RH
Ruth Hamilton — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Frederick, Maryland
Our Model Tree links this Ruth Hamilton across the 1920 and 1930 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 7-person household.
Age 12
b. ~1918
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Frederick, Maryland |
| Surname | Hamilton |
| Given Name | Ruth A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Frederick City |
| Est. Birth Year | ~1918 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Mildred Hamilton | Daughter | — | 21 | ~1909 |
| Maud Hamilton | Daughter | — | 23 | ~1907 |
| Jane Hamilton | Daughter | — | 11 | ~1919 |
| Della Hamilton | Spouse | — | 53 | ~1877 |
| Ruth Hamilton | Daughter | — | 12 | ~1918 |
| Helen Hamilton | Daughter | — | 18 | ~1912 |
| George Hamilton | Head | — | 56 | ~1874 |
Census Appearances
1920
Frederick, Maryland
Daughter, age 3
Frederick, Maryland · implied b. ~1917 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Daughter, age 12
Frederick, Maryland · implied b. ~1918 — 7 household members
| Surname | Hamilton |
| Given Name | Ruth A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Ruth Hamilton across 2 US Census years (1920 and 1930) in Frederick, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Hamilton
Daughter · 1930 · age 12 · b. ~1918 · Maryland
★ You are viewing this record
Sibling
Maud Hamilton
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Hamilton
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Hamilton
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Hamilton
Sibling · 1930 · age 18
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 — Frederick, Maryland
Open full size
1930 US Federal Census — Frederick, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus874unit:0232)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John P. Klusner | 24 | Boarder | Deliveryman | Maryland |
| 2 | Raymond S. Goodsell | 31 | Head | Laborer | Maryland |
| 3 | Mary V. Goodsell | 30 | Wife | — | Pennsylvania |
| 4 | Paul T. Goodsell | 5 | Son | — | Maryland |
| 5 | Walter G. Schuldt | 10 | Step son | — | Pennsylvania |
| 6 | George W. Hamilton | 56 | Head | Stone Cutter | Maryland |
| 7 | Della M. Hamilton | 53 | Wife | — | Maryland |
| 8 | Maud O. Hamilton | 23 | Daughter | Seamstress | Maryland |
| 9 | Mildred V. Hamilton | 21 | Daughter | Saleswoman | Maryland |
| 10 | Helen L. Hamilton | 18 | Daughter | Bookkeeper | Maryland |
| 11 | Ruth A. Hamilton THIS PERSON | 12 | Daughter | — | Maryland |
| 12 | Jane Hamilton | 11 | Daughter | — | Maryland |
| 13 | William H. Steinhauer | 54 | Head | Manager | Indiana |
| 14 | Amanda Steinhauer | 57 | Wife | — | Denmark |
| 15 | Jacob L. Wilhelmsen | 30 | Boarder | Inspector | Wisconsin |
| 16 | Opal S. Wilhelmsen | 26 | Daughter | — | Missouri |
| 17 | Hugh S. Wilhelmsen | 2 | Son | — | Maryland |
| 18 | John M. Wilhelmsen | 0 | Daughter | — | Maryland |
| 19 | Bertha M. Nielsen | 79 | Mother-in-law | — | Denmark |
| 20 | Roy Knull | 42 | Head | Tailor | Maryland |
| 21 | Annie J. Knull | 41 | Wife | — | Maryland |
| 22 | Harry L. Myers | 55 | Head | — | Maryland |
| 23 | Ella M. Myers | 53 | Wife | — | Virginia |
| 24 | Edna P. Myers | 29 | Daughter | Seamstress | Maryland |
| 25 | Robert C. Myers | 25 | Son | Attendant | Maryland |
| 26 | Phillip Myers | 22 | Son | Truck Driver | Maryland |
| 27 | Ella M. Myers | 20 | Daughter | — | Maryland |
| 28 | Margaret E. Myers | 16 | Daughter | — | Maryland |
| 29 | Rodger L. Myers | 14 | Son | — | Maryland |
| 30 | Conway W. Beasley | 28 | Head | Salesman | Maryland |
| 31 | Mary J. Beasley | 30 | Wife | — | Maryland |
| 32 | Elizabeth J. Beasley | 5 | Daughter | — | Maryland |
| 33 | Charles J. Reifer | 44 | Head | Plumber | Maryland |
| 34 | Jessie A. Reifer | 40 | Wife | — | Maryland |
| 35 | Charles M. Reifer | 20 | Son | Plumber | Maryland |
| 36 | Margaret V. Reifer | 17 | Daughter | — | Maryland |
| 37 | Richard W. Reifer | 10 | Son | — | Maryland |
| 38 | George P. Reifer | 62 | Brother | — | Maryland |
| 39 | Daniel T. Surnsley | 26 | Head | Machinist | Maryland |
| 40 | Annette M. Surnsley | 30 | Wife | — | Maryland |
| 41 | William T. Surnsley | 18 | Son | — | Maryland |
| 42 | Ruby M. Surnsley | 10 | Daughter | — | Maryland |
| 43 | Daniel C. Surnsley | 5 | Son | — | Maryland |
| 44 | John E. Surnsley | 2 | Son | — | Maryland |
| 45 | Harry B. Fout | 25 | Head | Truck Driver | Maryland |
| 46 | Grace M. Fout | 24 | Wife | — | Maryland |
| 47 | Harry B. Jr. Fout | 5 | Son | — | Maryland |
| 48 | Herbert S. Schoeder | 34 | Head | Salesman | Maryland |
| 49 | Hazel O. Schoeder | 28 | Wife | Operator | Maryland |
| 50 | Dorothy M. Schoeder | 7 | Daughter | — | Maryland |
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)