Show ContentsDiniz History, Family Crest & Coats of Arms

A variety of distinguished and notable names have emerged from the beautiful and historical Italian region of Tuscany, including the notable surname Diniz. During the Middle Ages, as populations grew and travel between regions became more frequent, the people of Tuscany, who were originally known only by a single name, found it necessary to adopt a second name to identify themselves and their families. This process of adopting fixed hereditary surnames in Italy began in the 10th and 11th centuries, but it was not completed until the modern era. The development of Italian hereditary surnames followed general principles and were characterized by derivatives from one's given name. The patronymic surname, which is derived from the father's given name, was one of the most common name types found in the region of Tuscany. This system of name-making was widely used because it linked well with the existing Feudal System and during the Christian era, many people named their children after saints and biblical figures. The surname Diniz came from the name Dino, which is in turn a pet form of many personal names with the ending "dino" or "dini."

Early Origins of the Diniz family

The surname Diniz was first found in Florence (Italian: Firenze), where records date back to the year 1283, when Taddeo Dini dedicated his life to the Catholic Church.

Early History of the Diniz family

This web page shows only a small excerpt of our Diniz research. The years 1621, 1625, 1670 and 1700 are included under the topic Early Diniz History in all our PDF Extended History products and printed products wherever possible.

Diniz Spelling Variations

Italian surnames have a surprising number of forms in comparison with other European surnames because they reflect the regional variations and the many dialects of the Italian language, each of which has its distinctive features. For example, in Northern Italy the most standard Italian surname suffix is "I", whereas in Southern Italy the most typical surname suffix is "O". Sardinian is very different from other forms of Italian and in fact, it is considered to be its own distinct language. Additionally, spelling changes frequently occurred because medieval scribes, church officials, and the bearers of names, spelled names as they sounded rather than according to any specific spelling rules. As a consequence of the major changes in the Italian language and in the local spellings of Italian surnames that occurred over the course of history, there are numerous variations for the surname Diniz. These spelling variations include Dini, Dino, Dinelli, Dinello, and Dinissiaco. and others.

Early Notables of the Diniz family

Prominent among members of the family was Giovanni Dini, a Florentine politician during the 14th century. Pietro Dini was an ecclesiastic in Florence during the 16th century; Pietro di Agostino Dini...
Another 31 words (2 lines of text) are included under the topic Early Diniz Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the Diniz family

Amongst the settlers in North America with this distinguished name Diniz were Abdo Dini, who arrived at Ellis Island from Saidneya, Turkey in 1914; Alberto Dini, aged 42, who arrived at Ellis Island in 1892; and Cemira Dini, aged 43, who arrived at Ellis Island in 1895..


Contemporary Notables of the name Diniz (post 1700) +

  • Jacinto F. Diniz (1888-1949), American politician and businessman, Member of the Massachusetts House of Representatives (1943-1949)
  • Jacinto F. Diniz (1887-1949), American Democratic Party politician, Member of Massachusetts State House of Representatives, 1940-48; Candidate for U.S. Representative from Massachusetts 9th District, 1947, 1948 1
  • Abilio dos Santos Diniz (1936-2024), Brazilian businessman
  • Yohann Diniz, French race walker, current world-record holder for the 50 km race
  • Priscillo Diniz, Brazilian PGA golfer from São Paulo
  • Pedro Diniz, Brazilian businessman and former racing driver
  • Paulo Roberto Diniz Jr., Brazilian bass guitarist for Jota Quest, a Brazilian pop rock band
  • Mauro Diniz, Brazilian cavaquinist and singer
  • Alex Correia Diniz, Brazilian professional racing cyclist for the Funvic/Soul Brasil Pro Cycling team
  • Abílio dos Santos Diniz, Brazilian businessman, Chairman of the board of directors of Península Participações, father of Pedro Diniz
  • ... (Another 1 notables are available in all our PDF Extended History products and printed products wherever possible.)


  1. The Political Graveyard: Alphabetical Name Index. (Retrieved 2015, December 11) . Retrieved from http://politicalgraveyard.com/alpha/index.html


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