Noted in 1910 Federal Census: Plaquemines Parish, Louisiana -- Roll T624/526, Image #267, Enumeration District #56, Ward #8, Sheet #22B, House #339, Family #339, enumerated April 26, 1910, by J. Russell Grimshaw.
| House # | Family # | Name and Surname | Relation | Gender | Age | Condition | Years | Children | Living | Where Born | Father Born | Mother Born | Occupation |
| 339 | 339 | Francis F. Fernandez | Head | Male | 43 | Married | 23 | Louisiana | Spain | Louisiana | Druggist - Retail Meds | ||
| 339 | 339 | Effie Fernandez | Wife | Female | 42 | Married | 23 | 1 | 0 | Louisiana | New York | Louisiana |