4,528 documented Williams ancestors, drawn from public records such as death indexes and county histories. Every name below is a real person in the public record.
4,528Documented ancestors
1671Earliest record
14Generations
The name
Origin & meaning of Williams
'Son of William' (Germanic 'will' + 'helmet'); one of the most common surnames in Wales and England.
Where the records place them: Iowa (99%), out of 4,500 Williams records with a known place.
The most common first names among them: John, Robert, Mary, James and Charles.
Of the 4,486 with both a birth and a death year, the median lifespan was 77 years.
The earliest recorded birth is Ann Williams, born 1671.
Documented Williams families on this page come from History of Boone County, Iowa, Biographical Record of Huron County, Ohio and Portrait and Biographical Record of Portage County, Ohio.
Documented families
Williams families we’ve reconstructed
Real Williams family groups pieced together from the public record — parents, spouse, and children, each with the source that proves it. Recognize your line? Tap a family and we’ll start your documented tree from it.
Sarah Williams1831 – 1900
Monmouthshire, England → Ottumwa, Wapello County, Iowa
Sarah Williams⚭ Jacob Chilton
childrenJoseph Chilton · Solomon Chilton · Albert Chilton · Fannie M. Chilton · Charles Chilton · George Chilton · Clara C. Chilton · Mary C. Chilton
Found your Williams? We trace the whole line — both sides, back to the documented wall — into a written book & interactive family site. No DNA test; a free call before you spend a dollar.
Common questions
Williams genealogy — FAQ
Where does the Williams surname come from?
'Son of William' (Germanic 'will' + 'helmet'); one of the most common surnames in Wales and England.
How far back does the Williams family tree go?
The documented line here reaches back to 1671. Most Williams lines can be traced to the end of the surviving public record.
Are living Williams family members listed here?
No. Deceased ancestors only, from public records. Living people are excluded for privacy.
Is this my Williams family?
If a name here matches your family, it may well be. A full documented build confirms exactly how your line connects.