Does the name change usually delay the oath by more than 4 months?

[acsmith1972]

Oath Ceremony Will Be Scheduled	April 26, 2021
We recommended that your Form N-400, Application for Naturalization, be approved. Your case was submitted for quality review.	April 26, 2021
We scheduled an interview for your Form N-400, Application for Naturalization.	March 25, 2021
We are actively reviewing your Form N-400, Application for Naturalization. Our records showed nothing is outstanding at this time.	November 25, 2020
We scheduled you for a biometrics appointment	October 31, 2020
We received your Form N-400, Application for Naturalization, and mailed you a receipt notice.	September 28, 2020

[acsmith1972]

It's for my wife.

[Combasi]

That might be the case, I don't know for sure, but based on your posting, it's becoming apparent to me now.
Below are the timelines.

Oath Ceremony Will Be Scheduled	July 20, 2021
We recommended that your Form N-400, Application for Naturalization, be approved. Your case was submitted for quality review.	July 20, 2021
We are actively reviewing your Form N-400, Application for Naturalization. Our records showed nothing was outstanding at this time.	July 20, 2021

Where is your field office?

Any updates since you last posted this?