | Wife-H | — | Iowa |
| 84 | Margaret M Linehan | 1 | Daughter | — | Iowa |
| 85 | Malcolm J Doty | 24 | Head | Truck Driver | Iowa |
| 86 | Elsie Doty | 24 | Wife-H | — | Iowa |
| 87 | James Franklin | 33 | Head | Truck Driver | Missouri |
| 88 | Clara Franklin | 32 | Wife-H | — | Missouri |
| 89 | Junior N Franklin | 9 | Son | — | Missouri |
| 90 | Pauline F Franklin | 6 | Daughter | — | Missouri |
| 91 | William Paustian | 37 | Head | Car Washing | Iowa |
| 92 | Theresa Paustian | 37 | Wife-H | — | Iowa |
| 93 | Hyacinth Paustian | 18 | Daughter | Maid | Iowa |
| 94 | Lorraine Paustian | 16 | Daughter | Saleslady | Iowa |
| 95 | Otto R Vonahnen | 54 | Head | Laborer | Germany |
| 96 | Mallissa Vonahnen | 23 | Wife-H | — | Iowa |
| 97 | Georgia Vonahnen | 3 | Daughter | — | Iowa |
| 98 | Katherine Vonahnen | 2 | Daughter | — | Iowa |
| 99 | Arlon J Waldorff | 56 | Head | Moulder | Indiana |
| 100 | Adella Waldorff | 57 | Wife-H | — | 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)