Joe

You gave no indication that you had census information:

1870-VA-Dinwiddie-District 2-Page 174A:

Mason, Collatinus 45 MB Farm Hand VA
Lucy 35 FB VA
John 12
Rebecca 10
Frank 6
Mary 4

On page 17B:

Mason, Millie 41 BF VA
William 2 BM VA
Johnson, Jesse 81 BM Farm Hand VA

1880-VA-Dinwiddie-Rowanty-T9 1362-Page 210A

Colloterus Mason Self M Male B 45 VA Baptist Preacher VA VA
Lucy Wife M Female B 35 VA Keeping House VA VA
John Son 17 Ast. On Farm
Rebecca Dau 16 At Home
Frank Son 14 Ast. On Farm
Polly Dau 12 At School
Roberta Dau 9
Willie W. Son 7
Robert Son 6
Lucy Dau 4
Nicholes Son 2

Obvious mistakes in ages.

1900-VA-Dindiddie-Rowanty-ED 25-Sheet 3B:

Mason, C W Head BM Oct 1828 71 M45 Farmer
Lucy Wife BF Dec 1837 62 M45 10-8(children born-living now)
Robert Son Jan 1872 28
Lucy Dau BF 1877 23

His sons and daughters may have ventured out to other counties and/or states. Have you any spouses for his children?

Hope this is useful.
Preston