Familia: Juan José Cavanagh Gaynor / Luisa MacKeon Gahan (F3149)
c. 19 Jul 1899Eduardo Cavanagh Byrne (1834-1917) 
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 | Margarita Gaynor Wallace (1842-1908)
|
 | Ana Cavanagh Gaynor (1861-1948)  |
| Eduardo J. Cavanagh Gaynor (1865-1932) |
 | María Alicia Cavanagh Gaynor (1867-1955) |
| Margarita Cavanagh Gaynor (1869- ) |
| Elena Cavanagh Gaynor (1871-1945) |
| Santiago Pablo Cavanagh Gaynor (1873-1949) |
| Juana María Cavanagh Gaynor (1875-1978) |
 | Tomás Cavanagh Gaynor (1877-1920) |
| José Cavanagh Gaynor (1880-1957) |
| Michael Richard Mackeon O'Reilly (1836-1909)
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 | María Teresa Gahan Kearney (1844-1905)
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| Tomás J. MacKeon Gahan (1868- ) |
| Santiago Mackeon Gahan (1869- ) |
| María Ana Matilde MacKeon Gahan (1872- ) |
| Elena Georgina MacKeon Gahan (1878- ) |
| Josefina MacKeon Gahan (1882- ) |
| Isabel Mackeon Gahan (1885- ) |
| Eugenio Jorge MacKeon Gahan (1889-1928) |
 | Juan José Cavanagh Gaynor (1858-1940)
|
| Luisa MacKeon Gahan (1876-1950)
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| Luisa Juana Cavanagh MacKeon (1903-1969) |
| Patricia Eileen Cavanagh MacKeon (1921-1990) |
| María Isabel Cavanagh MacKeon (1900-1983) |
 | Margarita María Cavanagh MacKeon (1901-1994) |
| Josefina Cavanagh MacKeon (1906-1986) |
| Eva Cavanagh MacKeon (1907-1976) |
 | Cora Cavanagh MacKeon (1910-1997) |
| Juan Luis Cavanagh MacKeon (1912-2007) |