Alderson
A patronymic surname meaning “son of Alder” or “son of Aldred,” with some early writers also reading it as “older son.”
The #5,664 most common surname in the United States (2010 Census) — about 1 in every 50,366 Americans shares it.
Etymology
Alderson is generally explained as a patronymic, built from the personal name Alder or Aldred plus the suffix -son. In older records and later surname studies, it is sometimes also connected with Aldus/Aldhouse-related forms, but the main sense is “son of Alder/Aldred.” A few scholars also suggested a literal interpretation along the lines of “older son,” though that is best treated as a secondary explanation rather than the main origin.
History
The surname appears in English records by the 16th century, including spellings such as Aldeso(n) and Alderson. It became established in northern and eastern England, and later spread more widely through Britain and into North America. The form is sometimes discussed alongside other surnames built from old personal names ending in -son.
Origin
Regions
Variant spellings
Fun fact
Some older surname writers noticed that Alderson can look like a phrase meaning “older son,” which helped keep the name memorable even though the usual explanation is patronymic.
From the historical record
“and still owned by them. ALDERSON. The son of , Alder or Aldred. The II. R. have, however, "fil' Aldith," Aldith's son. ALDINGTON, A par. in Kent, and a hamlet in 'Worcestershire. ALD IS. See Aldous. ALDOUS. ALDIiOUS. A local name; " the old house."”
— Patronymica Britannica: a dictionary of the family names of the United Kingdom