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George Harmon — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this George Harmon across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 7-person household.
Age 9
b. ~1921
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Harmon |
| Given Name | George M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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 | Baltimore City |
| Est. Birth Year | ~1921 |
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 George | Age | Birth yr |
|---|---|---|---|---|
| Claude Harmon | Son | — | 4 | ~1926 |
| Elsie Harmon | Daughter | — | 12 | ~1918 |
| Earl Harmon | Son | — | 14 | ~1916 |
| George Harmon | Son | — | 9 | ~1921 |
| Ferdinand Harmon | Head | — | 42 | ~1888 |
| Leroy Harmon | Son | — | 7 | ~1923 |
| Sylvia Harmon | Spouse | — | 34 | ~1896 |
Census Appearances
1930
Baltimore, Maryland
Son, age 9
Baltimore, Maryland · implied b. ~1921 — 7 household members
| Surname | Harmon |
| Given Name | George M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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 |
1940
Baltimore-City-County, Maryland
Son, age 19
Baltimore-City-County, Maryland · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | Gordon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Messenger |
| Industry | Western Union |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 500 |
| Highest Grade | No 8 |
| 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 George Harmon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
George Harmon
Son · 1930 · age 9 · b. ~1921 · Maryland
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Sibling
Elsie Harmon
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Harmon
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claude Harmon
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Harmon
Sibling · 1930 · age 7
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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
39 people indexed on this census page (ia:1930:15thcensus857unit:0131)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph E. Mullains | 43 | Head | Book-Keeper | Maryland |
| 52 | Mary V. Mullains | 49 | Wife | — | Maryland |
| 53 | Patti Mullains | 2 | Granddaughter | — | Maryland |
| 54 | Ferdinand Harmon | 42 | Head | Laborer | Maryland |
| 55 | Sylvia C. Harmon | 34 | Wife | — | Maryland |
| 56 | Earl F. Harmon | 14 | Son | — | Maryland |
| 57 | Elsie G. Harmon | 12 | Daughter | — | Maryland |
| 58 | George M. Harmon THIS PERSON | 9 | Son | — | Maryland |
| 59 | Leroy E. Harmon | 7 | Son | — | Maryland |
| 60 | Claude B. Harmon | 4 | Son | — | Maryland |
| 61 | James G. Allison | 53 | Head | Laborer | Maryland |
| 62 | Russell C. Allison | 22 | Son | Salesman | Maryland |
| 63 | Ethel M. Allison | 11 | Daughter | — | Maryland |
| 64 | Herbert G. Hetrick | 38 | Head | — | Maryland |
| 65 | Agnes Hetrick | 38 | Wife | — | Maryland |
| 66 | Herbert Hetrick | 20 | Son | Supervisor | Maryland |
| 67 | Estelle M. Hetrick | 14 | Daughter | — | Maryland |
| 68 | Leroy M. Hetrick | 10 | Son | — | Maryland |
| 69 | Evelyn M. Hetrick | 8 | Daughter | — | Maryland |
| 70 | Eileen A. Hetrick | 5 | Daughter | — | Maryland |
| 71 | Ruth V. Hetrick | 4 | Daughter | — | Maryland |
| 72 | John C. Hetrick | 2 | Son | — | Maryland |
| 73 | James E. Redmond | 73 | Head | — | Virginia |
| 74 | Mary E. Redmond | 57 | Wife | Sweeper | Maryland |
| 75 | Clarence E. Redmond | 26 | Son | Errand Boy | Maryland |
| 76 | Beatrice E. Redmond | 16 | Daughter | Examiner | District of Columbia |
| 77 | Edward J. Carter | 15 | Grand-son | Office-Boy | Maryland |
| 78 | Grace Harris | 57 | Head | Janitress | Maryland |
| 79 | John A. Beck | 38 | Son-in-law | Molder | Maryland |
| 80 | Lillian M. Beck | 30 | Daughter | — | Maryland |
| 81 | Catherine E. Harris | 22 | Daughter | Supervisor | Maryland |
| 82 | Doris V. Beck | 10 | Grand-daughter | — | Maryland |
| 83 | Jean C. Beck | 4 | Grand-daughter | — | Maryland |
| 84 | Howard R. Wheatley | 40 | Head | Meter-Reader | Maryland |
| 85 | Sallie M. Wheatley | 39 | Wife | — | Maryland |
| 86 | Margaret E. Wheatley | 15 | Daughter | File Clerk | Maryland |
| 87 | Harry H. Wheatley | 17 | Son | Helper | Maryland |
| 88 | Howard R. Wheatley | 11 | Son | — | Maryland |
| 89 | George A. Reier | 35 | Boarder | Inspector | 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)