FR
Frank Ryan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Union-County, South Dakota
Our Model Tree links this Frank Ryan across the 1920, 1930 and 1940 US Censuses in Union-County, South Dakota (XGBoost, ~Confirmed), with identified parents Thomas & Bridget — first a son (b.~1884), then head of a 3-person household.
Age 56
b. ~1884
Male
Son
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, South Dakota |
| Surname | Ryan |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Elk Point Township |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Farmer |
| Township / Ward | Elk Point Township |
| Est. Birth Year | ~1884 |
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 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Bridget Ryan | Spouse | — | 83 | ~1857 |
| Thomas Ryan | Head | — | 84 | ~1856 |
| Frank Ryan | Son | — | 56 | ~1884 |
Census Appearances
1920
Union, South …
Son, age 30
Union, South Dakota · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Union, South …
Son, age 45
Union, South Dakota · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Union-County, South …
Son, age 56
Union-County, South Dakota · implied b. ~1884 — 3 household members
| Surname | Ryan |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Elk Point Township |
| 1935 Residence (County) | Union |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Frank Ryan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Ryan (~0.92 confidence) and mother Bridget Ryan (~0.92 confidence) and mother Bridget Ryan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Ryan
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Bridget Ryan
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Bridget Ryan
b. ~1858
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Ryan
Son · 1940 · age 56 · b. ~1884 · South Dakota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Union-County, South Dakota
Open full size
1940 US Federal Census — Union-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03869-00222)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert M Brown | 3 | Son | — | Iowa |
| 2 | Arnell O Nelson | 18 | Laborer | Laborer | Iowa |
| 3 | Robert Myart | 66 | Head | — | Tennessee |
| 4 | Margaret Myart | 61 | Wife | — | South Dakota |
| 5 | Lucy Norton | 80 | Mother in L | — | New York |
| 6 | Peter D Diond | 41 | Head | Farmer | Kansas |
| 7 | Bernadette Diond | 41 | Wife | — | Illinois |
| 8 | Herbert Diond | 19 | Son | Laborer | South Dakota |
| 9 | Phyllis Diond | 17 | Daughter | Housemaid | South Dakota |
| 10 | Richard Diond | 13 | Son | — | South Dakota |
| 11 | Claire Diond | 3 | Daughter | — | South Dakota |
| 12 | Thomas E Harrington | 59 | Head | Farmer | Iowa |
| 13 | Elizabeth Harrington | 56 | Wife | — | Iowa |
| 14 | Marjorie Harrington | 29 | Daughter | Clerk | South Dakota |
| 15 | Vincent Hildebrand | 17 | Laborer | Laborer | Iowa |
| 16 | Freeman Durham | 52 | Head | Farmer | South Dakota |
| 17 | Claire Durham | 46 | Wife | — | South Dakota |
| 18 | Paul Chartier | 72 | Laborer | Laborer | Canada French |
| 19 | Phillip S Chaussee | 64 | Head | Farmer | South Dakota |
| 20 | Nellie Chaussee | 59 | Wife | — | South Dakota |
| 21 | Vincent Chaussee | 30 | Son | Farmer | South Dakota |
| 22 | Thomas Ryan | 84 | Head | — | Pennsylvania |
| 23 | Bridget Ryan | 83 | Wife | — | Pennsylvania |
| 24 | Frank Ryan THIS PERSON | 56 | Son | Farmer | South Dakota |
| 25 | Elmer Twitchell | 43 | Head | Laborer | South Dakota |
| 26 | Marie Twitchell | 40 | Wife | — | South Dakota |
| 27 | Phyllis Twitchell | 13 | Daughter | — | South Dakota |
| 28 | Frances Twitchell | 12 | Daughter | — | South Dakota |
| 29 | Norval Twitchell | 10 | Son | — | South Dakota |
| 30 | Elaine Twitchell | 7 | Daughter | — | South Dakota |
| 31 | Almer Jr Twitchell | 5 | Son | — | South Dakota |
| 32 | Danny Twitchell | 4 | Son | — | South Dakota |
| 33 | Arnold Twitchell | 2 | Son | — | South Dakota |
| 34 | Josie Stetz | 65 | Head | — | Vermont |
| 35 | Wm Mcwilliam | 72 | Lodger | — | South Dakota |
| 36 | John J Hamon | 58 | Laborer | Laborer | Massachusetts |
| 37 | Charles Labrune | 43 | Head | — | South Dakota |
| 38 | Elizabeth Labrune | 43 | Wife | Farmer | South Dakota |
| 39 | Mary Louise Labrune | 9 | Daughter | — | South Dakota |
| 40 | Patricia Labrune | 8 | Daughter | — | South Dakota |
Pedigree Summary
Frank
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)