Saad
A surname most often linked to Arabic roots meaning “happiness” or “good fortune.”
The #6,253 most common surname in the United States (2010 Census) — about 1 in every 56,536 Americans shares it.
Etymology
Saad is usually treated as an Arabic surname and given name based on the root related to happiness, luck, or success. In transliteration, it can reflect the name Saʿd, which literally carries the sense of being fortunate or blessed. In some families it may also be a shortened form of a longer Arabic name built on the same root.
History
The surname is found among Arabic-speaking communities and is also common in the wider diaspora. Because Arabic names are often transliterated in more than one way, the same family line may appear under several spellings in English-language records. The single excerpt provided does not add usable evidence for a different origin.
Origin
Regions
Variant spellings
Fun fact
The related Arabic root is widely used in personal names because it conveys a positive wish: happiness, prosperity, or good fortune.
From the historical record
“bach: ibid. ~ Gecm Hobe, of Wheelock (Saad- bach parish) : ibid. 1805. Married— Thomas Halse and Mary Pammenter: St. Geo. Han. Sq. ii.jPO.”
— A Dictionary of English and Welsh Surnames (alternate scan)