IS
Ida Smith — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Frederick, Maryland
Our Model Tree links this Ida Smith across the 1930 and 1940 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 13-person household.
Age 11
b. ~1919
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Frederick, Maryland |
| Surname | Smith |
| Given Name | Ida R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Woodsboro |
| 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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Mary Smith | Daughter | — | 18 | ~1912 |
| Helen Smith | Daughter | — | 18 | ~1912 |
| Amy Smith | Daughter | — | 16 | ~1914 |
| Ada Smith | Daughter | — | 5 | ~1925 |
| Grace Smith | Daughter | — | 14 | ~1916 |
| John Smith | Head | — | 45 | ~1885 |
| Albert Smith | Son | — | 19 | ~1911 |
| Ruth Smith | Son | — | 7 | ~1923 |
| J Smith | Son | — | 9 | ~1921 |
| Paul Smith | Son | — | 21 | ~1909 |
| Guy Smith | Son | — | 13 | ~1917 |
| Ida Smith | Son | — | 11 | ~1919 |
| Rose Smith | Spouse | — | 41 | ~1889 |
Census Appearances
1930
Frederick, Maryland
Son, age 11
Frederick, Maryland · implied b. ~1919 — 13 household members
| Surname | Smith |
| Given Name | Ida R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Son, age 21
Frederick-County, Maryland · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ira R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Walkersville |
| 1935 Residence (County) | Frederick |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 98 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Ida Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Smith
Son · 1930 · age 11 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Paul Smith
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Smith
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ada Smith
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Smith
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Smith
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Guy Smith
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amy Smith
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Smith
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Smith
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Smith
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:0720)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George W Gorman | 70 | Head | Farmer | Maryland |
| 2 | Etta R Gorman | 50 | Wife | — | Maryland |
| 3 | George H Gorman | 23 | Son | Laborer | Maryland |
| 4 | John G Gorman | 18 | Son | — | Maryland |
| 5 | Norman E Jones | 51 | Head | Laborer | Maryland |
| 6 | Helena U Jones | 22 | Wife | — | Maryland |
| 7 | Charles S Jones | 4 | Son | — | Maryland |
| 8 | Norman J Jones | 2 | Son | — | Maryland |
| 9 | Richard M Jones | 1 | Son | — | Maryland |
| 10 | George H Jones | 0 | Son | — | Maryland |
| 11 | Henry H Hacker | 27 | Head | Laborer | Maryland |
| 12 | Maude E Hacker | 25 | Wife | — | Maryland |
| 13 | John M Smith | 45 | Head | Farmer | Maryland |
| 14 | Rose G Smith | 41 | Wife | — | Maryland |
| 15 | Paul B Smith | 21 | Son | — | Maryland |
| 16 | Albert R Smith | 19 | Son | — | Maryland |
| 17 | Mary E Smith | 18 | Daughter | — | Maryland |
| 18 | Helen V Smith | 18 | Daughter | — | Maryland |
| 19 | Amy M Smith | 16 | Daughter | — | Maryland |
| 20 | Grace S Smith | 14 | Daughter | — | Maryland |
| 21 | Guy C Smith | 13 | Son | — | Maryland |
| 22 | Ida R Smith THIS PERSON | 11 | Son | — | Maryland |
| 23 | J Staley Smith | 9 | Son | — | Maryland |
| 24 | Ruth E Smith | 7 | Son | — | Maryland |
| 25 | Ada F Smith | 5 | Daughter | — | Maryland |
| 26 | James H Quick | 65 | Head | Laborer | Penn |
| 27 | Mary E Quick | 59 | Wife | — | Maryland |
| 28 | Frederick Quick | 37 | Son | Laborer | Maryland |
| 29 | George W Brooks | 64 | Head | Laborer | Maryland |
| 30 | C Ellen Brooks | 62 | Sister | Servant | Maryland |
| 31 | Philip M Mercer | 44 | Head | Farmer | Maryland |
| 32 | Mary A Mercer | 28 | Wife | — | Maryland |
| 33 | George W Engler | 58 | Head | Farmer | Maryland |
| 34 | Margaret E Engler | 51 | Wife | — | Maryland |
| 35 | Charles W Engler | 23 | Son | Laborer | Maryland |
| 36 | Ethel E Fogle | 23 | Daughter | Servant | Maryland |
| 37 | Pauline E Fogle | 3 | Granddaughter | — | Maryland |
| 38 | Keller Wolfe | 26 | Head | Laborer | Maryland |
| 39 | Dora S Wolfe | 23 | Wife | — | Maryland |
| 40 | Emma J Wolfe | 5 | Daughter | — | Maryland |
| 41 | Keller J B Wolfe | 2 | Son | — | Maryland |
| 42 | Silas A Kline | 67 | Head | Farmer | Maryland |
| 43 | Ella M Kline | 48 | Wife | — | Maryland |
| 44 | Ora S Kline | 22 | Son | — | Maryland |
| 45 | Georgetta D Kline | 7 | Daughter | — | Maryland |
| 46 | Richard L Kline | 5 | Son | — | Maryland |
| 47 | Anna S Kline | 3 | Daughter | — | Maryland |
| 48 | Ruth N Kline | 1 | Daughter | — | Maryland |
| 49 | William H Kline | 0 | Son | — | Maryland |
| 50 | Alice M Kline | 8 | Granddaughter | — | 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)