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Richard Ross — 1930 US Census Record
Model Tree available1930 United States Federal Census · Frederick, Maryland
Our Model Tree links this Richard Ross across the 1910, 1920 and 1930 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed), with identified parents Richard & Blanche — first a son (b.~1906), then head of a 3-person household.
Age 24
b. ~1906
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Frederick, Maryland |
| Surname | Ross |
| Given Name | Richard Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| 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 Part Of |
| Est. Birth Year | ~1906 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Blanche Ross | Head | — | 56 | ~1874 |
| Richard Ross | Spouse | — | 56 | ~1874 |
| Richard Ross | Son | — | 24 | ~1906 |
Census Appearances
1910
Frederick, Maryland
Son, age 4
Frederick, Maryland · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Richard Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Frederick, Maryland
Son, age 13
Frederick, Maryland · implied b. ~1907 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Richard S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Son, age 24
Frederick, Maryland · implied b. ~1906 — 3 household members
| Surname | Ross |
| Given Name | Richard Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| 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 Richard Ross across 3 US Census years (1910, 1920 and 1930) in Frederick, Maryland, using XGBoost record linkage. Identified parents: father Richard Ross (~0.92 confidence) and mother Blanche Ross (~0.92 confidence) and mother Blanche Ross (~0.92 confidence) and mother Nellie Ross (~0.92 confidence) and mother Alice Shryock (~0.81 confidence). The pedigree spans 2 generations with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.9
Father
Richard Ross
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Blanche Ross
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Blanche Ross
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Nellie Ross
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Alice Shryock
b. ~1847
Source mother>mother
● Household
· direct · ~0.81
This person
Anchor record
Richard Ross
Son · 1930 · age 24 · b. ~1906 · Maryland
★ You are viewing this record
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:0197)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Breckenridge Shaw | 69 | Head | — | Maryland |
| 52 | Sarah Shaw | 67 | Wife | — | Maryland |
| 53 | Sifford Mary Shaw | 62 | Boarder | — | Maryland |
| 54 | James Mcmullen | 59 | Head | Military Instructor | New York |
| 55 | Marion Mcmullen | 59 | Wife | — | Pennsylvania |
| 56 | James H. Mcmullen | 5 | Son | — | Pennsylvania |
| 57 | Burton Mcmullen | 3 | Son | — | Pennsylvania |
| 58 | Dorothy Mcmullen | 0 | Daughter | — | Maryland |
| 59 | Joseph H. Carty | 63 | Head | Vice Chairman | Maryland |
| 60 | Minnie Carty | 63 | Wife | — | Maryland |
| 61 | Virginia Carty | 36 | Daughter | Secretary | Maryland |
| 62 | Roberta Carty | 32 | Daughter | — | Maryland |
| 63 | Georgia Cromwell | 91 | Cousin | — | Maryland |
| 64 | Ira Ray | 34 | Head | Salesman | Maryland |
| 65 | Virginia Ray | 35 | Wife | — | Virginia |
| 66 | Robert Ray | 8 | Son | — | Maryland |
| 67 | Mary Sponseller | 72 | Head | — | Maryland |
| 68 | Mary Alexander | 18 | Granddaughter | — | Maryland |
| 69 | Florence Stine | 56 | Head | — | Maryland |
| 70 | Harry Seibert | 23 | Boarder | Stock Room Mgr | Maryland |
| 71 | Jennie Cartnail | 46 | Servant | Servant | Maryland |
| 72 | Ella Mccasner | 70 | Head | — | Maryland |
| 73 | Hazel Mccasner | 32 | Daughter | Secretary | Maryland |
| 74 | Charlotte Mccasner | 30 | Daughter | Bookkeeper | Maryland |
| 75 | Margaret Kent | 23 | Granddaughter | Teacher | Maryland |
| 76 | Amelia Magruder | 69 | Head | — | Maryland |
| 77 | Melissa Magruder | 76 | Sister | — | Maryland |
| 78 | Eleanor Magruder | 65 | Sister | — | Maryland |
| 79 | Agnesse Dutrow | 54 | Head | — | Iowa |
| 80 | Ruth Dutrow | 30 | Daughter | — | Maryland |
| 81 | Catharine Dutrow | 29 | Daughter | Librarian | Maryland |
| 82 | Nellie Cummings | 34 | Head | — | Maryland |
| 83 | John Cummings | 14 | Son | — | Maryland |
| 84 | Elizabeth Cummings | 9 | Daughter | — | Maryland |
| 85 | James Cummings | 4 | Son | — | Maryland |
| 86 | Isabella Cummings | 15 | Sister-in-law | Worker | Maryland |
| 87 | Helena Mills | 29 | Sister | Servant | Maryland |
| 88 | Helena Mills | 11 | Niece | — | Maryland |
| 89 | Paul Mosterg | 26 | Head | Assistant Manager | Maryland |
| 90 | Vivian Mosterg | 19 | Wife | — | Maryland |
| 91 | Thomas Eader | 69 | Head | Doctor | Maryland |
| 92 | Helen Johnson | 38 | Daughter | — | Maryland |
| 93 | Richard Johnson | 19 | Grandson | — | Maryland |
| 94 | Myrtle Flook | 31 | Servant | Servant | Maryland |
| 95 | Blanche Ross | 56 | Head | — | Maryland |
| 96 | Richard Ross | 56 | Husband | Lawyer | Maryland |
| 97 | Richard Jr. Ross THIS PERSON | 24 | Son | — | Maryland |
| 98 | Ernest Helfenstein | 61 | Head | Agent | Maryland |
| 99 | Mary Helfenstein | 58 | Wife | — | Maryland |
| 100 | Grace Helfenstein | 29 | Daughter | Secretary | Maryland |
Related Census Records
Pedigree Summary
Richard
Gen 1 · 4 parents
~0.92
Gen 2 · 1 grandparents
~0.81
Max depth 4 (1900–1950 window)
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)